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Intrusion of molars with implants as anchorage: a report of two cases
1samurai@katosika.dental-net.jp
Background:
Osseointegrated implants do not move in response to orthodontic loads.
Purpose:
The aim of this study was to describe a method to intrude supra-erupted molars using prosthetic implants as anchorage.
Materials And Methods:
A 51-year-old female and a 36-year-old male were treated with adjacent implants for orthodontic anchorage for supra-erupted teeth in the maxilla (16, 17) and in the mandible (46, 47), respectively. In both cases, the force of intrusion applied was 300 g.
Results:
The therapy was completed without complications or abnormalities of the intruded teeth or anchorage implants. Intrusion required 13 months in the first case and 19 months in the latter.
Conclusion:
The present method makes it possible to secure enough space for prosthodontic therapy at edentulous segments and perform highly reliable implant therapy.