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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 9 (1994), No. 5     1. Sep. 1994
Int J Oral Maxillofac Implants 9 (1994), No. 5  (01.09.1994)

Page 541-547

Effects of Bone Tapping on Osseointegration of Screw Dental Implants
Tanaka, Masuko / Sawaki, Yoshihiro / Niimi, Atsushi / Kaneda, Toshio
The effects of implant placement into a pretapped preparation versus non-pretapped preparation on the osseointegration of bone-anchored dental implants were evaluated. Experimentally available implants made of commercially pure titanium were implanted into rabbit mandibles and tibial metaphyses. In the self-tapping group, bone was not tapped prior to implant placement; while in another group, the bone was tapped prior to implant placement. Following implant placement, healing continued for 1, 3, and 6 months, at which time the torque levels required for implant removal were measured. In the mandible there was no statistically significant difference between removal torque for the self-tapping group and that of the tapping group. In the tibia, removal torque for the self-tapping group was statistically significantly lower than that of the tapping group at 3 and 6 months postoperatively.

Keywords: dental implant, osseointegration, removal torque, self-tapping, tapping