Progressive hemifacial atrophy (Parry-Romberg syndrome) is a slowly pr
ogressing facial atrophy of subcutaneous fat and the wasting oi associ
ated skin, cartilage, and bone. This disorder includes an active progr
essive phase (2 to 10 years) followed by a burning out of the atrophic
process with subsequent stability. This article presents a review of
the literature and a case report with unique dental involvement as a r
esult of this disease process.