Osteoma is a slow-growing, benign and uncommon neoplasm located primarily in the región of the maxillofacial skeleton. An osteoma on the coronoid process is exceedingly rare. Here, we report a case of osteoma occurring in the pterygomandibular space in a 35-year-old woman. Clinical examination reveal facial asymmetry and difficulty in mouth opening, and the regional lymph nodes were non-palpable. CT images revealed well-circumscribed dense, radiopaque masses located coronoid process.we present a Aesthetic facial correction for this cases.
