Journal
DENTOMAXILLOFACIAL RADIOLOGY
Volume 35, Issue 3, Pages 175-177Publisher
BRITISH INST RADIOLOGY
DOI: 10.1259/dmfr/73909470
Keywords
maxillary first molar; CT; histology; canal configuration; in vitro
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Objectives: The purpose of this study was to investigate a new diagnostic approach to the examination of the canal configuration of the mesiobuccal root of the maxillary first molar. Materials and methods: High-resolution computed tomography (CT) was compared with histology in vitro. There were 152 teeth investigated and classified according to Weine and Vertucci. Results: CT describes the exact canal configuration, verifying information identical to histology, and thus serving as the gold standard in vitro. With regard to canal position, 9 (5.92%) of the teeth examined were Vertucci type 1, 48 (31.58%) were Vertucci type 2, 91 (59.87%) were Vertucci type 4, 1 (0.66%) was Vertucci type 5, 1 (0.66%) was Vertucci type 6. Of the 152 teeth examined, 3 (1.97%) could not be classified using Weine, 2 (1.31%) could not be classified according to either Weine or Vertucci, and no Vertucci types 3, 7 or 8 were identified. Conclusions: CT offers complete information on the number and configuration of root canals. As the root canal configuration of the adult does not change rapidly, CT investigations can be used for multiple subsequent treatments.
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