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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 6 (1991), No. 4     1. Dec. 1991
Int J Oral Maxillofac Implants 6 (1991), No. 4  (01.12.1991)

Page 399-404

Histomorphometric Studies of Hydroxylapatite-Coated and Uncoated CP Titanium Threaded Implants in Bone
Gottlander, Magnus / Albrektsson, Tomas
Threaded hydroxylapatite-coated implants of commercially pure (CP) titanium were inserted in the rabbit tibial metaphysis. Uncoated CP titanium screw implants inserted in the contralateral leg served as controls. After 6 weeks and 1 year postinsertion, the semiloaded implants were histomorphometrically analyzed. While not significant, there was more direct bony contact with the hydroxylapatite-coated implants after 6 weeks of follow-up. One year after insertion, there was significantly more direct bone-to-implant contact with the uncoated CP titanium controls.

Keywords: histomorphometry, hydroxylapatite, threaded implants, titanium