Suitability of differently designed matrix-based implant surface coatings: an animal study on bone formation.

Introduction: The aim of the present study was to assay how bone formation around dental implants is influenced by differently composed collagen matrices and RGD peptide as implant surface coatings compared to a sandblasted titanium surface. Material and Methods: Five different implant surface coatings were designed: titanium (sandblasted), collagen type I, collagen type II however, significant differences between the coatings could not be found. Conclusion: Osseointegration was achieved for all implant surfaces. Although a statistically significant increase in BIC could not be demonstrated for the experimental coatings after the 6 months study period, there was also no discernible detrimental effect of the coatings in comparison to the uncoated titanium surfaces. © 2008 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2008