A cyst is an epithelium lined pathologic space. Cysts can be encountered in any part of the body and are relatively more common in head and neck region. Epithelial-lined jaw cysts, also known as odontogenic cysts, which are probably the most common destructive lesions of the jaw bones. These entities can be categorised as developmental and inflammatory in origin. Recent studies focus on the importance of epithelial mesenchymal interactions in the growth of the odontogenic cysts and it has been suggested that stroma is essential and responsible for maintaining the epithelial tissues. Both...