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N Z Dent J. 2000 Mar;96(423):18-22.

Implant site development using orthodontic extrusion: a case report.

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Department of Periodontology, School of Dentistry, Temple University, Philadelphia, Pennsylvania 19107, USA.


One of the most important factors in the successful placement of endosseous implants is the presence of adequate alveolar bone at the recipient site. Alveolar bone loss associated with destructive periodontal disease frequently results in osseous defects that may complicate subsequent implant placement. Typically, such defects are treated prior to or at the time of implant surgery using the principles of guided bone regeneration. Under certain circumstances, however, such defects may be managed non-surgically by orthodontic extrusion. Orthodontic extrusion can be used to increase the vertical bone height and volume and to establish a more favourable soft-tissue profile prior to implant placement. The addition, the increase in the vertical osseous dimension at interproximal sites may assist in the preservation of the interdental papillae and can further enhance gingival aesthetics. This report illustrates the treatment sequence for site development with orthodontic extrusion prior to immediate implant placement.

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