Progression of experimental chronic peri-implantitis in dogs: Clinical and radiographic evaluation

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dc.contributor.authorMartins, M. C.
dc.contributor.authorShibli, J. A.
dc.contributor.authorAbi-Rached, RSG
dc.contributor.authorMarcantonio, E.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionGuarulhos Univ
dc.date.accessioned2014-02-26T17:22:46Z
dc.date.accessioned2014-05-20T13:45:06Z
dc.date.available2014-02-26T17:22:46Z
dc.date.available2014-05-20T13:45:06Z
dc.date.issued2005-08-01
dc.description.abstractBackground: the aim of this study was to evaluate the progression of experimental peri-implantitis in dogs using implants with different surface coatings.Methods: Thirty-six dental implants with four different surface coatings, commercially pure titanium (cpTi), titanium plasma-sprayed (TPS), hydroxyapatite (HA), and acid-etched (AE), were placed in six mongrel dogs. Five months after implantation, peri-implantitis was induced by cotton ligatures to facilitate plaque accumulation for 60 days. After 60 days, the ligatures were removed and supragingival plaque control was initiated for 12 months. Probing depth (PD), clinical attachment level (CAL), vertical bone level (VBL), horizontal bone level (HBL), and mobility were obtained at baseline, and 20, 40, 60 (acute phase), and 425 days (chronic phase) after ligature removal.Results: PD and CAL changed around all implant surfaces after ligature placement (P < 0.0001). However, the means of PD and CAL were not statistically significant among the different surfaces (P > 0.05). The range of CAL variation, calculated between baseline and 60 days (acute phase) and between 60 and 425 days (chronic phase), decreased (P < 0.05). Bone loss increased during the entire experiment (P < 0.0001). The HA surface showed the greatest bone loss measurement (5.06 +/- 0.38 mm) and the TPS showed the smallest bone loss (4.27 +/- 0.62 mm). However, statistical significance was not assessed for different coatings (P > 0.05).Conclusions: the clinical data at the initial phase showed rapid and severe peri-implant tissue breakdown. However, removal of ligatures did not convert the acute destructive peri-implant phase to a non-aggressive lesion and the progression of peri-implantitis was observed at chronic phase. The,experimental peri-implantitis in dogs may be a useful model to evaluate the progression of peri-implantitis.en
dc.description.affiliationUNESP, Dent Sch Araraquara, Dept Periodontol, BR-14801903 Araraquara, SP, Brazil
dc.description.affiliationGuarulhos Univ, Dent Res Div, Dept Periodontol, Guarulhos, SP, Brazil
dc.description.affiliationUnespUNESP, Dent Sch Araraquara, Dept Periodontol, BR-14801903 Araraquara, SP, Brazil
dc.format.extent1367-1373
dc.identifierhttp://dx.doi.org/10.1902/jop.2005.76.8.1367
dc.identifier.citationJournal of Periodontology. Chicago: Amer Acad Periodontology, v. 76, n. 8, p. 1367-1373, 2005.
dc.identifier.doi10.1902/jop.2005.76.8.1367
dc.identifier.issn0022-3492
dc.identifier.urihttp://hdl.handle.net/11449/15840
dc.identifier.wosWOS:000231400800019
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 studiespt
dc.subjectdental implants/adverse effectspt
dc.subjectdental implants/complicationspt
dc.subjectfollow-up studiespt
dc.subjectperi-implant diseases/prevention and controlpt
dc.titleProgression of experimental chronic peri-implantitis in dogs: Clinical and radiographic evaluationen
dc.typeArtigo
dcterms.licensehttp://www.joponline.org/userimages/ContentEditor/1124388816475/Instructions_to_Authors.pdf
dcterms.rightsHolderAmer Acad Periodontology
unesp.author.orcid0000-0003-1294-2305[4]
unesp.author.orcid0000-0003-1971-0195[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt

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