Endodontic Management of Radix Entomolaris in Mandibular Second Molar - A Case Report and Ex-Vivo Evaluation

Radix Entomolaris (additional lingual root) is commonly found in mandibular first and third molars. However, its prevalence in second molars is only 23% in Indian population. A thorough knowledge of root canal anatomy and its variations ismandatory for a clinician to successfully treat such cases.The aim of this paper is to report a mandibular second molar featuring three roots, which is a rare clinical entity.Also, an ex vivo evaluation ofextracted second molars exhibiting radix entomolaris was done to have an insight into theirexternal morphology and modifications required in the access cavity preparation to locate the extra canal