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VOLUME 3 , ISSUE 3 ( September-December, 2015 ) > List of Articles

Original Article

Root Canal Morphology of Mandibular Premolars in North Indian Population Using Tooth Clearing Technique — An In Vitro Study

Gurkirat Singh Grewal, Ajay Chhabra, Varun Jindal, Simran Pal Singh Bindra, Vandana Chhabra, Damanpreet

Keywords : Mandibular Premolars, Root Canal, Morphology, Vertucci's Classification, Tooth Clearing

Citation Information : Grewal GS, Chhabra A, Jindal V, Bindra SP, Chhabra V, Damanpreet. Root Canal Morphology of Mandibular Premolars in North Indian Population Using Tooth Clearing Technique — An In Vitro Study. 2015; 3 (3):140-147.

DOI: 10.1055/s-0038-1672029

License: NA

Published Online: 11-01-2016

Copyright Statement:  NA


Abstract

Aim: The aim of this study was to investigate the root canal morphology of mandibular premolars in Northern region of India using adecalcification and clearing technique. Method: Three hundred extracted human mandibular premolars, collected from dental clinics within North India were selected for this study. Following pulp tissue removal, India ink was injected into the root canals and the teeth were decalcified with 5% nitric acid, dehydrated with ascending concentrations of alcohol and rendered clear by immersion in methyl salicylate. Cleared teeth were examined under 5X magnification and the following features were evaluated: (i) number and type of root canals; (ii) presence and location of lateral canals and; (iii) location of apical foramina. Results: 84.2% of the specimens exhibited Type I canal pattern. Type VIII was not observed in any of the specimens. The lateral canals were in the apical third in 78.7% of the specimens followed by middle third in 16.5% and the cervical third in 4.7%. 82.7%of the specimens showed lateral position of the apical foramen. Conclusion: Mandibular premolar teeth present a wide variety of radicular features, with one root and one canal being found in majority of the cases. An accurate knowlegde of the morphology of the root canal is essential for proper diagnosis and successful treatment of endodontic cases.

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