Torque and histomorphometric evaluation of c.p. titanium screws blasted with 25- and 75-?m-sized particles of Al2O3
- 1 February 1996
- journal article
- research article
- Published by Wiley in Journal of Biomedical Materials Research
- Vol. 30 (2), 251-260
- https://doi.org/10.1002/(sici)1097-4636(199602)30:2<251::aid-jbm16>3.0.co;2-p
Abstract
A comparison was made between screw-shaped c.p. titanium implants blasted with either 25- or 75-microns particles of Al2O3. The implant surfaces were investigated with respect to topography and composition before implantation in rabbit bone. Grit blasting with 25- or 75-microns particles produced two different surface roughnesses, but no significant difference in the surface composition for the two surfaces. After 12 weeks insertion time in the rabbit tibia and femur, a higher removal torque and more bone-to-metal contact was found for the implants blasted with 75-microns particles compared with the 25-microns-blasted ones.Keywords
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