Management of C-shaped root canal configuration in mandibular second molar

Description 

The C-shaped root canal configuration is an anatomical variation of root fusion and a type of taurodontism commonly seen in the mandibular second molar with prevalence ranging from 2.7% to 45.5% in different populations.1 In this configuration, the root canals are connected by slit or web with varying anatomy along the root length which makes thorough debridement obstacle for the clinician.2 Cone-beam CT (CBCT) is a three-dimensional imaging technique that facilitates and improves understanding the complex morphology. This article presents a case of C-shaped root canal configuration of mandibular second molar managed by using CBCT and modification in obturation techniques.

A 40-year-old female patient reported with pain in the lower left back teeth region. Medical history of the patient was unremarkable. Intraoral examination revealed deep class I carious lesion on tooth 37 with tenderness on percussion. Thermal test was performed to check the vitality...

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