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Research Article
Investigation of fracture prevalence of instruments used in root canal treatments at a faculty of dentistry: a prospective study
Mehmet Eskibağlar, Merve Yeniçeri Özata, Mevlüt Sinan Ocak, Faruk Öztekin
Restor Dent Endod 2023;48(4):e38.   Published online November 1, 2023
DOI: https://doi.org/10.5395/rde.2023.48.e38
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this study was to examine the use of hand or rotary files by pre-graduation (fourth- and fifth-year) and postgraduate students in endodontic treatments and to determine the incidence of file fracture and the management of cases with broken instruments.

Materials and Methods

A total of 2,168 teeth undergoing primary endodontic treatment were included in this study. It was determined that 79 of these teeth resulted in broken tools. In the case of broken tools, the education level of the treating clinician, the tooth that was being treated, the canal and fracture level, the curvature of the tooth and the management of the broken instrument were recorded. Periapical radiographs of the patients were used to calculate curvature following the Schneider method.

Results

There was no significant difference in the incidence of broken tools according to education level (p > 0.05). The incidence of file fracture in molar teeth (73.4%) was higher than in other teeth (p < 0.05). More files were broken in the mandibular molar MB canal (20.25%) and in the apical third of the canals (72.1%). The risk of instrument fracture was high in teeth with moderate (44.3%) and severe (38%) curvature canals. The management of apically broken (80%) files mostly involved lefting (p < 0.05).

Conclusions

There was no statistically significant difference between fourth-year students, fifth-year students and postgraduate students in terms of instrument fracture.

Citations

Citations to this article as recorded by  
  • Assessment of Techniques of Surpassing Ledges in Curved Canals and Its Effect on File: An In Vitro Study
    Nezar Boreak, Abdulrahman Ali Sawadi, Yahya Yaqoup Hazazi, Sameer J Oqayshi, Wed AY Ayash, Essa Ibrahim Al Essa, Abdulaziz Ismail Shafei, Amjad Hassan Khawaji
    World Journal of Dentistry.2026; 16(11): 1032.     CrossRef
  • Case Study of a Broken Instrument in a Primary Tooth and Literature Review
    Masashi Nakano, Tatsuya Akitomo, Masashi Ogawa, Mariko Kametani, Momoko Usuda, Satoru Kusaka, Chieko Mitsuhata, Ryota Nomura
    Children.2025; 12(2): 149.     CrossRef
  • Neodymium-Doped Yttrium Aluminum Perovskite (Nd:YAP) Laser in the Elimination of Endodontic Nickel-Titanium Files Fractured in Rooted Canals (Part 2: Teeth With Significant Root Curvature)
    Amaury Namour, Marwan El Mobadder, Clément Cerfontaine, Patrick Matamba, Lucia Misoaga, Delphine Magnin , Praveen Arany, Samir Nammour
    Cureus.2025;[Epub]     CrossRef
  • Pattern of endodontic instrument separation and factors affecting its retrieval: a 10-year retrospective observational study in a postgraduate institute
    Velmurugan Natanasabapathy, Aswathi Varghese, Paul Kevin Abishek Karthikeyan, Srinivasan Narasimhan
    Restorative Dentistry & Endodontics.2025; 50(1): e7.     CrossRef
  • Remoção de instrumentos fraturados nos canais radiculares: Desafios, estratégias e perspectivas clínicas
    João Victor da Fonseca Barbosa, Eduardo Kitto Miranda Teixeira , Laura Rodrigues Barbosa, Martinelle Ferreira da Rocha Taranto, Jáder Camilo Pinto
    Research, Society and Development.2025; 14(10): e98141049749.     CrossRef
  • Comparative evaluation of curvature severity of mesiobuccal canals in permanent maxillary 1st molar using multiple complexity risk criteria: A cone-beam computed tomography-based cross-sectional study of central Indian subpopulation
    Mahima Mathur, Suparna Ganguly Saha, Rolly S. Agarwal, Shakti Singh, Manasi Kewlani, Shaurya Sahu
    Endodontology.2025; 37(4): 393.     CrossRef
  • Methods for preventing fragmentation of endodontic instruments: a systematic review
    A. V. Mitronin, D. A. Ostanina, K. A. Archakov, Yu. A. Mitronin
    Endodontics Today.2025; 23(4): 672.     CrossRef
  • Perception of Dental Interns About Intracanal Fracture of Endodontic Instruments in the Central Region of Saudi Arabia: A Cross-Sectional Study
    Abdullah Ahmad A. Aloyouni, Muhammad Atif Saleem Agwan, Saleh Suliman S. Almuzaini, Faris Saleh A. Alqazlan, Abdulaziz Abdulrhman A. Alshumaym, Khalid Abdullah G. Alfuryah
    Journal of Pharmacy and Bioallied Sciences.2024; 16(Suppl 4): S3890.     CrossRef
  • Predictive factors in the retrieval of endodontic instruments: the relationship between the fragment length and location
    Ricardo Portigliatti, Eugenia Pilar Consoli Lizzi, Pablo Alejandro Rodríguez
    Restorative Dentistry & Endodontics.2024;[Epub]     CrossRef
  • Causes and prevention of endodontic file fractures: a review of the literature
    Erkal Damla, Er Kürşat
    Acta Stomatologica Marisiensis Journal.2024; 7(2): 33.     CrossRef
  • PREVALENCE AND ENDODONTIC MANAGEMENT OF SEPARATED INSTRUMENTS INSIDE THE ROOT CANAL
    Cristina Coralia Nistor, Ana Maria Țâncu , Elena Claudia Coculescu , Albu Cristina Crenguta , Stefan Milicescu , Bogdan Dimitriu
    Romanian Journal of Oral Rehabilitation.2024; 16(1): 96.     CrossRef
  • 3,256 View
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  • 4 Web of Science
  • 11 Crossref
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Case Reports
Dental management of patients with X-linked hypophosphatemia
Bin-Na Lee, Hye-Yoon Jung, Hoon-Sang Chang, Yun-Chan Hwang, Won-Mann Oh
Restor Dent Endod 2017;42(2):146-151.   Published online January 6, 2017
DOI: https://doi.org/10.5395/rde.2017.42.2.146
AbstractAbstract PDFPubReaderePub

X-linked hypophosphatemia (XLH) is a hereditary metabolic disease caused by the loss of phosphate through the renal tubules into the urine, and an associated decrease in serum calcium and potassium phosphate. Its dental features include spontaneous dental abscesses that occur in the absence of trauma or dental caries. The aim of this case report was to describe the dental problems of XLH patients and to evaluate limitations in their treatment. A 14 year old male and a 38 year old female with XLH were referred to the Department of Conservative Dentistry for endodontic treatment. The dental findings were periapical abscesses without obvious trauma or caries. Conservative endodontic treatment was performed in teeth with pulp necrosis and abscess. In case 1, the treated teeth showed improvements in bone healing, without clinical symptoms. However, in case 2, the implants and the treated tooth showed hypermobility, and the final restoration was therefore postponed. Early diagnosis, periodic examinations, and communication with the patient's pediatrician are important in the dental management of patients with XLH.

Citations

Citations to this article as recorded by  
  • Oral Features in Children with X-Linked Hypophosphatemic Rickets: An 8-Year Follow-Up Case Report
    Soumaya Kachti, Manel Chalbi, Soumaya Boussaid, Faten Awled Brahim, Mohamed Ali Chemli
    OBM Genetics.2025; 09(02): 1.     CrossRef
  • Targeted Alkaline Phosphatase Therapy Enhances Alveolar Bone Healing in X‐Linked Hypophosphatemia in Mice
    Aonjittra Phanrungsuwan, Bella Donnelly, José Luis Millán, Brian L. Foster
    Journal of Periodontal Research.2025;[Epub]     CrossRef
  • Dental implant considerations in patients with systemic diseases: An updated comprehensive review
    Seyed Ali Mosaddad, Sahar Talebi, Seied Omid Keyhan, Hamid Reza Fallahi, Mohammad Darvishi, Seyedeh Sara Aghili, Narges Tavahodi, Reza Abdollahi Namanloo, Artak Heboyan, Amirhossein Fathi
    Journal of Oral Rehabilitation.2024; 51(7): 1250.     CrossRef
  • Inherited fibroblast growth factor 23 excess
    Kripa Elizabeth Cherian, Thomas Vizhalil Paul
    Best Practice & Research Clinical Endocrinology & Metabolism.2024; 38(2): 101844.     CrossRef
  • Dental abnormalities in rare genetic bone diseases: Literature review
    Eiji Iwata, Shyam Kishor Sah, I‐Ping Chen, Ernst Reichenberger
    Clinical Anatomy.2024; 37(3): 304.     CrossRef
  • Implant Survival in Patients with Chronic Kidney Disease: A Case Report and Systematic Review of the Literature
    Iris Alla, Felice Lorusso, Sergio Alexandre Gehrke, Francesco Inchingolo, Maristella Di Carmine, Antonio Scarano
    International Journal of Environmental Research and Public Health.2023; 20(3): 2401.     CrossRef
  • X-linked hypophosphatemic rickets: Orthodontic considerations and management. A case report
    Clara Gibson, Suhaym Mubeen, Robert Evans
    Journal of Orthodontics.2022; 49(2): 205.     CrossRef
  • X-chromosomale Hypophosphatämie (XLH)/Phosphatdiabetes – Eine lebenslange Erkrankung
    Adalbert Raimann, Roland Kocijan, Gabriel T. Mindler
    Journal für Klinische Endokrinologie und Stoffwechsel.2022; 15(2): 63.     CrossRef
  • Dental Manifestations and Oral Management of X-Linked Hypophosphatemia
    Rena Okawa, Kazuhiko Nakano
    Endocrines.2022; 3(4): 654.     CrossRef
  • Prospective Analysis of Muscle Adiposity in Children With X-linked Hypophosphatemic Rickets vs Control Children
    Virginie Nguyen-Khac, Aurore Bonnet-Lebrun, Agnès Linglart, Marine de Tienda, Jugurtha Berkenou, Inès Mannes, Catherine Adamsbaum, Philippe Wicart, Wafa Skalli
    Journal of the Endocrine Society.2022;[Epub]     CrossRef
  • Dental and periodontal features and management in XLH children and adults
    Martin Biosse Duplan, Elvire Le Norcy, Frédéric Courson, Catherine Chaussain
    International Journal of Bone Fragility.2021; 1(2): 74.     CrossRef
  • Hiding in plain sight: Gene panel and genetic markers reveal 26-year undiagnosed tumor-induced osteomalacia of the rib concurrently misdiagnosed as X-linked hypophosphatemia
    Juan M. Colazo, Joseph A. DeCorte, Erin A. Gillaspie, Andrew L. Folpe, Kathryn M. Dahir
    Bone Reports.2021; 14: 100744.     CrossRef
  • X-linked hypophosphatemia and burosumab: Practical clinical points from the French experience
    Justine Bacchetta, Anya Rothenbuhler, Iva Gueorguieva, Peter Kamenicky, Jean-Pierre Salles, Karine Briot, Agnès Linglart
    Joint Bone Spine.2021; 88(5): 105208.     CrossRef
  • Presentation and non‐surgical endodontic treatment of two patients with X‐linked hypophosphatemia: a case report
    H. Bradley, A. Dutta, R. Philpott
    International Endodontic Journal.2021; 54(8): 1403.     CrossRef
  • Periodontal status evaluation in adolescents with hereditary rickets-like diseases
    E.V. Vislobokova, L.P. Kiselnikova, D.A. Lezhnev, S.S. Murtazaev, N.A. Sholokhova
    Stomatologiya.2021; 100(6): 63.     CrossRef
  • Diagnosis, treatment-monitoring and follow-up of children and adolescents with X-linked hypophosphatemia (XLH)
    Anya Rothenbuhler, Dirk Schnabel, Wolfgang Högler, Agnès Linglart
    Metabolism.2020; 103: 153892.     CrossRef
  • Long-term outcomes for Asian patients with X-linked hypophosphataemia: rationale and design of the SUNFLOWER longitudinal, observational cohort study
    Takuo Kubota, Seiji Fukumoto, Hae Il Cheong, Toshimi Michigami, Noriyuki Namba, Nobuaki Ito, Shin Tokunaga, Yoshimi Gibbs, Keiichi Ozono
    BMJ Open.2020; 10(6): e036367.     CrossRef
  • X-Linked Hypophosphatemic Rickets Manifesting as Sclerotic Bone Disease and Enthesopathy
    Hiya Boro, Shailendra Singh Naik, Charandeep Singh, Saurav Khatiwada, Rajesh Khadgawat
    Cureus.2020;[Epub]     CrossRef
  • X-linked hypophosphatemia diagnosed after identification of dental symptoms
    Kaoruko Wato, Rena Okawa, Saaya Matayoshi, Yuko Ogaya, Ryota Nomura, Kazuhiko Nakano
    Pediatric Dental Journal.2020; 30(2): 115.     CrossRef
  • X-Linked Hypophosphatemia: A New Era in Management
    Kathryn Dahir, Mary Scott Roberts, Stan Krolczyk, Jill H Simmons
    Journal of the Endocrine Society.2020;[Epub]     CrossRef
  • Prosthetic rehabilitation of a patient with X-linked hypophosphatemia using dental implants: a case report and review of the literature
    Martin James, Reza Vahid Roudsari
    International Journal of Implant Dentistry.2019;[Epub]     CrossRef
  • Oral symptoms and oral health-related quality of life of individuals with x-linked hypophosphatemia
    Marcel Hanisch, Lauren Bohner, Martin M. I. Sabandal, Johannes Kleinheinz, Susanne Jung
    Head & Face Medicine.2019;[Epub]     CrossRef
  • Outcome of adult patients with X‐linked hypophosphatemia caused by PHEX gene mutations
    Douglas Chesher, Michael Oddy, Ulpee Darbar, Parag Sayal, Adrian Casey, Aidan Ryan, Annalisa Sechi, Charlotte Simister, Aoife Waters, Yehani Wedatilake, Robin H. Lachmann, Elaine Murphy
    Journal of Inherited Metabolic Disease.2018; 41(5): 865.     CrossRef
  • 2,895 View
  • 15 Download
  • 23 Crossref
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Management of separated file in the root canal
Hye-Jeong Kim, Hoon-Sang Jang, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim
J Korean Acad Conserv Dent 2006;31(3):161-168.   Published online May 31, 2006
DOI: https://doi.org/10.5395/JKACD.2006.31.3.161
AbstractAbstract PDFPubReaderePub

During root canal preparation procedures, the potential for instrument separation is always present. Files, a lentulo, a Gates-Glidden (GG) bur or any manufactured obstruction can be left behind in the canal. Nickel-titanium (NiTi) rotary files are in common usage in these days. Despite their undeniable advantages, there is a potential risk of separation within the canals. It is very rapid, unpredictable, and creates a great deal of stress for the practitioner.

When an endodontic instrument separates, the best option is to remove it. Ultrasonic instruments and microscopes have improved the success rate for removing separated instruments. But it is difficult and not always possible. Therefore prevention is the key.

In this case report, several management methods of separated file in the canal are presented.

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Original Article
The development of KACD(korean academy of conservative dentistry) online article contribution management system based on KISTI-ACOMS
Jae-Won Park, Mu-Yeong Kang
J Korean Acad Conserv Dent 2003;28(6):504-510.   Published online November 30, 2003
DOI: https://doi.org/10.5395/JKACD.2003.28.6.504
AbstractAbstract PDFPubReaderePub

Societies are important sources of new information for users. However, most of these societies still rely on traditional, or rather ancient methods for gathering and servicing the information. Furthermore, most of the societies are trying to electrify processes such as managing members and paper submission as well as the process managing the information for service but are limited due to financial and technical reasons. Therefore, KISTI(Korea Institute of Science and Technology Information) has developed the 『KISTI-ACOMS(KISTI-Article COntribution Management System)』as part of the national project for automating the process of processing academic information by societies, in order to convert journals published by academic societies in Korea into an electronic form and make them accessible on the Internet. This system has been developed in the year 2001 and has since been distributed to societies free of charge.

The number of societies requesting the service has risen recently, which prompted us to take more recommendations of the societies that adopt this system into account in expanding and standardizing the area of service being provided by the system.

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