Nondecalcified histologic study of bone response to titanium implants topographically modified by laser with and without hydroxyapatite coating
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2013-01-01
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Sisti, Karin E.
Piattelli, Adriano
Guastaldi, Antonio C. [UNESP]
Queiroz, Thallita P.
De Rossi, Rafael
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The purpose of this study was nondecalcified histologic analysis of titanium implants modified by laser with and without hydroxyapatite. Implants with three modified surfaces were inserted into rabbit tibias: group 1, machined surface; group 2, irradiated (laser); and group 3, irradiated and hydroxyapatite coated (biomimetic method). The mean surface roughness (Ra) scores of groups 2 and 3 were higher than that of group 1. Boneimplant contact measurements at 30 and 60 days for groups 2 and 3 were higher than for group 1. Bone area at 30 and 60 days for group 2 was higher than for groups 1 and 3. Titanium implants modified by laser with and without hydroxyapatite exhibit increased early osseointegration. © 2013 by Quintessence Publishing Co Inc.
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International Journal of Periodontics and Restorative Dentistry, v. 33, n. 5, p. 689-696, 2013.