Abstract
Progressive hemifacial atrophy (PHA) is a rare disorder characterized by acquired unilateral facial atrophy. This disease mainly affects the skin and the craniofacial tissue below forehead. It also involves dermatomes of the fifth cranial nerve. Atrophy of subcutaneous tissue, fat, muscle and osseocartilaginous structures were seen. It resulted in a sunken hemifacial appearance. Although epidermal cutaneous tissue was minimally involved, the tongue, gingiva, teeth, and palate may also be affected. The purpose of this study is to report a case of progressive hemifacial atrophy in a patient taking immunosuppressive drugs after implant and sinus graft surgery.
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