title: Repair of furcal perforations with mineral trioxide aggregate: two case reports.
abstract: Furcal perforation is an unfortunate incident that can occur during root canal therapy or post preparation of multirooted teeth. Studies have shown that the materials currently used to repair these iatrogenic accidents are inadequate. The poor prognosis of furcation perforations is probably due to bacterial leakage or lack of biocompatibility of repair materials. On the basis of the recent physical and biologic property studies of the newly introduced mineral trioxide aggregate, this material may be suitable for closing the communication between the pulp chamber and the underlying periodontal tissues. These case reports support this hypothesis.
authors.affiliation: Department of Continuing Education, Indiana University, Indianapolis, USA.
authors.forename: D E
authors.initials: DE
authors.lastname: Arens
authors.forename: M
authors.initials: M
authors.lastname: Torabinejad
mesh_terms: D000293:Adolescent; D017607:Aluminum Compounds / Q000627:therapeutic use*; D017610:Calcium Compounds / Q000627:therapeutic use*; D004338:Drug Combinations; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010087:Oxides / Q000627:therapeutic use*; D011176:Post and Core Technique / Q000009:adverse effects* / Q000295:instrumentation; D019233:Retreatment; D012387:Root Canal Filling Materials / Q000627:therapeutic use*; D018915:Root Canal Preparation / Q000009:adverse effects* / Q000295:instrumentation; D017640:Silicates / Q000627:therapeutic use*; D018677:Tooth Injuries / Q000628:therapy; D014092:Tooth Root / Q000293:injuries*
chemical_list: D017607:Aluminum Compounds; D017610:Calcium Compounds; D004338:Drug Combinations; D010087:Oxides; D012387:Root Canal Filling Materials; D017640:Silicates; C086631:mineral trioxide aggregate