Comparisons between Bio-Oss (R) and Straumann (R) Bone Ceramic in immediate and staged implant placement in dogs mandible bone defects

dc.creatorAntunes, AA
dc.creatorNeto, PO
dc.creatorde Santis, E
dc.creatorCaneva, M
dc.creatorBotticelli, D
dc.creatorSalata, LA
dc.date2013
dc.dateFEB
dc.date2014-07-30T14:00:18Z
dc.date2015-11-26T17:48:21Z
dc.date2014-07-30T14:00:18Z
dc.date2015-11-26T17:48:21Z
dc.date.accessioned2018-03-29T00:31:12Z
dc.date.available2018-03-29T00:31:12Z
dc.identifierClinical Oral Implants Research. Wiley-blackwell, v. 24, n. 2, n. 135, n. 142, 2013.
dc.identifier0905-7161
dc.identifierWOS:000313834500003
dc.identifier10.1111/j.1600-0501.2011.02385.x
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/56317
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/56317
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1289064
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionObjective To compare immediate and staged approach implant placement in circumferential defects treated with deproteinized bovine bone mineral (DBBM); hidroxyapatite/tricalcium phosphate (HA/TP); autogenous bone (Ab); and coagulum (Cg); upon implant stability, osseointegration and alveolar crest maintenance. Materials and methods Six dogs underwent extractions of lower premolars, bilaterally. Twelve weeks later four bone defects (6 mm wide/4 mm long) were drilled at one side and randomly filled with DBBM; HA/TP; Ab; and Cg, respectively, and left to heal (staged approach). Eight weeks later one implant (Osseospeed (TM), AstraTech) was placed in experimental sites. At the same session four defects were drilled on contra-lateral side and implants were inserted immediately after biomaterials grafting (immediate approach). Animals were euthanized 8 weeks later. Implant stability was measured by resonance frequency analysis (RFA) at installation and after sacrifice. Ground sections were prepared for bone contact (BIC); bone area (BA); distance implant shoulder-bone crest (IS-C); distance implant shoulder first bone contact (IS-B); and areas occupied by soft tissue. Results The BA and BIC were superior in the staged approach. The Cg exhibited higher BIC and BA as compared with other materials at the total implant body (P = 0.004 and 0.012, respectively). The DBBM, HA/TP and Ab groups rendered similar BA and BIC. The immediate approach resulted in less crest resorption compared to staged approach. The biomaterials did not affect the IS-C and IS-B measurements. Particles area tended to be higher in DBBM group than HA/TP (P = 0.15), while soft tissue infiltrate was higher in DBBM group when used in the immediate approach (P = 0.04). The RFA indicated gain in stability in the staged approach (P = 0.002). The correlation test between RFA vs. BIC and BA demonstrated inferior stability for DBBM group in immediate approach (P = 0.01). Conclusions Implants placed in healed defects resulted in better stability as a consequence of higher BIC and BA. The Cg alone rendered increased BIC compared to other materials in both approaches. Immediate approach should be preferable to staged approach in terms of alveolar crest maintenance. The BIC and BA values did not vary between micro and macro-threads in this experimental model. Implants installed in sites filled with DBBM in immediate approach were less stable.
dc.description24
dc.description2
dc.description135
dc.description142
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionFAPESP [2009/11052-6]
dc.languageen
dc.publisherWiley-blackwell
dc.publisherHoboken
dc.publisherEUA
dc.relationClinical Oral Implants Research
dc.relationClin. Oral Implant. Res.
dc.rightsfechado
dc.rightshttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dc.sourceWeb of Science
dc.subjectanimal experiments
dc.subjectbone implant interactions
dc.subjectbone substitutes
dc.subjectmorphometric analysis
dc.subjectFresh Extraction Sockets
dc.subjectResonance Frequency Measurements
dc.subjectControlled Clinical-trial
dc.subjectHard-tissue Alterations
dc.subjectDental Implants
dc.subjectRidge Alterations
dc.subjectAlveolar Ridge
dc.subjectTitanium Implants
dc.subjectAutogenous Bone
dc.subjectSingle-tooth
dc.titleComparisons between Bio-Oss (R) and Straumann (R) Bone Ceramic in immediate and staged implant placement in dogs mandible bone defects
dc.typeArtículos de revistas


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