Abstract
Presenting a case of 16 years old male with a sub lingual swelling causing discomfort in deglutition and speech is reported in this case report. The swelling had displaced the tongue cranially Sublingual dermoid cyst is a very rare lesion occurring in oral and maxillofacial area. Epidermoid and dermoid cysts represent less than 0.01% of all oral cavity cysts. The pathology was diagnosed as sub lingual dermoid cyst by histopathological examination. It was completely excised through an intra-oral approach. Post-operatively normal functions of tongue were restored.