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Prevalence of root dilaceration in adult dental patients in Croatia.

Malcić A, Jukić S, Brzović V, Miletić I, Pelivan I, Anić I

Department of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, Gundulićeva 5, 10000 Zagreb, Croatia. malcic@sfzg.hr

OBJECTIVE: To determine the prevalence and distribution of dilaceration in all tooth groups by using radiographs. STUDY DESIGN: The sample included 953 periapical intraoral radiographs and 488 panoramic radiographs from different caucasian patients. The ages of the patients ranged from 18-65 years. Dilaceration of the root was detected by measuring the degree of deviation from the long axis (deviation ł 90 degrees), and evaluating the "bull's eye" appearance. The prevalence of root dilaceration for each tooth-type was expressed in percentages. RESULTS: The teeth showing the highest prevalence of root dilaceration were mandibular third molars (24.1%), maxillary first molars (15.3%), second molars (11.4%) and third molars (8.1%). In the mandible, dilacerations were less common than in the maxilla. CONCLUSIONS: In the adult population examined in Croatia, dilaceration was most frequently found to affect posterior teeth.

Published 11 July 2006 in Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 102(1): 104-9.
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