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Volume 7 , Issue 4
Winter 1992

Pages 491-496

Histomorphometry of Bone Apposition Around Three Types of Endosseous Dental Implants

Michael Weinlaender, MD, DDS/Ernest Barrie Kenney, BDSc, DDS, MS, FRACDS/Voja Lekovic, DDS, PhD/John Beumer, III, DDS, MS/Peter K. Moy, DMD/Steven Lewis, DMD

PMID: 1299645

Three different types of commercially available dental implants (Nobelpharma, IMZ, and Integral) were implanted in the edentulous mandibles of seven adult mongrel dogs. Twenty-one implants were harvested with block sections after 12 weeks and embedded in polymethyl methacrylate resin. Undecalcified sections were prepared with the sectioning-grinding technique. The percentage of bone contacting the implant surface was measured with a self-designed histomorphometry method using a millimeter grid in a stereomicroscope. The results demonstrated a significantly higher percentage of bone along the hydroxyapatite-coated implant than that seen with the titanium-surfaced implant types. (INT J ORAL MAXILLOFAC IMPLANTS 1992;7:491496.)

Key words: experimental study, histomorphometry implant surface, machined commercially pure titanium, plasma flame-sprayed hydroxyapatite, plasma flame-sprayed titanium

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