Cutaneous sinus tracts of dental origin to the chin and cheek: case reports.

Cutaneous sinus tract of dental origin is the most common among the many types of sinus tracts that are formed on the face and neck. Because these lesions are often diagnosed incorrectly, they are also treated ineffectively. Cases of cutaneous sinus tract on the chin and cheek are presented, and a simple way to diagnose this lesion is described. In both patients, the lesion was completely resolved following nonsurgical endodontic therapy.