When untreated, the preceding endodontally and periodontal disease inevitably leads to loss of tooth. The patients ' growing desire to retain their dentition has led to the development of the hemisection procedure. It is a useful alternative to extraction, removal or fixed partial denture to save the multi-rooted tooth with periodontal, endodontic, restorative, or prosthetic complications. Hemisection refers to removal or separation of root with its associated crown portion of two-rooted teeth, most commonly mandibular molars. This article reports case of a retreatment of tooth followed by hemisection and prosthesis.
Keywords: Endo-perio lesion, hemisection, mandibular molar.