Morphometric Analysis of the Upper Premolars
Journal Title: Acta Facultatis Medicae Naissensis - Year 2016, Vol 33, Issue 1
Abstract
Morphological and anatomical characteristics of the tooth are of great importance for clinical dentistry. These aspects of the tooth can be better conceptualized from the perspective of external and internal morphology of dental crowns and roots. The aim of this study was to determine the average total length of the upper first and second premolars, the average length of crowns, the average length of roots and to determine the most common number of the roots and root canals of these teeth. We used 41 first and 48 second extracted upper premolars.The length of these teeth was measured by a digital micrometer. The number of roots was determined visually, and each tooth was longitudinally dissected across the vestibular-palatal plane for determining the number of root canals. The average total length of the upper first premolars was 22.5 mm, the average crown length was 8.8 mm, the mean root length was 13.7 mm. The upper first premolars usually have two roots in 53.7% and two root canals in 82.9%. The average total length of the upper second premolars was 22.5 mm. The average crown length was 8.4 mm and the mean root length was 14.1 mm. The upper second premolars usually have one root in 89.6% and one root canal in 79.2%. The determined average values of the length of these teeth and the length of their crowns and roots were similar to the values of the same population reported by other authors.
Authors and Affiliations
Nenad Stošić, Stefan Dačić, Marina Ranđelović, Andrijana Jovančić, Ivana Đorđević, Maja Cvetković, Dušan Ilić, Aleksandra Petrović, Dragica Dačić Simonović
Keywords
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- EP ID EP133312
- DOI 10.1515/afmnai-2016-0003
- Views 112
- Downloads 0
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