Restorative Dentistry & Endodontics

Juhea Chang

15 Articles

Bonding of the silane containing multi-mode universal adhesive for lithium disilicate ceramics: Hyun-Young Lee, Geum-Jun Han, Juhea Chang, Ho-Hyun Son; Restor Dent Endod 2017;42(2):95-104. Published online January 25, 2017; DOI: https://doi.org/10.5395/rde.2017.42.2.95

Objectives

This study evaluated the influence of a multi-mode universal adhesive (MUA) containing silane (Single Bond Universal, 3M EPSE) on the bonding of resin cement to lithium disilicate.

Materials and Methods

Thirty IPS e.max CAD specimens (Ivoclar Vivadent) were fabricated. The surfaces were treated as follows: Group A, adhesive that did not contain silane (ANS, Porcelain Bonding Resin, Bisco); Group B, silane (S) and ANS; Group C, hydrofluoric acid (HF), S, and ANS; Group D, MUA; Group E, HF and MUA. Dual-cure resin cement (NX3, Kerr) was applied and composite resin cylinders of 0.8 mm in diameter were placed on it before light polymerization. Bonded specimens were stored in water for 24 hours or underwent a 10,000 thermocycling process prior to microshear bond strength testing. The data were analyzed using multivariate analysis of variance (p < 0.05).

Results

Bond strength varied significantly among the groups (p < 0.05), except for Groups A and D. Group C showed the highest initial bond strength (27.1 ± 6.9 MPa), followed by Group E, Group B, Group D, and Group A. Thermocycling significantly reduced bond strength in Groups B, C, and E (p < 0.05). Bond strength in Group C was the highest regardless of the storage conditions (p < 0.05).

Conclusions

Surface treatment of lithium disilicate using HF and silane increased the bond strength of resin cement. However, after thermocycling, the silane in MUA did not help achieve durable bond strength between lithium disilicate and resin cement, even when HF was applied.

Citations

Citations to this article as recorded by

The influence of different factors on the bond strength of lithium disilicate-reinforced glass–ceramics to Resin: a machine learning analysis
Jiawen Liu, Suqing Tu, Mingjuan Wang, Du Chen, Chen Chen, Haifeng Xie
BMC Oral Health.2025;[Epub] CrossRef
Influence of different primers and adhesive system combinations on the durability of resin bonding to lithium disilicate
Christine Yazigi, Shila Alawi, Sebastian Wille, Matthias Kern
The Journal of Prosthetic Dentistry.2025; 134(3): 749. CrossRef
Shear Bond Strength and Finite Element Stress Analysis of Composite Repair Using Various Adhesive Strategies With and Without Silane Application
Elif Ercan Devrimci, Hande Kemaloglu, Cem Peskersoy, Tijen Pamir, Murat Turkun
Applied Sciences.2025; 15(15): 8159. CrossRef
Effect of universal adhesives and self-etch ceramic primers on bond strength to glass-ceramics: A systematic review and meta-analysis of in vitro studies
Renally Bezerra Wanderley Lima, Isis de Araújo Ferreira Muniz, Débora e Silva Campos, Fabián Murillo-Gómez, Ana Karina Maciel de Andrade, Rosângela Marques Duarte, Grace Mendonça de Souza
The Journal of Prosthetic Dentistry.2024; 131(3): 392. CrossRef
Effect of the difference water amounts and hydrolysis times of silane coupling agent on the shear bond strength between lithium disilicate glass ceramic and composite resin
Pimchanok OSOTPRASIT, Sasipin LAUVAHUTANON, Yosnarong SIRIMETHAWONG, Patcharanun CHAIAMORNSUP, Pornpot JIANGKONGKHO
Dental Materials Journal.2024; 43(3): 375. CrossRef
Is additional silane application necessary for a new silane‐containing universal adhesive to bond to glass ceramics?
Priscila Luciane da Silva, Hélio Radke Bittencourt, Luiz Henrique Burnett, Ana Maria Spohr
Journal of Esthetic and Restorative Dentistry.2024; 36(10): 1452. CrossRef
The Effect of Various Lasers on the Bond Strength Between Orthodontic Brackets and Dental Ceramics: A Systematic Review and Meta-Analysis
Seyed Ali Mosaddad, Jaafar Abduo, Mehrnaz Zakizade, Hamid Tebyaniyan, Ahmed Hussain
Photobiomodulation, Photomedicine, and Laser Surgery.2024; 42(1): 20. CrossRef
Long-Term Bonding Performance of One-Bottle vs. Two-Bottle Bonding Agents to Lithium Disilicate Ceramics
Masao Irie, Masahiro Okada, Yukinori Maruo, Goro Nishigawa, Takuya Matsumoto
Polymers.2024; 16(16): 2266. CrossRef
Bond strength to different CAD/CAM lithium disilicate reinforced ceramics
Mona Alhomuod, Jin‐Ho Phark, Sillas Duarte
Journal of Esthetic and Restorative Dentistry.2023; 35(1): 129. CrossRef
Surface Treatment Effect on Shear Bond Strength between Lithium Disilicate Glass-Ceramic and Resin Cement
Siripan Simasetha, Awiruth Klaisiri, Tool Sriamporn, Kraisorn Sappayatosok, Niyom Thamrongananskul
European Journal of Dentistry.2022; 16(02): 373. CrossRef
Bonding of Clear Aligner Composite Attachments to Ceramic Materials: An In Vitro Study
Bashair A. Alsaud, Maher S. Hajjaj, Ahmad I. Masoud, Ensanya A. Abou Neel, Dalia A. Abuelenain, Amal I. Linjawi
Materials.2022; 15(12): 4145. CrossRef
Bonding of different resin luting materials to composite, polymer-infiltrated and feldspathic ceramic CAD/CAM blocks
Burcu Dikici, Esra Can Say
Journal of Adhesion Science and Technology.2022; 36(14): 1572. CrossRef
Influence of mechanical and chemical pre-treatments on the repair of a hybrid ceramic
Sascha Niklas Jung, Stefan Rüttermann
Dental Materials.2022; 38(7): 1140. CrossRef
Effect of Silane-Containing Universal Adhesives on the Bonding Strength of Lithium Disilicate
Yu-Ri Kim, Jae-Hoon Kim, Sung-Ae Son, Jeong-Kil Park
Materials.2021; 14(14): 3976. CrossRef
Ceramics in dentistry: which material is appropriate for the anterior or posterior Dentition? Part 1: materials science
Loo Chien Win, Peter Sands, Stephen J Bonsor, FJ Trevor Burke
Dental Update.2021; 48(8): 680. CrossRef
The effect of different ceramic surface treatments on the repair bond strength of resin composite to lithium disilicate ceramic
Nanako UEDA, Tomohiro TAKAGAKI, Toru NIKAIDO, Rena TAKAHASHI, Masaomi IKEDA, Junji TAGAMI
Dental Materials Journal.2021; 40(5): 1073. CrossRef
Bonding Strength of Universal Adhesives to Indirect Substrates: A Meta‐Analysis of in Vitro Studies
Carlos Enrique Cuevas‐Suárez, Wellington Luiz de Oliveira da Rosa, Rafael Pino Vitti, Adriana Fernandes da Silva, Evandro Piva
Journal of Prosthodontics.2020; 29(4): 298. CrossRef
Effect of different surface treatments and multimode adhesive application on the Weibull characteristics, wettability, surface topography and adhesion to CAD/CAM lithium disilicate ceramic
Karina Barbosa Souza, Dayanne Monielle Duarte Moura, Sarah Emille Gomes da Silva, Gabriela Monteiro de Araújo, Rafael de Almeida Spinelli Pinto, Fabíola Pessôa Pereira Leite, Mutlu Özcan, Rodrigo Othávio de Assunção e Souza
Journal of Applied Oral Science.2020;[Epub] CrossRef
Effects of the ratio of silane to 10-methacryloyloxydecyl dihydrogenphosphate (MDP) in primer on bonding performance of silica-based and zirconia ceramics
Minkhant Koko, Tomohiro Takagaki, Ahmed Abdou, Masanao Inokoshi, Masaomi Ikeda, Takahiro Wada, Motohiro Uo, Toru Nikaido, Junji Tagami
Journal of the Mechanical Behavior of Biomedical Materials.2020; 112: 104026. CrossRef
Influence of surface treatments and repair materials on the shear bond strength of CAD/CAM provisional restorations
Ki-Won Jeong, Sung-Hun Kim
The Journal of Advanced Prosthodontics.2019; 11(2): 95. CrossRef
Microtensile bond strengths of adhesively bonded polymer-based CAD/CAM materials to dentin
Nuray CAPA, Esra CAN SAY, Cansin CELEBI, Ayca CASUR
Dental Materials Journal.2019; 38(1): 75. CrossRef
Simplified Surface Treatments for Ceramic Cementation: Use of Universal Adhesive and Self-Etching Ceramic Primer
Heloísa A. B. Guimarães, Paula C. Cardoso, Rafael A. Decurcio, Lúcio J. E. Monteiro, Letícia N. de Almeida, Wellington F. Martins, Ana Paula R. Magalhães
International Journal of Biomaterials.2018; 2018: 1. CrossRef
Effects of surface treatments on repair bond strength of a new CAD/CAM ZLS glass ceramic and two different types of CAD/CAM ceramics
Ayse Seda Ataol, Gulfem Ergun
Journal of Oral Science.2018; 60(2): 201. CrossRef
An in vitro evaluation of fracture load of implant‐supported zirconia‐based prostheses fabricated with different veneer materials
Hiroki Takata, Futoshi Komine, Junichi Honda, Markus B. Blatz, Hideo Matsumura
Clinical Oral Implants Research.2018; 29(4): 396. CrossRef
Effects of multiple firings on mechanical properties and resin bonding of lithium disilicate glass-ceramic
Hongliang Meng, Haifeng Xie, Lu Yang, Bingzhuo Chen, Ying Chen, Huaiqin Zhang, Chen Chen
Journal of the Mechanical Behavior of Biomedical Materials.2018; 88: 362. CrossRef

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Elemental analysis of caries-affected root dentin and artificially demineralized dentin: Young-Hye Sung, Ho-Hyun Son, Keewook Yi, Juhea Chang; Restor Dent Endod 2016;41(4):255-261. Published online August 19, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.255

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Objectives

This study aimed to analyze the mineral composition of naturally- and artificially-produced caries-affected root dentin and to determine the elemental incorporation of resin-modified glass ionomer (RMGI) into the demineralized dentin.

Materials and Methods

Box-formed cavities were prepared on buccal and lingual root surfaces of sound human premolars (n = 15). One cavity was exposed to a microbial caries model using a strain of Streptococcus mutans. The other cavity was subjected to a chemical model under pH cycling. Premolars and molars with root surface caries were used as a natural caries model (n = 15). Outer caries lesion was removed using a carbide bur and a hand excavator under a dyeing technique and restored with RMGI (FujiII LC, GC Corp.). The weight percentages of calcium (Ca), phosphate (P), and strontium (Sr) and the widths of demineralized dentin were determined by electron probe microanalysis and compared among the groups using ANOVA and Tukey test (p < 0.05).

Results

There was a pattern of demineralization in all models, as visualized with scanning electron microscopy. Artificial models induced greater losses of Ca and P and larger widths of demineralized dentin than did a natural caries model (p < 0.05). Sr was diffused into the demineralized dentin layer from RMGI.

Conclusions

Both microbial and chemical caries models produced similar patterns of mineral composition on the caries-affected dentin. However, the artificial lesions had a relatively larger extent of demineralization than did the natural lesions. RMGI was incorporated into the superficial layer of the caries-affected dentin.

Citations

Citations to this article as recorded by

3D Multi-modal Imaging of demineralised dentine using combined synchrotron µ-XRD-CT and STXM-CT
Nathanael Leung, Robert A. Harper, Bin Zhu, Stuart A. Bartlett, Konstantin Ignatyev, Richard M. Shelton, Gabriel Landini, Tan Sui
Journal of Structural Biology.2025; 217(2): 108208. CrossRef
A dynamic microcosm biofilm model for root carious-like lesion development: analysis of demineralization and microbiological characterization
Tamires Timm Maske, Glenda Ávila Marques, Bruna Dalongaro Fritsch, Bruna Moraes Kremer, Maximiliano Sérgio Cenci, Pabulo Henrique Rampelotto, Rodrigo Alex Arthur
Biofouling.2025; 41(5): 536. CrossRef
Bond strength durability of three bioactive restorative materials to silver diamine fluoride treated artificially demineralized dentine
Mostafa A. Abdelshafi, Hanan A.N. Soliman, Dina Abdelaziz
BMC Oral Health.2025;[Epub] CrossRef
Frontiers of Global Research Trend on Root Caries: A Bibliometric Analysis
Grace Yuchan Xu, Irene Shuping Zhao, Christie Ying Kei Lung, Iris Xiaoxue Yin, Edward Chin Man Lo, Chun Hung Chu
International Dental Journal.2024; 74(6): 1197. CrossRef
Effects of NaF versus SDF treatment on microhardness of artificial radiation caries at cervical and root areas
Pipop SAIKAEW, Karis KATEKOVIT, Anocha BURANARACHADA, Nattapat SAIMALA, Anussara PRAYONGRAT, Pornpoj FUANGTHARNTHIP
Dental Materials Journal.2024; 43(4): 591. CrossRef
Degradable polycaprolactone/buffer composites as pH regulating carrier materials for drug delivery and 3D printed biomaterials
Therese Schüler, Celine Guder, Franziska Alt, Katrin Lorenz, Torsten Sterzenbach, Christian Hannig, Hans-Peter Wiesmann, Benjamin Kruppke
Materialia.2024; 34: 102087. CrossRef
The Effect of Oral Care Foams and a Spray on Salivary pH Changes after Exposure to Acidic Beverages in Young Adults
Maria Polyakova, Anna Egiazaryan, Vladlena Doroshina, Alexandr Zaytsev, Alexey Malashin, Ksenia Babina, Nina Novozhilova
Dentistry Journal.2024; 12(4): 93. CrossRef
In Vitro Models Used in the Formation of Root Caries Lesions—A Review of the Literature
Zaid Dohan, Lara T. Friedlander, Paul R. Cooper, Kai-Chun Li, Jithendra T. Ratnayake, May L. Mei
Dentistry Journal.2023; 11(12): 269. CrossRef
Yttrium Trifluoride as a Marker of Infiltration Rate of Decalcified Root Cementum: An In Vitro Study
Anna Nowak-Wachol, Anna Korytkowska-Wałach, Bartosz Chmiela, Kacper Wachol, Maciej Łopaciński, Magdalena Wyszyńska, Yousuf Al-Dulaimi, Małgorzata Skucha-Nowak
Polymers.2022; 14(4): 780. CrossRef
Effect of fluoride, chlorhexidine or Nd:YAG on the progression of root dentin demineralization after removal of the demineralized organic matrix
Andrea Maselli, Tânia Mara da Silva, Lucélia Lemes Gonçalves, Aline Silva Braga, Eduardo Bresciani, Ana Carolina Magalhães, Sérgio Eduardo de Paiva Gonçalves
Journal of Applied Oral Science.2022;[Epub] CrossRef
Effect of ionizing radiation and cariogenic biofilm challenge on root-dentin caries
Camila de Carvalho Almança Lopes, Renata Borges Rodrigues, Maximiliano Sérgio Cenci, Juliana Lays Stolfo Uehara, Tamires Timm Maske, Pedro Henrique Justino Oliveira Limirio, Priscilla Barbosa Ferreira Soares, Veridiana Resende Novais
Clinical Oral Investigations.2021; 25(6): 4059. CrossRef
Silver diamine fluoride treatment of active root caries lesions in older adults: A case series
Chelsea Mitchell, Andrew J Gross, Peter Milgrom, Lloyd Mancl, David B Prince
Journal of Dentistry.2021; 105: 103561. CrossRef
A Hydrogel Drink With High Fructose Content Generates Higher Exogenous Carbohydrate Oxidation and a Reduced Drop in Dental Biofilm pH Compared to Two Other, Commercially Available, Carbohydrate Sports Drinks
Stefan Pettersson, Martin Ahnoff, Fredrik Edin, Peter Lingström, Charlotte Simark Mattsson, Ulrika Andersson-Hall
Frontiers in Nutrition.2020;[Epub] CrossRef

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How to design in situ studies: an evaluation of experimental protocols: Young-Hye Sung, Hae-Young Kim, Ho-Hyun Son, Juhea Chang; Restor Dent Endod 2014;39(3):164-171. Published online May 13, 2014; DOI: https://doi.org/10.5395/rde.2014.39.3.164

Abstract PDF PubReader ePub

Objectives

Designing in situ models for caries research is a demanding procedure, as both clinical and laboratory parameters need to be incorporated in a single study. This study aimed to construct an informative guideline for planning in situ models relevant to preexisting caries studies.

Materials and Methods

An electronic literature search of the PubMed database was performed. A total 191 of full articles written in English were included and data were extracted from materials and methods. Multiple variables were analyzed in relation to the publication types, participant characteristics, specimen and appliance factors, and other conditions. Frequencies and percentages were displayed to summarize the data and the Pearson's chi-square test was used to assess a statistical significance (p < 0.05).

Results

There were many parameters commonly included in the majority of in situ models such as inclusion criteria, sample sizes, sample allocation methods, tooth types, intraoral appliance types, sterilization methods, study periods, outcome measures, experimental interventions, etc. Interrelationships existed between the main research topics and some parameters (outcome measures and sample allocation methods) among the evaluated articles.

Conclusions

It will be possible to establish standardized in situ protocols according to the research topics. Furthermore, data collaboration from comparable studies would be enhanced by homogeneous study designs.

Citations

Citations to this article as recorded by

What is the effectiveness of titanium tetrafluoride to prevent or treat dental caries and tooth erosion? A systematic review
Ana Beatriz Chevitarese, Karla Lorene de França Leite, Guido A. Marañón-Vásquez, Danielle Masterson, Matheus Pithon, Lucianne Cople Maia
Acta Odontologica Scandinavica.2022; 80(6): 441. CrossRef
Effect of fluoride group on dental erosion associated or not with abrasion in human enamel: A systematic review with network metanalysis
Bruna Machado da Silva, Daniela Rios, Gerson Aparecido Foratori-Junior, Ana Carolina Magalhães, Marília Afonso Rabelo Buzalaf, Silvia De Carvalho Sales Peres, Heitor Marques Honório
Archives of Oral Biology.2022; 144: 105568. CrossRef
Multimodal Human and Environmental Sensing for Longitudinal Behavioral Studies in Naturalistic Settings: Framework for Sensor Selection, Deployment, and Management
Brandon M Booth, Karel Mundnich, Tiantian Feng, Amrutha Nadarajan, Tiago H Falk, Jennifer L Villatte, Emilio Ferrara, Shrikanth Narayanan
Journal of Medical Internet Research.2019; 21(8): e12832. CrossRef
Evaluation of an antibacterial orthodontic adhesive incorporated with niobium-based bioglass: an in situ study
Felipe Weidenbach DEGRAZIA, Aline Segatto Pires ALTMANN, Carolina Jung FERREIRA, Rodrigo Alex ARTHUR, Vicente Castelo Branco LEITUNE, Susana Maria Werner SAMUEL, Fabrício Mezzomo COLLARES
Brazilian Oral Research.2019;[Epub] CrossRef
A Review of the Common Models Used in Mechanistic Studies on Demineralization-Remineralization for Cariology Research
Ollie Yiru Yu, Irene Shuping Zhao, May Lei Mei, Edward Chin-Man Lo, Chun-Hung Chu
Dentistry Journal.2017; 5(2): 20. CrossRef
Effects of rinsing with arginine bicarbonate and urea solutions on initial enamel lesions in situ
Y Yu, X Wang, C Ge, B Wang, C Cheng, Y‐H Gan
Oral Diseases.2017; 23(3): 353. CrossRef
The cariogenicity of commercial infant formulas: a systematic review
S. F. Tan, H. J. Tong, X. Y. Lin, B. Mok, C. H. Hong
European Archives of Paediatric Dentistry.2016; 17(3): 145. CrossRef
In situ antibiofilm effect of glass-ionomer cement containing dimethylaminododecyl methacrylate
Jin Feng, Lei Cheng, Xuedong Zhou, Hockin H.K. Xu, Michael D. Weir, Markus Meyer, Hans Maurer, Qian Li, Matthias Hannig, Stefan Rupf
Dental Materials.2015; 31(8): 992. CrossRef

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Flexural strength and microstructure of two lithium disilicate glass ceramics for CAD/CAM restoration in the dental clinic: Suk-Ho Kang, Juhea Chang, Ho-Hyun Son; Restor Dent Endod 2013;38(3):134-140. Published online August 23, 2013; DOI: https://doi.org/10.5395/rde.2013.38.3.134

Abstract PDF PubReader ePub

Objectives

There has been a growing interest in glass ceramic systems with good esthetics, high fracture resistance and bonding durability, and simplified fabrication techniques using CAD/CAM. The aim of this study is to compare flexural strength before and after heat treatment of two lithium disilicate CAD/CAM blocks, IPS e.max CAD (Ivoclar Vivadent) and Rosetta SM (Hass), and to observe their crystalline structures.

Materials and Methods

Biaxial flexural strength was tested according to ISO 6872 with 20 disc form specimens sliced from each block before and after heat treatment. Also, the crystalline structures were observed using field-emission scanning microscopy (FE-SEM, Hitachi) and x-ray diffraction (XRD, Rigaku) analysis. The mean values of the biaxial flexural strength were analyzed by the Mann-Whitney U test at a significance level of p = 0.05.

Results

There were no statistically significant differences in flexural strength between IPS e.max CAD and Rosetta SM either before heat treatment or after heat treatment. For both ceramics, the initial flexural strength greatly increased after heat treatment, with significant differences (p < 0.05). The FE-SEM images presented similar patterns of crystalline structure in the two ceramics. In the XRD analysis, they also had similar patterns, presenting high peak positions corresponding to the standard lithium metasilicate and lithium disilicate at each stage of heat treatment.

Conclusions

IPS e.max CAD and Rosetta SM showed no significant differences in flexural strength. They had a similar crystalline pattern and molecular composition.

Citations

Citations to this article as recorded by

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Jiao ZHANG, Qing YU
Dental Materials Journal.2022; 41(6): 868. CrossRef
Microstructural considerations for novel lithium disilicate glass ceramics: A review
Jin‐Ho Phark, Sillas Duarte
Journal of Esthetic and Restorative Dentistry.2022; 34(1): 92. CrossRef
Biaxial flexure strength and physicochemical characterization of a CAD/CAM lithium disilicate ceramic: effect of etching time, silane, and adhesive applications
Sarah Emille Gomes da Silva, Gabriela Monteiro de Araújo, Karina Barbosa Souza, Dayanne Monielle Duarte Moura, Iana Lamadrid Aurélio, Liliana Gressler May, Taciana Emília Leite Vila-Nova, Yu Zhang, Rodrigo Othávio de Assunção e Souza
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C.G. Figueiredo-Pina, N. Patas, J. Canhoto, R. Cláudio, S.M. Olhero, A.P. Serro, A.C. Ferro, M. Guedes
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Ravikumar Ramakrishnaiah, Abdulaziz Alkheraif, Darshan Divakar, Jukka Matinlinna, Pekka Vallittu
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Applied Adhesion Science.2013;[Epub] CrossRef

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Color and hardness changes in artificial white spot lesions after resin infiltration: Ji-Hoon Kim, Ho-Hyun Son, Juhea Chang; Restor Dent Endod 2012;37(2):90-95. Published online May 18, 2012; DOI: https://doi.org/10.5395/rde.2012.37.2.90

Abstract PDF PubReader ePub

Objectives

The purpose of this study was to determine the effect of resin infiltration technique on color and surface hardness of white spot lesion (WSL) with various degrees of demineralization.

Materials and Methods

Ten human upper premolars were cut and divided into quarters with a 3 × 4 mm window on the enamel surface. Each specimens were separated into four groups (n = 10) and immersed in demineralization solution to create WSL: control, no treatment (baseline); 12 h, 12 hr demineralization; 24 h, 24 hr demineralization; 48 h, 48 hr demineralization. Resin infiltration was performed to the specimens using Icon (DMG). CIEL^*a^*b^* color parameters of the enamel-dentin complex were determined using a spectroradiometer at baseline, after caries formation and after resin infiltration. Surface hardness was measured by Vickers Micro Hardness Tester (Shimadzu, HMV-2). The differences in color and hardness among the groups were analyzed with ANOVA followed by Tukey test.

Results

Resin infiltration induced color changes and increased the hardness of demineralized enamel. After resin infiltration, there was no difference in color change (ΔE^*) or microhardness among the groups (p < 0.05).

Conclusion

There was no difference in the effect of resin infiltration on color and hardness among groups with different extents of demineralization.

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Resin infiltration revolution in minimal invasive treatment – A review
Akancha Kumari, Sonal Gupta, Ashima Varshney, Neha Lal
Journal of Global Oral Health.2025; 0: 1. CrossRef
Effect of CPP-ACPF, resin infiltration, and colloidal silica infiltration on surface microhardness of artificial white spot lesions in primary teeth: An in vitro study
ArantaAvinash Chindane, AnilT Patil, B Sandhyarani
Dental Research Journal.2022; 19(1): 52. CrossRef
IMMEDIATE RESULT OF ICON INFILTRATION IN WHITE SPOT LESIONS CAUSED BY FLUOROSIS: A CASE REPORT
Al-Sadi Abdulaziz Nasser Zain, P.M. Skrypnykov, V.I. Shynkevych, O.A. Pysarenko
Ukrainian Dental Almanac.2022; (2): 34. CrossRef
A comparative evaluation of penetration depth and surface microhardness of Resin Infiltrant, CPP-ACPF and Novamin on enamel demineralization after banding: an in vitro study
Nishita Rana, Namita Singh, Shaila, Abi. M. Thomas, Rajan Jairath
Biomaterial Investigations in Dentistry.2021; 8(1): 64. CrossRef
Spectrophotometric Evaluation of Color Change in Tooth Enamel Defects Using Resin Infiltrate: An In Vivo Study
Anil Gupta, Shikha Dogra, Sakshi Joshi, Vimanyu Kataria, Jyotika Saini, Monika Nagpal, Payal Narula
International Journal of Clinical Pediatric Dentistry.2020; 13(2): 150. CrossRef
Effect of Casein Phosphopeptide–amorphous Calcium Phosphate and Calcium Sodium Phosphosilicate on Artificial Carious Lesions: Anin vitroStudy
Iqra Chaudhary, Abhay M Tripathi
International Journal of Clinical Pediatric Dentistry.2017; 10(3): 261. CrossRef
Effect of Resin Infiltration on Artificial Caries: Anin vitroEvaluation of Resin Penetration and Microhardness
Deepesh Prajapati, Rashmi Nayak, Deepika Pai, Nagraj Upadhya, Vipin K Bhaskar, Pujan Kamath
International Journal of Clinical Pediatric Dentistry.2017; 10(3): 250. CrossRef
Application of quantitative light-induced fluorescence to determine the depth of demineralization of dental fluorosis in enamel microabrasion: a case report
Tae-Young Park, Han-Sol Choi, Hee-Won Ku, Hyun-Su Kim, Yoo-Jin Lee, Jeong-Bum Min
Restorative Dentistry & Endodontics.2016; 41(3): 225. CrossRef

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Effects of matrix metallproteinases on dentin bonding and strategies to increase durability of dentin adhesion: Jung-Hyun Lee, Juhea Chang, Ho-Hyun Son; Restor Dent Endod 2012;37(1):2-8. Published online March 2, 2012; DOI: https://doi.org/10.5395/rde.2012.37.1.2

Abstract PDF PubReader ePub

The limited durability of resin-dentin bonds severely compromises the longevity of composite resin restorations. Resin-dentin bond degradation might occur via degradation of water-rich and resin sparse collagen matrices by host-derived matrix metalloproteinases (MMPs). This review article provides overview of current knowledge of the role of MMPs in dentin matrix degradation and four experimental strategies for extending the longevity of resin-dentin bonds. They include: (1) the use of broad-spectrum inhibitors of MMPs, (2) the use of cross-linking agents for silencing the activities of MMPs, (3) ethanol wet-bonding with hydrophobic resin, (4) biomimetic remineralization of water-filled collagen matrix. A combination of these strategies will be able to overcome the limitations in resin-dentin adhesion.

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Remineralization Effects of Silver Fluoride, Silver Diamine Fluoride, and Sodium Fluoride Varnish
Jihyeon Lee, Hwalim Lee, Jongsoo Kim, Joonhaeng Lee, Jongbin Kim, Jisun Shin, Miran Han
International Journal of Clinical Preventive Dentistry.2024; 20(1): 19. CrossRef

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Rheological characterization of thermoplasticized injectable gutta percha and resilon: Juhea Chang, Seung-Ho Baek, In-Bog Lee; J Korean Acad Conserv Dent 2011;36(5):377-384. Published online September 30, 2011; DOI: https://doi.org/10.5395/JKACD.2011.36.5.377

Abstract PDF PubReader ePub

Objectives

The purpose of this study was to observe the change in the viscoelastic properties of thermoplasticized injectable root canal filling materials as a function of temperature and to compare the handling characteristics of these materials.

Materials and Methods

Three commercial gutta perchas and Resilon (Pentron Clinical Technologies) in a pellet form were heated in the Obtura-II system (Obtura Spartan) at 140℃ and 200℃, and the extrusion temperature of the thermoplasticized materials was measured. The viscoelastic properties of the materials as a function of temperature were evaluated using a rheometer. The elastic modulus G', viscous modulus G", loss tangent tan δ, and complex viscosity η^* were determined. The phase transition temperature was determined by both the rheometer and a differential scanning calorimeter (DSC). The consistency of the materials was compared under compacting pressure at 60℃ and 40℃ by a squeeze test.

Results

The three gutta perchas had dissimilar profiles in viscoelastic properties with varying temperature. The phase transition of softened materials into solidification occurred at 40℃ to 50℃, and the onset temperatures obtained by a rheometer and a DSC were similar to each other. The onset temperature of phase transition and the consistency upon compaction pressure were different among the materials (p < 0.05). Resilon had a rheologically similar pattern to the gutta perchas, and was featured between high and low-flow gutta perchas.

Conclusions

The rheological characteristics of the thermoplasticized root canal filling materials changed under a cooling process. The dissimilar viscoelastic properties among the materials require different handling characteristics during an injecting and compacting procedure.

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The investigation of composition and thermal behavior of two types of backfilling gutta-percha
Pai-Chun Huang, Yi-Ting Wu, Yung-Hao Hsu, Szu-Chin Liao, Ya-Hsuan Wang, James L. Gutmann, Haw-Ming Huang, Sung-Chih Hsieh
Journal of Dental Sciences.2023; 18(1): 414. CrossRef
Thermal behavior and viscoelastic properties of gutta-percha used for back-filling the root canal
Yung-Hao Hsu, Hsin-Hui Wang, Yung-Kang Shen, James L. Gutmann, Sung-Chih Hsieh
Journal of Dental Sciences.2020; 15(1): 28. CrossRef
Comparison between Gutta-Percha and Resin-Coated Gutta-Percha using Different Obturation Techniques
Nashwan A. Al-Afifi, Mariam Abdullah, Samah M. Al-Amery, Mohamed Abdulmunem
Journal of Applied Biomaterials & Functional Materials.2016; 14(3): e307. CrossRef
Temperature‐dependent rheological property changes of thermoplastic gutta‐percha root filling materials
H. J. Moon, J. H. Lee, J. H. Ahn, H. J. Song, Y. J. Park
International Endodontic Journal.2015; 48(6): 556. CrossRef

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Elemental analysis of the fluoride varnish effects on root caries initiation: Se-Eun Park, Keewook Yi, Hae-Young Kim, Ho-Hyun Son, Juhea Chang; J Korean Acad Conserv Dent 2011;36(4):290-299. Published online July 31, 2011; DOI: https://doi.org/10.5395/JKACD.2011.36.4.290

Abstract PDF PubReader ePub

Objectives

The usage of fluoride varnish for a moderate to low caries-risk group has not been well validated. This study aimed to evaluate the preventive and therapeutic efficacies of fluoride varnish on the initiated root caries.

Materials and Methods

Ten premolars were sectioned into quarters, further divided into two windows, one of which was painted with Fluor Protector (1,000 ppm fluoride, Ivoclar Vivadent). An initial lesion with a well-preserved surface layer was produced by pH cycling. Scanned line analysis using energy dispersive spectrometry determined the weight percentages of Ca and P in the demineralized layer. Scanning Electron microscopy and confocal laser scanning microscopy (CLSM) evaluated the varnish-applied root surfaces.

Results

The mean lesion depth (SD) was 12.3 (2.6) µm (single cycling) and 19.6 (3.8) µm (double cycling). Double cycling extended the lesion depth, but induced no more mineral loss than single cycling (p < 0.05). The mean weight percentages of Ca and P between groups with and without varnish were not significantly different (p < 0.05). A CLSM showed varnish remained within 15 µm of the surface layer.

Conclusions

When a mild acid challenge initiated root tissue demineralization, the application of low-concentration fluoride varnish did not influence the lesion depth or the mineral composition of the subsurface lesion.

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The combined occluding effect of sodium fluoride varnish and Nd:YAG laser irradiation on dentinal tubules—A CLSM and SEM study
Samet Tosun, Emre Culha, Ugur Aydin, Abdul Semih Ozsevik
Scanning.2016; 38(6): 619. CrossRef
How to designin situstudies: an evaluation of experimental protocols
Young-Hye Sung, Hae-Young Kim, Ho-Hyun Son, Juhea Chang
Restorative Dentistry & Endodontics.2014; 39(3): 164. CrossRef
Evaluation of release of fluoride from dental varnishes marketed in Korea
Han-Na Kim, Myung-Su Jeong, Se-Yeon Kim, Jin-Bom Kim, Seung-Hwa Jeong
Journal of Korean Academy of Oral Health.2014; 38(3): 131. CrossRef

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Theory of X-ray microcomputed tomography in dental research: application for the caries research: Young-Seok Park, Kwang-Hak Bae, Juhea Chang, Won-Jun Shon; J Korean Acad Conserv Dent 2011;36(2):98-107. Published online March 31, 2011; DOI: https://doi.org/10.5395/JKACD.2011.36.2.98

Abstract PDF PubReader ePub

Caries remains prevalent throughout modern society and is the main disease in the field of dentistry. Although studies of this disease have used diverse methodology, recently, X-ray microtomography has gained popularity as a non-destructive, 3-dimensional (3D) analytical technique, and has several advantages over the conventional methods. According to X-ray source, it is classified as monochromatic or polychromatic with the latter being more widely used due to the high cost of the monochromatic source despite some advantages. The determination of mineral density profiles based on changes in X-ray attenuation is the principle of this method and calibration and image processing procedures are needed for the better image and reproducible measurements. Using this tool, 3D reconstruction is also possible and it enables to visualize the internal structures of dental caries. With the advances in the computer technology, more diverse applications are being studied, such automated caries assessment algorithms.

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Irma Dumbryte, Donatas Narbutis, Arturas Vailionis, Saulius Juodkazis, Mangirdas Malinauskas
Scientific Reports.2022;[Epub] CrossRef
Three-dimensional non-destructive visualization of teeth enamel microcracks using X-ray micro-computed tomography
Irma Dumbryte, Arturas Vailionis, Edvinas Skliutas, Saulius Juodkazis, Mangirdas Malinauskas
Scientific Reports.2021;[Epub] CrossRef
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Pratik Agrawal, Gaurav Patri, Surabhi Soumya, Prasanti K Pradhan, Vijeta Patri
The Journal of Contemporary Dental Practice.2021; 22(9): 1014. CrossRef
Ex vivoevaluation of new 2D and 3D dental radiographic technology for detecting caries
Laurence Gaalaas, Donald Tyndall, André Mol, Eric T Everett, Ananta Bangdiwala
Dentomaxillofacial Radiology.2016; 45(3): 20150281. CrossRef
Stationary intraoral digital tomosynthesis using a carbon nanotube X-ray source array
J Shan, A W Tucker, L R Gaalaas, G Wu, E Platin, A Mol, J Lu, O Zhou
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Comparative efficacy of photo-activated disinfection and calcium hydroxide for disinfection of remaining carious dentin in deep cavities: a clinical study
Sidhartha Sharma, Ajay Logani, Naseem Shah
Restorative Dentistry & Endodontics.2014; 39(3): 195. CrossRef
Current status of dental caries diagnosis using cone beam computed tomography
Young-Seok Park, Jin-Soo Ahn, Ho-Beom Kwon, Seung-Pyo Lee
Imaging Science in Dentistry.2011; 41(2): 43. CrossRef

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Comparison of operative techniques between female and male dentists in class 2 and class 5 resin composite restorations: Juhea Chang, Hae-Young Kim, Ho-Hyun Son; J Korean Acad Conserv Dent 2010;35(2):116-124. Published online March 31, 2010; DOI: https://doi.org/10.5395/JKACD.2010.35.2.116

Abstract PDF PubReader ePub: This study aimed to assess whether the gender of the dental practitioner affects operative techniques in class 2 and class 5 resin composite restorations. In 2008, a nationwide survey was given to Korean dentists. Total 12,193 e-mails were distributed, 2,632 were opened by recipients, and 840 responses were collected. Of the respondents, 78.9% were male and 21.1% were female. The gender distribution in the age groups between respondents and the total population did not differ (p > 0.05). A chi-square test was used to compare technical differences between female and male dentists. A multiple logistic regression analysis was performed to assess the association between gender and operative techniques in resin composite restoration. For class 2 resin composite restoration, female dentists were 1.87 times more likely than male dentists to do multiple incremental fillings (four layers or more) and 2.72 times more likely than males to spend 30 minutes or more for the treatment (p < 0.05). For class 5 resin composite restoration, female dentists were 2.69 times more likely than their male counterparts to use a cavity base or liner, 1.83 times more likely to do multiple incremental fillings (four layers or more) and 1.63 times more likely to spend 20 minutes or more for the procedure (p < 0.05). The gender factor was influential to individual operative techniques in restorative treatment.

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A survey on the use of composite resin in Class II restoration in Korea: Dong-Ho Shin, Se-Eun Park, In-Seok Yang, Juhea Chang, In-Bog Lee, Byeong-Hoon Cho, Ho-Hyun Son; J Korean Acad Conserv Dent 2009;34(2):87-94. Published online March 31, 2009; DOI: https://doi.org/10.5395/JKACD.2009.34.2.087

Abstract PDF PubReader ePub

The purpose of this study was to assess the current materials, methods and difficulties according to the year of licence and educational background of Korean dentists in Class II direct composite resin restorations.

Total 17 questions were included in the questionnaire. Questions were broadly divided into two parts; first, operator's information, and second, the materials and methods used in Class II posterior composite restoration. The questionnaire was sent to dentists enrolled in Korean Dental Association via e-mail. Total 12,193 e-mails were distributed to dentists, 2,612 e-mails were opened, and 840 mails (32.2%) were received from respondents. The data was statically analyzed by chi-square test using SPSS(v. 12.0.1, SPSS Inc, Chicago, IL, USA).

Male dentists among respondents was 79%. 60.3% of the respondents acquired their licences recently (1998-2007), and 77% practiced in private offices. 83.4% have acquired their knowledge through school lectures, conferences and seminars.

For the Class II restorations, gold inlays were preferred by 65.7% of respondents, while direct composite resin restorations were used by 12.1% amalgam users were only 4.4% of respondents.

For the restorative technique, 74.4% of respondents didn't use rubber dam as needed. For the matrix, mylar strip (53.4%), metal matrix (33.8%) and Palodent system (6.5%) were used. 99.6% of respondents restored the Class II cavity by incremental layering.

Obtaining of the tight interproximal contact was considered as the most difficult procedure (57.2%) followed by field isolation (21%).

Among various bonding systems, 22.6% of respondents preferred SE Bond and 20.2% used Single Bond. Z-250 was used most frequently among a variety of composite resins.

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Hojin Moon
Korean Journal of Dental Materials.2024; 51(4): 189. CrossRef
Comparison of operative techniques between female and male dentists in class 2 and class 5 resin composite restorations
Juhea Chang, Hae-Young Kim, Ho-Hyun Son
Journal of Korean Academy of Conservative Dentistry.2010; 35(2): 116. CrossRef

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Quantitative comparison of permeability in the adhesive interface of four adhesive systems: Juhea Chang, Keewook Yi, Hae-Young Kim, In Bog Lee, Byeong Hoon Cho, Ho-Hyun Son; J Korean Acad Conserv Dent 2009;34(1):51-60. Published online January 31, 2009; DOI: https://doi.org/10.5395/JKACD.2009.34.1.051

Abstract PDF PubReader ePub: The purpose of this study was to perform quantitative comparisons of water permeable zones in both the adhesive and the hybrid layer before and after thermocycling in order to assess the integrity of the bonding interface. Twenty eight flat dentin surfaces were bonded with a light-cured composite resin using one of four commercial adhesives [OptiBond FL (OP), AdheSE (AD), Clearfil SE Bond (CL), and Xeno III (XE)]. These were sectioned into halves and subsequently cut to yield 2-mm thick specimens; one specimen for control and the other subjected to thermocycling for 10,000 cycles. After specimens were immersed in ammoniacal silver nitrate for 24 h and exposed to a photo developing solution for 8 h, the bonded interface was analyzed by scanning electron microscopy (SEM) and wavelength dispersive spectrometry (WDS) at five locations per specimen. Immediately after bonding, the adhesive layer of OP showed the lowest silver uptake, followed by CL, AD, and XE in ascending order (p < 0.0001); the hybrid layer of CL had the lowest silver content among the groups (p = 0.0039). After thermocycling, none of the adhesives manifested a significant increase of silver in either the adhesive or the hybrid layer. SEM demonstrated the characteristic silver penetrated patterns within the interface. It was observed that integrity of bonding was well maintained in OP and CL throughout the thermocycling process. Adhesive-tooth interfaces are vulnerable to hydrolytic degradation and its permeability varies in different adhesive systems, which may be clinically related to the restoration longevity.

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Development of nano-fluid movement measuring device and its application to hydrodynamic analysis of dentinal fluid: In-Bog Lee, Min-Ho Kim, Sun-Young Kim, Juhea Chang, Byung-Hoon Cho, Ho-Hyun Son, Seung-Ho Back; J Korean Acad Conserv Dent 2008;33(2):141-147. Published online March 31, 2008; DOI: https://doi.org/10.5395/JKACD.2008.33.2.141

Abstract PDF PubReader ePub

This study was aimed to develop an instrument for real-time measurement of fluid conductance and to investigate the hydrodynamics of dentinal fluid. The instrument consisted of three parts; (1) a glass capillary and a photo sensor for detection of fluid movement, (2) a servo-motor, a lead screw and a ball nut for tracking of fluid movement, (3) a rotary encoder and software for data processing.

To observe the blocking effect of dentinal fluid movement, oxalate gel and self-etch adhesive agent were used. BisBlock (Bisco) and Clearfil SE Bond (Kuraray) were applied to the occlusal dentin surface of extracted human teeth. Using this new device, the fluid movement was measured and compared between before and after each agent was applied.

The instrument was able to measure dentinal fluid movement with a high resolution (0.196 nL) and the flow occurred with a rate of 0.84 to 15.2 nL/s before treatment. After BisBlock or Clearfil SE Bond was used, the fluid movement was decreased by 39.8 to 89.6%.

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Yoon-Joo Lee, Kyung-Mo Cho, Se-Hee Park, Yoon Lee, Jin-Woo Kim
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Su Bin Lee, Jeong Weon Yoon, Mi Gyung Seong, Min Kyung Lee, Ye Hwang Kim, Jung Hwa Lee
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Sun-Young Kim, Byeong-Hoon Cho, Seung-Ho Baek, Bum-Sun Lim, In-Bog Lee
Journal of Korean Academy of Conservative Dentistry.2009; 34(6): 467. CrossRef

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Comparison of the elastic modulus among three dentin adhesives before and after thermocycling: Juhea Chang, In Bog Lee, Byeong Hoon Cho, Hae-Young Kim, Ho Hyun Son; J Korean Acad Conserv Dent 2008;33(1):45-53. Published online January 31, 2008; DOI: https://doi.org/10.5395/JKACD.2008.33.1.045

Abstract PDF PubReader ePub: The purpose of this study was to determine the effects on the elastic moduli of the adhesive and the hybrid layer from thermocycling. Twenty one human molars were used to create flat dentin surfaces. Each specimen was bonded with a light-cured composite using one of three commercial adhesives (OptiBond FL [OP], Clearfil SE Bond [CL], and Xeno III [XE]). These were sectioned into two halves and subsequently cut to yield 2-mm thickness specimens; one specimen for immediate bonding test without thermocycling and the other subjected to 10,000 times of thermocycling. Nanoindentation test was performed to measure the modulus of elasticity of the adhesive and the hybrid layer, respectively, using an atomic force microscope. After thermocycling, XE showed a significant decrease of the modulus in the adhesive layer (p < 0.05). Adhesives containing hydrophilic monomers are prone to hydrolytic degradation. It may result in the reduced modulus of elasticity, which leads to the mechanically weakened bonding interface.

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Effect of anticurvature filing method on preparation of the curved root canal using ProFile: Hyun-Ji Song, Juhea Chang, Kyung-Mo Cho, Jin-Woo Kim; J Korean Acad Conserv Dent 2005;30(4):327-334. Published online July 30, 2005; DOI: https://doi.org/10.5395/JKACD.2005.30.4.327

Abstract PDF PubReader ePub

This study investigated the effect of anticurvature filing method on preparation of the curved root canal using ProFile.

Thirty six resin blocks were divided equally into three groups by instrumentation motions: anticurvature filing motion, circumferential filing motion and straight up-and-down motion. Each resin block was sectioned at 8 mm level from the apex and at the greatest curvature of the canal and reassembled in metal mold by a modified Bramante technique. All groups were instrumented with the ProFile system. At each levels, image of sectioned surface were taken using CCD camera under a stereomicroscope at ×40 magnification and stored. Distances of transportation at the inner and outer area of curvature and the centering ratio were determined and compared by statistical analysis, along with the assessment of the increase of root canal cross-sectional area.

The results were as follows;

1. In all groups, there was no statistical difference in the mean increase of root canal cross-sectional area, the centering ratio, and the mean distances of transportation at the inner area of curvature at each level.

2. At 8 mm level from the apex, the mean distances of transportation at the outer area of curvature decreases in following order anticurvature filing motion, circumferential filing motion, straight up-and-down motion but, no significant difference at the greatest curvature of the canal among three groups.

Effect of anticurvature filing motion using ProFile does not seem to be different from other instrumentation motions at the inner area of curvature in curved root canal.

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