soheila darmiani - Assistant professor of Endodontics, Department of Endodontics, Faculty of Dentistry, Birjand University of Medical Sciences, Birjand, Iran.

The Dentigerous cyst which is the most common developmental cyst of the jaw forms around the crown of an unerupted or supernumerary tooth. This case report demonstrates the treatment of a large inflammatory dentigerous cyst caused by an abnormal supernumerary tooth and the subsequent irreversible pulpitis affecting the four maxillary teeth.

Dentigerous Cyst, Maxilla, Pulpitis, Root Canal Therapy, Surgery, Tooth