Necrosis of the gingiva caused by calcium hydroxide: a case report

Case report The present case demonstrates the possible detrimental effect o f an overextension of a calcium hydroxide intracanal dressing into the peri radicular and soft tissue after iatrogenic buccal root perforation of a max illary central incisor. At first this perforation was not recognized by the dentist, which resulted in the introduction of a large amount of nonsettin g calcium hydroxide paste under the gingival tissues through a dehiscence o n the buccal side of the root. This report describes the consequences and m anagement of the necrosis of the buccal gingiva and mucosa, and the subsequ ent treatment and follow-up of the root perforation.