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The International Journal of Oral & Maxillofacial Implants
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Int J Oral Maxillofac Implants 8 (1993), No. 2     1. Mar. 1993
Int J Oral Maxillofac Implants 8 (1993), No. 2  (01.03.1993)

Page 191-196


Anatomic Considerations for Preventive Implantation
Denissen, Harry W. / Kalk, Warner / Veldhuis, Hein A. H. / van Waas, Marinus A. J.
The aim of preventive implant therapy is to prevent or delay loss of alveolar ridge bone mass. For use in an anatomic study of 60 mandibles, resorption of the alveolar ridge was classified into four preventive stages: (1) after extraction of teeth; (2) after initial resorption; (3) when the ridge has atrophied to a knife-edge shape; and (4) when only basal bone remains. Implantation in stage 3 necessitates removal of the knife-edge ridge to create space for cylindrical implants. Therefore, implantation in stage 2 is advocated to prevent the development of stage 3. The aim of implantation in stage 4 is to prevent total loss of function of the atrophic mandible.

Keywords: classification, implants, mandible, prevention