期刊
ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY
卷 116, 期 5, 页码 550-555出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.oooo.2013.07.001
关键词
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资金
- Intra-Lock International, Inc, Boca Raton, FL, USA
Objective. This study evaluated the effect of drilling speed on early bone healing in dog tibiae. Study Design. Thirty-six implants (4.0-mm diameter x 10-mm length) were placed in the proximal tibiae of 6 beagles with drilling speeds of 100, 500, and 1000 rpm, and insertion torque was recorded. Bone-to-implant contact (BIC) and bone area fraction occupancy (BAFO) were evaluated. Results. Significant increase from 1 to 3 weeks was observed for all groups for BIC, whereas no significant differences between 1 and 3 weeks were detected for the 100- and 500-rpm groups for BAFO (P > .34 and P > .46, respectively). A significant difference from 1 to 3 weeks was observed for the 1000-rpm group (P < .03). The 100- and 500-rpm groups presented significantly higher BAFO than the 1000-rpm group at 1 week (P = .002). Conclusions. Drilling speed is one of the decisive factors for early osseointegration, and overall, drilling at 1000 rpm seemed to yield the strongest biologic responses.
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