Bone-implant contact at calcium phosphate-coated and porous titanium oxide (TiUnite)-modified oral implants.

摘要: BACKGROUND Calcium phosphate (CP)-coated implants are usually referred to as having osteoconductive properties, whereas titanium with a native oxide layer considered less osteoconductive. Often smooth oxides (TOs) compared relatively rough CP structures. The objective of this study was evaluate osteoconduction by comparing bone-implant contact at smooth, highly crystalline coating structured, porous TO (TiUnite)-modified surface. MATERIAL AND METHODS Ten adult Hound Labrador mongrel dogs were used. Four (Nobel Biocare) CP-coated (2) or TO-modified surfaces installed 12 weeks following mandibular premolar and molar teeth extraction. alternated within between jaw quadrants in consecutive animals. Mucosal flaps advanced sutured leaving the submerged position. animals injected fluorescent bone labels 3 4 postsurgery, pre-euthanasia monitor progress formation. euthanized 8 postsurgery block biopsies prepared for histologic histometric analysis. RESULTS There no remarkable differences formation apparent surfaces. However, measured average 71% 57% (P=0.027) implants, respectively. CONCLUSIONS We conclude that surface exhibits properties exceeding One several chemical physical may result along its This indicated crystallinity and/or chemistry be important.