
Treacher Collins syndrome (TCS) is also known as Franceschetti-zwahlen- klein syndrome is a rare genetic disorder characterised primarily by craniofacial abnormalities such as deafness, hypoplasia of facial bones (malar, maxillary and mandibular bone), antimongoloid slant of palpebral fissure, coloboma of lower eyelid. It was first reported by Allen Thomson in 1846than in 1899 by George AndreasBerry, Edward Treacher Collins in 1900 and in 1949 by Franceschetti-zwahlen- klein. Here we present a case report that describes a clinical and radiographic characteristic of TCS in a 27 years old patient who had reported to our Oral Medicine & Radiology Dept.