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The International Journal of Oral & Maxillofacial Implants
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Int J Oral Maxillofac Implants 14 (1999), No. 1     15. Feb. 1999
Int J Oral Maxillofac Implants 14 (1999), No. 1  (15.02.1999)

Page 101-107


Five-mm-Diameter Implants without a Smooth Surface Collar: Report on 98 Consecutive Placements
Renouard, Franck / Arnoux, Jean-Pierre / Sarment, David P.
In recent years, indications for endosseous dental implants have been extended to include partially edentulous jaws with areas of limited bone density and bone volume. Wide-diameter implants are particularly well suited for these situations. The purpose of this paper was to report on 98 consecutively placed 5-mm-diameter implants without smooth surface collars. Eight implants failed-6 at second-stage surgery, and 2 after 1 year of loading (91.8% survival rate). Sixty percent of the remaining implants had no thread above the bone level after 1 year of loading. The authors discuss the possible causes for failure and suggest guidelines to avoid failure.

Keywords: bone loss, dental implant, wide diameter