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Volume 33 , Issue 5
September/October 2013
Pages 689–696

Nondecalcified Histologic Study of Bone Response to Titanium Implants Topographically Modified by Laser With and Without Hydroxyapatite Coating

Karin E. Sisti, PhD/Adriano Piattelli, PhD/Antonio C. Guastaldi, PhD/Thallita P. Queiroz, PhD/Rafael de Rossi, PhD

PMID: 23998165
DOI: 10.11607/prd.1151

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. (Int J Periodontics Restorative Dent 2013;33:689–696. doi: 10.11607/prd.1151)

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