Traumatic bone cyst-anterior mandibular region.

Traumatic bone cyst(TBC) is rare cyst .it is also known as FALSE CYST because it does not have epithelial lining. Causes of TBC is unknown , but number of patients have history of prior trauma. It is more common in mandible with slight predilection to male.TBS of the jaws are often polymorphic, show scalloped borders when located between the teeth roots, are devoid of an epithelial lining, and are usually empty or contain blood or a straw-coloured fluid. The numerous synonyms referring to these lesions reflect their uncertain nature (eg , solitary bone cyst, simple bone cyst). Histology usually shows fibrous connective tissue or only bone.