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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

A Retrospective Evaluation of Surgical Treatment of Peri-implantitis

Taketa, Rofaida, Kovacevic, Ivona January 2021 (has links)
Aim: To investigate retrospectively the outcome of surgical peri-implantitis treatment taking potentially relevant parameters into account. Material and method: Patients being treated for peri-implantitis during 2013-2019 by a single specialist with sufficient radiographic and clinical documentation and at least a nine-month follow-up were considered herein. Patient-, prosthodontic-, and implant-related data were collected from the journals and available radiographs at baseline and follow-ups. Surgical procedures were divided into open flap debridement (OFD), resective, regenerative and combined treatments. Treatment outcome was defined as: good (PPD≤5mm+no BoP); acceptable (PPD>5mm without BoP or BoP+PPD≤5mm); bad (PPD>5mm+BoP and/or suppuration); and failure (explantation or re-operation). Descriptive statistics, chi-square or Fisher’s exact test were performed to assess potential predictors for the combined outcomes good and acceptable, coined as “successful”, and bad and failure, coined as “unsuccessful”. Results: Thirty-seven patients and 69 implants with a follow-up of 9 to 63 months fulfilled the inclusion criteria. Overall, 71% of the treated implants showed a good outcome and 13% an acceptable outcome, i.e., in 84% of the cases a successful outcome was achieved. Regenerative treatment had the highest success rate (87%) followed by resective (84%), OFD (83%) and combined treatment (83%). One of the predictors (i.e., smoking) affected the successful outcome negatively with >10%. However, statistical analysis failed to prove significance. Conclusion: Based on this retrospective analysis of a relatively limited number of implants, surgical treatment of peri-implantitis was successful in 84% of the cases. For defining risk factors affecting the treatment outcome a larger sample size is required. The results were of no statical significance. / Syfte: Retrospektivt undersöka resultatet av kirurgisk peri-implantitbehandling med hänsyn till potentiellt relevanta parametrar. Material och metod: Alla patienter som kirurgiskt behandlades för peri-implantit under tidsperioden 2013-2019 av en enda specialist med minst nio månaders uppföljning beaktades här. Patient-, protes- och implantatrelaterade data samlades in retrospektivt från journaler och tillgängliga röntgenbilder pre- och postoperativt. Kirurgiska ingrepp delades in i open flap debridement (OFD), resektiv, regenerativ och kombinerad behandling. Behandlingsresultatet definierades som: good (PPD≤5mm+ingen BoP); acceptable (PPD>5mm utan BoP, eller BoP+PPD≤5mm); bad (PPD>5mm+BoP och/eller suppuration); och failure (explantering eller re-operation). Beskrivande statistik, chi-square eller Fisher’s exact test utfördes för att bedöma potentiella prediktorers påverkan på resultatet. För ”lyckat” kombinerades resultaten good och acceptable, medan för ”misslyckat” kombinerades resultaten bad och failure. Resultat: Trettiosju patienter och 69 implantat med en uppföljning på 9 till 63 månader uppfyllde inklusionskriterierna. Sammantaget visade 71% av de behandlade implantaten ett bra resultat och ytterligare 13% ett acceptabelt resultat, dvs. i 84% av fallen uppnåddes ett lyckat resultat. Regenerativ behandling hade den bästa lyckandefrekvensen (87%) följt av resektiv (84%), OFD (83%) och kombinerad behandling (83%). En av prediktorerna, mer specifikt rökning, påverkade lyckandefrekvensen negativt med >10%. Statistisk analys misslyckades dock med att bevisa statistisk signifikans. Slutsats: Baserat på denna retrospektiva analys av ett relativt begränsat antal implantat lyckades kirurgisk behandling av peri-implantit i 84% av fallen. För att definiera riskfaktorer som påverkar behandlingsresultatet krävs en större provstorlek. Resultaten visade ingen statistisk signifikans.

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