Clinical and radiographic changes around dental implants inserted in different levels in relation to the crestal bone, under different restoration protocols, in the dog model

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dc.contributor.authorPontes, Ana Emilia F.
dc.contributor.authorRibeiro, Fernando S.
dc.contributor.authorda Silva, Vanessa C. [UNESP]
dc.contributor.authorMargonar, Rogerio
dc.contributor.authorPiattelli, Adriano
dc.contributor.authorCirelli, Joni Augusto [UNESP]
dc.contributor.authorMarcantonio, Ecio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionEduc Fdn Barretos
dc.contributor.institutionIntegrated Fac Santa Fe Sul
dc.contributor.institutionUniv G dAnnunzio
dc.date.accessioned2013-09-30T18:31:43Z
dc.date.accessioned2014-05-20T13:45:20Z
dc.date.available2013-09-30T18:31:43Z
dc.date.available2014-05-20T13:45:20Z
dc.date.issued2008-03-01
dc.description.abstractBackground: The aim of the present study was to evaluate clinical and radiographic changes that occur around dental implants inserted in different levels in relation to crestal bone under different restoration protocols.Methods: Thirty-six implants were inserted in the edentulous mandible of six mongrel dogs. Each implant was assigned to an experimental group according to the distance from the top of the implant to the crestal bone: Bone Level (at crestal bone level), Minus 1 (1 mm below crestal bone), or Minus 2 (2 mm below crestal bone). Each hemimandible was submitted to a restoration protocol: conventional (prosthesis was installed 120 days after implant placement, including 30 days with healing cap) or immediate (prosthesis was installed 24 hours after implant placement). Fixed partial prostheses were installed bilaterally in the same day. After 90 days, clinical and radiographic parameters were evaluated.Results: As long as the implants were inserted in more apical positions, the first bone-to-implant contact (fBIC) was positioned more apically (P<0.05). However, the apical positioning of the implants did not influence the ridge loss or the position of the soft tissue margin (PSTM) (P>0.05). In addition, in immediately restored sites, the PSTM was located significantly more coronally than that in conventionally restored sites (P=0.02).Conclusions: Despite the more apical positioning of the fBIC, the height of the peri-implant soft tissues and ridge was not jeopardized. Moreover, the immediate restoration protocol was beneficial to the maintenance of the PSTM. Further studies are suggested to evaluate the significance of these results in longer healing periods.en
dc.description.affiliationSão Paulo State Univ, Sch Dent Araraquara, Dept Periodontol, BR-14801093 Araraquara, SP, Brazil
dc.description.affiliationEduc Fdn Barretos, Sch Dent, Barretos, SP, Brazil
dc.description.affiliationIntegrated Fac Santa Fe Sul, Sch Dent, Santa Fe do Sul, SP, Brazil
dc.description.affiliationUniv G dAnnunzio, Sch Dent, Chieti, Italy
dc.description.affiliationUnespSão Paulo State Univ, Sch Dent Araraquara, Dept Periodontol, BR-14801093 Araraquara, SP, Brazil
dc.format.extent486-494
dc.identifierhttp://dx.doi.org/10.1902/jop.2008.070145
dc.identifier.citationJournal of Periodontology. Chicago: Amer Acad Periodontology, v. 79, n. 3, p. 486-494, 2008.
dc.identifier.doi10.1902/jop.2008.070145
dc.identifier.issn0022-3492
dc.identifier.lattes2628593693450121
dc.identifier.urihttp://hdl.handle.net/11449/15943
dc.identifier.wosWOS:000253923700013
dc.language.isoeng
dc.publisherAmer Acad Periodontology
dc.relation.ispartofJournal of Periodontology
dc.relation.ispartofjcr3.392
dc.relation.ispartofsjr1,408
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectanimal studiesen
dc.subjectdental implantsen
dc.subjectestheticsen
dc.subjectmodelsen
dc.subjectanimalen
dc.subjectprosthesisen
dc.subjectradiographyen
dc.titleClinical and radiographic changes around dental implants inserted in different levels in relation to the crestal bone, under different restoration protocols, in the dog modelen
dc.typeArtigo
dcterms.licensehttp://www.joponline.org/page/permissionRequests.jsp
dcterms.rightsHolderAmer Acad Periodontology
unesp.author.lattes2628593693450121
unesp.author.orcid0000-0003-4237-7271[1]
unesp.author.orcid0000-0002-7082-9290[6]
unesp.author.orcid0000-0003-1294-2305[7]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt

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