Impact of implant–abutment connection on osteoimmunological and microbiological parameters in short implants: a randomized controlled clinical trial

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dc.contributor.authorÖztürk V.Ö.
dc.contributor.authorEmingil G.
dc.contributor.authorBostanci N.
dc.contributor.authorBelibasakis G.N.
dc.date.accessioned2019-10-27T08:03:39Z
dc.date.available2019-10-27T08:03:39Z
dc.date.issued2017
dc.departmentEge Üniversitesien_US
dc.description.abstractObjectives: The study aimed to determine the levels of soluble receptor activator of nuclear factor-?B ligand (sRANKL) and osteoprotegerin (OPG) as well as their relative calculated ratio in peri-implant crevicular fluid (PICF) obtained around two different types of implant–abutment connection on short implants following a 12-month monitoring period. Moreover, the levels of a number of oral bacterial species were investigated in the corresponding submucosal biofilm samples. Materials and methods: Thirty short implants were randomly placed in posterior maxillary edentulous sites using a split-mouth design in 15 periodontally healthy subjects. Tapered interference fit (TIF) and taper-integrated screwed-in (TIS) types of implant–abutment connections were selected for investigation. PICF and submucosal biofilm samples were collected 1 month after surgery and repeated 12 months after prosthetic loading. Clinical parameters, including probing depth, dichotomous presence of bleeding on probing, and plaque index, were recorded and digital periapical radiographs were taken at each time point. sRANKL and OPG levels in PICF were analyzed using an enzyme-linked immunosorbent assay. Total bacterial levels, as well as levels of Fusobacterium nucleatum, Porphyromonas gingivalis, Treponema denticola, Tannerella forsythia, Prevotella intermedia, and Streptococcus oralis, were analyzed in the corresponding submucosal biofilm samples using quantitative real-time polymerase chain reaction. Results: The total amount of sRANKL in TIF implants was 2.64-fold lower than that in TIS implants at baseline (P < 0.001), whereas similar levels were found after 12 months (P > 0.05). Accordingly, OPG and RANKL/OPG ratio were similar between the groups at each time point (P > 0.05). Microbiological results were similar in both groups at each time point (P > 0.05). Conclusion: The results of this longitudinal study suggested that sRANKL and OPG in PICF, as well as microbiological parameters in submucosal biofilms, were similar between TIF and TIS implants, after a 12-month monitoring period, despite early differences in the former. Therefore, the type of implant–abutment connection does not appear to influence longitudinally the levels of osteoimmunological and microbiological markers in the peri-implant tissues of short implants. © 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltden_US
dc.identifier.doi10.1111/clr.12937en_US
dc.identifier.endpagee120en_US
dc.identifier.issn0905-7161
dc.identifier.issue9en_US
dc.identifier.pmid27469171en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpagee111en_US
dc.identifier.urihttps://doi.org/10.1111/clr.12937
dc.identifier.urihttps://hdl.handle.net/11454/25396
dc.identifier.volume28en_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherBlackwell Munksgaarden_US
dc.relation.ispartofClinical Oral Implants Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectimplant–abutment connectionen_US
dc.subjectOPGen_US
dc.subjectperi-implant crevicular fluiden_US
dc.subjectRANKLen_US
dc.subjectshort implanten_US
dc.subjectsubmucosal biofilmen_US
dc.titleImpact of implant–abutment connection on osteoimmunological and microbiological parameters in short implants: a randomized controlled clinical trialen_US
dc.typeArticleen_US

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