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Intentional replantation of a mandibular canine with multiple iatrogenic endodontic complications.

Teeth being exposed to multiple iatrogenic complications during root canal treatment are usually extracted and replaced with a dental implant. This case report presents the treatment of a mandibular canine that had multiple endodontic complications using an intentional replantation technique. The case was showing swelling and pain, unusual canal anatomy, periapical lesion, broken instruments, and root perforation in association with overfilling. After extraction of the root, the resected root end and perforation were sealed using mineral trioxide aggregate. The root was replanted extrusively, fixed and restored with a crown. Appearances of slowly progressing replacement resorption were detected radio graphically at 6-, 12- and 24-month recalls. The tooth was functioning successfully without showing clinical symptoms at 6-, 12-and 24-month recalls.