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Endodontic retreatment strategies used by general dental practitioners.

Journal article
Authors Thomas Kvist
Gunnar Heden
Claes Reit
Published in Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics
Volume 97
Issue 4
Pages 502-7
ISSN 1079-2104
Publication year 2004
Published at Institute of Odontology, Department of Endodontology/Oral Diagnosis
Pages 502-7
Language en
Keywords Adult, Aged, Decision Making, Dentist's Practice Patterns, Female, General Practice, Dental, Humans, Male, Middle Aged, Periapical Diseases, therapy, Post and Core Technique, Retreatment, Root Canal Filling Materials, standards, Root Canal Obturation, Root Canal Therapy, methods, Statistics, Nonparametric, Sweden, Treatment Failure
Subject categories Dentistry


PURPOSE: Root-filled teeth with persistant periapical radiolucencies are often classified as endodontic failures. Studies have shown that general dental practitioners (GDP) do not consistantly suggest retreatment of "failures." The "Praxis Concept" (PC) theory hypothesizes that dentists conceive periapical health and disease as different states on a continuum. This study examined endodontic retreatment concepts among 157 GDPs from Värmland, Sweden. STUDY DESIGN: In 6 simulated cases the periapical condition, quality of root filling and presence of a root canal-retained post were systematically varied. Five options were offered: no therapy, wait and see, nonsurgical retreatment, surgical retreatment, and extraction. RESULTS: The investigation showed large interindividual variation in retreatment behavior among the GDPs. Only 9 dentists (6%) where found to repeatedly suggest retreatment of endodontic failures. A majority of GDPs (79%) performed in accordance with PC. CONCLUSIONS: The data indicate that several retreatment decision rules are used by Swedish GDPs, but PC-derived strategies attract the majority.

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