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dc.contributor.authorBonfante, Estevam A.-
dc.contributor.authorGranato, Rodrigo-
dc.contributor.authorMarin, Charles-
dc.contributor.authorSuzuki, Marcelo-
dc.contributor.authorOliveira, Sergio R.-
dc.contributor.authorGiro, Gabriela-
dc.contributor.authorCoelho, Paulo G.-
dc.identifier.citationInternational Journal of Oral & Maxillofacial Implants. Hanover Park: Quintessence Publishing Co Inc, v. 26, n. 1, p. 75-82, 2011.-
dc.description.abstractPurpose: To evaluate the biomechanical fixation, bone-to-implant contact (BIC), and bone morphology of screw-type root-form implants with healing chambers with as-machined or dual acid-etched (DAE) surfaces in a canine model. Materials and Methods: The animal model included the placement of machined (n = 24) and DAE (n = 24) implants along the proximal tibiae of six mongrel dogs, which remained in place for 2 or 4 weeks. Following euthanasia, half of the specimens were subjected to biomechanical testing (torque to interface failure) and the other half were processed for histomorphologic and histomorphometric (%BIC) assessments. Statistical analyses were performed by one-way analysis of variance at the 95% confidence level and the Tukey post hoc test for multiple comparisons. Results: At 4 weeks, the DAE surface presented significantly higher mean values for torque to interface failure overall. A significant increase in %BIC values occurred for both groups over time. For both groups, bone formation through the classic appositional healing pathway was observed in regions where intimate contact between the implant and the osteotomy walls occurred immediately after implantation. Where contact-free spaces existed after implantation (healing chambers), an intramembranous-like healing mode with newly formed woven bone prevailed. Conclusions: In the present short-term evaluation, no differences were observed in BIC between groups; however, an increase in biomechanical fixation was seen from 2 to 4 weeks with the DAE surface. INT J ORAL MAXILLOFAC IMPLANTS 2011;26:75-82en
dc.description.sponsorshipDepartment of Oral and Maxillofacial Surgery at Universidade Federal de Santa Catarina-
dc.publisherQuintessence Publishing Co Inc-
dc.sourceWeb of Science-
dc.subjectanimal studyen
dc.subjectbone-to-implant contacten
dc.subjectdental implantsen
dc.subjectimplant designen
dc.subjectsurface propertiesen
dc.titleEarly Bone Healing and Biomechanical Fixation of Dual Acid-Etched and As-Machined Implants with Healing Chambers: An Experimental Study in Dogsen
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Federal de Santa Catarina (UFSC)-
dc.contributor.institutionTufts Univ-
dc.contributor.institutionUniversidade Federal de Uberlândia (UFU)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv São Paulo, Dept Prosthodont, Bauru Sch Dent, Bauru, Brazil-
dc.description.affiliationUniversidade Federal de Santa Catarina (UFSC), Dept Dent, Florianopolis, SC, Brazil-
dc.description.affiliationTufts Univ, Sch Dent Med, Dept Prosthodont, Boston, MA 02111 USA-
dc.description.affiliationUniversidade Federal de Uberlândia (UFU), Dept Periodontol, BR-38400 Uberlandia, MG, Brazil-
dc.description.affiliationSão Paulo State Univ, Fac Odontol Araraquara, Dept Oral Diag & Surg, São Paulo, Brazil-
dc.description.affiliationNYU, Dept Biomat & Biomimetics, New York, NY USA-
dc.description.affiliationUnespSão Paulo State Univ, Fac Odontol Araraquara, Dept Oral Diag & Surg, São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofInternational Journal of Oral & Maxillofacial Implants-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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