Root and canal morphology of maxillary premolars and their relationship with the crown morphology

To investigate the relationship between crown/root size and root/canal morphology of maxillary premolars. One hundred and thirty-three first (P1) and 110 second (P2) maxillary premolars were used. Mesiodistal and buccolingual diameters and root heights of P1 and P2 were recorded to the nearest 0.01 ...

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Bibliographic Details
Published in:Journal of oral biosciences 2022-03, Vol.64 (1), p.148-154
Main Authors: Peiris, Roshan, Arambawatta, Kapila, Pitakotuwage, Nilmini
Format: Article
Language:English
Subjects:
Canal morphology
Crown size
Maxillary premolars
Root morphology
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Summary:To investigate the relationship between crown/root size and root/canal morphology of maxillary premolars. One hundred and thirty-three first (P1) and 110 second (P2) maxillary premolars were used. Mesiodistal and buccolingual diameters and root heights of P1 and P2 were recorded to the nearest 0.01 mm. The number of single and multi-rooted premolars was recorded based on the Turner's classification. Root canal morphology was studied using a clearing technique with Vertucci's classification. Pearson's correlation coefficient was used to analyze the relationship between tooth size and root/canal morphology. Two-rooted P1 was found in 33.9% of male and 22.5% of female. P2 showed a single root in 85.4% of male and 82.6% of female. In case of P1, the number of root canals (P
ISSN:1349-0079
DOI:10.1016/j.job.2021.12.004