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Case Reports
. 2012 Oct;15(4):392-4.
doi: 10.4103/0972-0707.101925.

Root Canal Treatment of a Mandibular Second Premolar With Atypical Canal Pattern

Free PMC article
Case Reports

Root Canal Treatment of a Mandibular Second Premolar With Atypical Canal Pattern

Nitin Kararia et al. J Conserv Dent. .
Free PMC article


To present a unique case of mandibular second premolar with an atypical canal pattern. Thorough knowledge of root canal morphology, appropriate assessment of the pulp chamber floor, and critical interpretation of radiographs are a prerequisite for successful root canal treatment. Mandibular premolars frequently exhibit variable and complex root canal morphology and are one of the most difficult cases to treat endodontically. These teeth may require skillful and special root canal preparation and obturation techniques. This article reports an unusual case of a mandibular second premolar with atypical canal pattern that was successfully treated endodontically.

Keywords: Mandibular premolar; root canal morphology; root canal treatment.

Conflict of interest statement

Conflict of Interest: None declared.


Figure 1
Figure 1
(a) Pre-operative photograph of right mandibular second premolar. (b) Pre-operative radiograph of right mandibular second premolar. Note the atypical canal configuration. (c) .access cavity prepared
Figure 2
Figure 2
(a) Working length-determination radiograph. (b) Immediate post-obturation radiograph. (c) Radiograph after coronal silver-amalgam restoration. (d) Radiograph of left mandibular premolars. Note the atypical canal configuration.

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