title: Aluminum oxide ceramic pins for retrograde root filling--experiences with a new system.
abstract: Retrograde root filling is, under certain conditions, the last chance to keep the functional ability of the teeth. With a new method using aluminum oxide ceramic pins for retrograde root filling, we believe that this aim may be achieved with greater success than with other methods. A success rate of 95% (out of a total of 164 teeth) after 1 year is the result of our investigation. The requirements of retrograde root filling are met in a high degree because of the excellent biologic compatibility of the ceramic material and the high marginal tightness with the use of conical pins.
authors.affiliation: Universitätsklinik für Zahn-, Mund- und Kieferheilkunde, Poliklinik für Zahnärztliche Chirurgie und -Röntgenologie, Ulm, Federal Republic of Germany.
authors.forename: U
authors.initials: U
authors.lastname: Keller
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000535:Aluminum; D000537:Aluminum Oxide; D001729:Bismuth; D001861:Bone Regeneration; D003772:Dental Pins; D003776:Dental Porcelain; D004338:Drug Combinations; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011145:Polyvinyls; D012184:Retrograde Obturation / Q000295:instrumentation / Q000379:methods*; D012387:Root Canal Filling Materials; D015034:Zinc Oxide
chemical_list: D004338:Drug Combinations; D011145:Polyvinyls; D012387:Root Canal Filling Materials; D003776:Dental Porcelain; C014457:bismuth phosphate, copolymers of vinyl acetate, dichlorophen, propionyl-acetophenone, triethanolamine, vinyl chloride, vinylisobutyl ether, zinc oxide drug combination; D000535:Aluminum; D000537:Aluminum Oxide; D015034:Zinc Oxide; D001729:Bismuth