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Research Article
Effect of ultrasonic cleaning on the bond strength of fiber posts in oval canals filled with a premixed bioceramic root canal sealer
Fernando Peña Bengoa, Maria Consuelo Magasich Arze, Cristobal Macchiavello Noguera, Luiz Felipe Nunes Moreira, Augusto Shoji Kato, Carlos Eduardo Da Silveira Bueno
Restor Dent Endod 2020;45(2):e19.   Published online February 20, 2020
DOI: https://doi.org/10.5395/rde.2020.45.e19
AbstractAbstract PDFPubReaderePub
Objective

This study aimed to evaluate the effect of ultrasonic cleaning of the intracanal post space on the bond strength of fiber posts in oval canals filled with a premixed bioceramic (Bio-C Sealer [BIOC]) root canal sealer.

Materials and Methods

Fifty premolars were endodontically prepared and divided into 5 groups (n = 10), based on the type of root canal filling material used and the post space cleaning protocol. A1: gutta-percha + AH Plus (AHP) and post space preparation with ultrasonic cleaning, A2: gutta-percha + BIOC and post space preparation with ultrasonic cleaning, B1: gutta-percha + AHP and post space preparation, B2: gutta-percha + BIOC and post space preparation, C: control group. Fiber posts were cemented with a self-adhesive luting material, and 1 mm thick slices were sectioned from the middle and cervical third to evaluate the remaining filling material microscopically. The samples were subjected to a push-out test to analyze the bond strength of the fiber post, and the results were analyzed with the Shapiro-Wilk, Bonferroni, Kruskal-Wallis, and Mann-Whitney tests (p < 0.05). Failure modes were evaluated using optical microscopy.

Results

The results showed that the fiber posts cemented in canals sealed with BIOC had lower bond strength than those sealed with AHP. The ultrasonic cleaning of the post space improved the bond strength of fiber posts in canals sealed with AHP, but not with BIOC.

Conclusions

BIOC decreased the bond strength of fiber posts in oval canals, regardless of ultrasonic cleaning.

Citations

Citations to this article as recorded by  
  • Cleaning protocols to enhance bond strength of fiberglass posts on root canals filled with bioceramic sealer: an in vitro comparative study
    Thiago Bessa Marconato Antunes, Juliana Delatorre Bronzato, Joice Graciani, Ana Cristina Padilha Janini, Rocharles Cavalcante Fontenele, Francisco Haiter Neto, Brenda Paula Figueiredo de Almeida Gomes, Marina Angélica Marciano da Silva
    Restorative Dentistry & Endodontics.2025; 50(2): e20.     CrossRef
  • Evaluation of different mechanical cleaning protocols associated with 2.5% sodium hypochlorite in the removal of residues from the post space
    Matheus Sousa Vitória, Eran Nair Mesquita de Almeida, Antonia Patricia Oliveira Barros, Eliane Cristina Gulin de Oliveira, Joatan Lucas de Sousa Gomes Costa, Andrea Abi Rached Dantas, Milton Carlos Kuga
    Journal of Conservative Dentistry and Endodontics.2024; 27(3): 274.     CrossRef
  • Fiber post cemented using different adhesive strategies to root canal dentin obturated with calcium silicate-based sealer
    Lalita Patthanawijit, Kallaya Yanpiset, Pipop Saikaew, Jeeraphat Jantarat
    BMC Oral Health.2024;[Epub]     CrossRef
  • Effect of endodontic sealers on push-out bond strength of CAD-CAM or prefabricated fiber glass posts
    Andréa Pereira de Souza PINTO, Fabiana Mantovani Gomes FRANÇA, Roberta Tarkany BASTING, Cecilia Pedroso TURSSI, José Joatan RODRIGUES JÚNIOR, Flávia Lucisano Botelho AMARAL
    Brazilian Oral Research.2023;[Epub]     CrossRef
  • Effect of mechanical cleaning protocols in the fiber post space on the adhesive interface between universal adhesive and root dentin
    Gabriela Mariana Castro‐Núnez, José Rodolfo Estruc Verbicário dos Santos, Joissi Ferrari Zaniboni, Wilfredo Gustavo Escalante‐Otárola, Thiago Soares Porto, Milton Carlos Kuga
    Microscopy Research and Technique.2022; 85(6): 2131.     CrossRef
  • Effect of bioceramic root canal sealers on the bond strength of fiber posts cemented with resin cements
    Rafael Nesello, Isadora Ames Silva, Igor Abreu De Bem, Karolina Bischoff, Matheus Albino Souza, Marcus Vinícius Reis Só, Ricardo Abreu Da Rosa
    Brazilian Dental Journal.2022; 33(2): 91.     CrossRef
  • Effect of irrigation protocols on root canal wall after post preparation: a micro-CT and microhardness study
    Camila Maria Peres de Rosatto, Danilo Cassiano Ferraz, Lilian Vieira Oliveira, Priscilla Barbosa Ferreira Soares, Carlos José Soares, Mario Tanomaru Filho, Camilla Christian Gomes Moura
    Brazilian Oral Research.2021;[Epub]     CrossRef
  • 658 View
  • 9 Download
  • 7 Crossref
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Case Report
A case report of multiple bilateral dens invaginatus in maxillary anteriors
Shin Hye Chung, You-Jeong Hwang, Sung-Yeop You, Young-Hye Hwang, Soram Oh
Restor Dent Endod 2019;44(4):e39.   Published online October 21, 2019
DOI: https://doi.org/10.5395/rde.2019.44.e39
AbstractAbstract PDFPubReaderePub

The present report presents a case of dens invaginatus (DI) in a patient with 4 maxillary incisors. A 24-year-old female complained of swelling of the maxillary left anterior region and discoloration of the maxillary left anterior tooth. The maxillary left lateral incisor (tooth #22) showed pulp necrosis and a chronic apical abscess, and a periapical X-ray demonstrated DI on bilateral maxillary central and lateral incisors. All teeth responded to a vitality test, except tooth #22. The anatomic form of tooth #22 was similar to that of tooth #12, and both teeth had lingual pits. In addition, panoramic and periapical X-rays demonstrated root canal calcification, such as pulp stones, in the maxillary canines, first and second premolars, and the mandibular incisors, canines, and first premolars bilaterally. The patient underwent root canal treatment of tooth #22 and non-vital tooth bleaching. After a temporary filling material was removed, the invaginated mass was removed using ultrasonic tips under an operating microscope. The working length was established, and the root canal was enlarged up to #50 apical size and obturated with gutta-percha and AH 26 sealer using the continuous wave of condensation technique. Finally, non-vital bleaching was performed, and the access cavity was filled with composite resin.

Citations

Citations to this article as recorded by  
  • The use of three-dimensional-printed guides, static navigation, and bioactive materials to treat bilateral and double dens invaginatus
    Parth Patel, Nidhi Bharti, Ankit Arora, C. Nimisha Shah
    Saudi Endodontic Journal.2025; 15(2): 207.     CrossRef
  • Endodontic Management of Dens in Dente – A Systematic Review of Case Reports and Case Series
    Sanket Dilip Aras, Anamika Chetan Borkar, Sonal Kale, Sayali Maral, Prakriti Jaggi, Shailendra Sonawane
    Journal of the International Clinical Dental Research Organization.2024; 16(1): 17.     CrossRef
  • Dens invaginatus of fourteen teeth in a pediatric patient
    Momoko Usuda, Tatsuya Akitomo, Mariko Kametani, Satoru Kusaka, Chieko Mitsuhata, Ryota Nomura
    Pediatric Dental Journal.2023; 33(3): 240.     CrossRef
  • The Impact of the Preferred Reporting Items for Case Reports in Endodontics (PRICE) 2020 Guidelines on the Reporting of Endodontic Case Reports
    Sofian Youssef, Phillip Tomson, Amir Reza Akbari, Natalie Archer, Fayjel Shah, Jasmeet Heran, Sunmeet Kandhari, Sandeep Pai, Shivakar Mehrotra, Joanna M Batt
    Cureus.2023;[Epub]     CrossRef
  • Root Maturation of an Immature Dens Invaginatus Despite Unsuccessful Revitalization Procedure: A Case Report and Recommendations for Educational Purposes
    Julia Ludwig, Marcel Reymus, Alexander Winkler, Sebastian Soliman, Ralf Krug, Gabriel Krastl
    Dentistry Journal.2023; 11(2): 47.     CrossRef
  • Conservative Management of Infraorbital Space Infection Secondary to Type III B Dens Invaginatus: A Case Report
    Ashima Goyal, Aditi Kapur, Manoj A Jaiswal, Gauba Krishan, Raja Raghu, Sanjeev K Singh
    Journal of Postgraduate Medicine, Education and Research.2022; 56(4): 192.     CrossRef
  • 900 View
  • 17 Download
  • 6 Crossref
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Research Article
Cutting efficiency of apical preparation using ultrasonic tips with microprojections: confocal laser scanning microscopy study
Sang-Won Kwak, Young-Mi Moon, Yeon-Jee Yoo, Seung-Ho Baek, WooCheol Lee, Hyeon-Cheol Kim
Restor Dent Endod 2014;39(4):276-281.   Published online July 22, 2014
DOI: https://doi.org/10.5395/rde.2014.39.4.276
AbstractAbstract PDFPubReaderePub
Objectives

The purpose of this study was to compare the cutting efficiency of a newly developed microprojection tip and a diamond-coated tip under two different engine powers.

Materials and Methods

The apical 3-mm of each root was resected, and root-end preparation was performed with upward and downward pressure using one of the ultrasonic tips, KIS-1D (Obtura Spartan) or JT-5B (B&L Biotech Ltd.). The ultrasonic engine was set to power-1 or -4. Forty teeth were randomly divided into four groups: K1 (KIS-1D / Power-1), J1 (JT-5B / Power-1), K4 (KIS-1D / Power-4), and J4 (JT-5B / Power-4). The total time required for root-end preparation was recorded. All teeth were resected and the apical parts were evaluated for the number and length of cracks using a confocal scanning micrscope. The size of the root-end cavity and the width of the remaining dentin were recorded. The data were statistically analyzed using two-way analysis of variance and a Mann-Whitney test.

Results

There was no significant difference in the time required between the instrument groups, but the power-4 groups showed reduced preparation time for both instrument groups (p < 0.05). The K4 and J4 groups with a power-4 showed a significantly higher crack formation and a longer crack irrespective of the instruments. There was no significant difference in the remaining dentin thickness or any of the parameters after preparation.

Conclusions

Ultrasonic tips with microprojections would be an option to substitute for the conventional ultrasonic tips with a diamond coating with the same clinical efficiency.

Citations

Citations to this article as recorded by  
  • Effectiveness of Sectioning Method and Filling Materials on Roughness and Cell Attachments in Root Resection Procedure
    Tarek Ashi, Naji Kharouf, Olivier Etienne, Bérangère Cournault, Pierre Klienkoff, Varvara Gribova, Youssef Haikel
    European Journal of Dentistry.2025; 19(01): 240.     CrossRef
  • Questioning the spot light on Hi-tech endodontics
    Jojo Kottoor, Denzil Albuquerque
    Restorative Dentistry & Endodontics.2016; 41(1): 80.     CrossRef
  • 396 View
  • 4 Download
  • 2 Crossref
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