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Volume 9 , Issue 5
September/October 1994
Pages 541-547

Effects of Bone Tapping on Osseointegration of Screw Dental Implants

Masuko Tanaka, DDS/Yoshihiro Sawaki, DDS/Atsushi Niimi, DDS, PhD/Toshio Kaneda, DDS, PhD

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. (INT J ORAL MAXILLOFAC IMPLANT 1994;9:541-547)

Key words: dental implant, osseointegration, removal torque, self-tapping, tapping

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