cutaneous sinus tract of dental origin is a pathological way that initiates in endobuccal area and exits in the cutaneous surface. It is a complication of a pulp necrosis, commonly misdiagnosed due to the rarity of occurrence and the lack of symptoms. The periapical infection spreads following the path of least resistance and breakthrough the skin to form draining sinus tracts. The aim of this paper is to describe through two cases the conservative approach of cutaneous sinus tract of dental origin. Case report: Two female patients referred to our department with a chronically draining cutaneous lesion. Clinical and radiologic examination confirmed the dental origin of the lesion. Thus, an endodontic treatment was performed. few months later the lesion is totally healed. Conclusion: The interdisciplinary consultation is the key of successful treatment of cutaneous sinus tract and may avoid misdiagnosis. The endodontic approach seems the treatment of choice and offer long term success.

Keywords : Cutaneous sinus tract, dental origin, endodontic treatment