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Additional treatment indicative of an unfavorable endodontic outcome in a Swedish county: a 10-year observational study
Tandvårdens Kompetenscentrum, Norrbotten Public Dental Service, Luleå, Sweden.
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin. Norrbotten County Council, Luleå, Sweden.ORCID-id: 0000-0003-4059-3368
Piteå Hospital, Norrbotten Public Dental Service, Piteå, Sweden.
Department of Endodontics, Faculty of Odontology, Malmö University, Malmö, Sweden.
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2023 (Engelska)Ingår i: Journal of Endodontics, ISSN 0099-2399, E-ISSN 1878-3554, Vol. 49, nr 3, s. 267-275.e4Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Introduction: This study's aim was to calculate the incidence of first additional endodontic treatment or extraction as the result of an unfavorable endodontic outcome following orthograde root canal treatment (RCT) performed by general dental practitioners during a 10-year period and to identify possible predictors for outcomes.

Methods: A randomized cohort of 280 individuals (and as many teeth) with an orthograde RCT was followed for over 10 years. Dental records were reviewed, and individuals were recalled when data were missing. The following terminal events indicative of unfavorable endodontic treatment outcome were orthograde retreatment, surgical endodontics, and tooth extractions exclusively due to endodontic reasons. Selected variables related to individuals and treatment (pre-, intra-, and postoperative) were harvested to analyze possible associations with the terminal events. Unadjusted survival analysis and Cox regression analysis were performed and P < .05 was considered statistically significant.

Results: Terminal events were registered for 22 teeth/individuals and 17 of these were orthograde retreatments. The cumulative 10-year survival of RCTs was 92.7% (standard error 1.7%), with a higher yearly incidence during the first 2 years. The univariate analysis identified 5 factors associated with the outcome. There were too few events to perform a multivariate analysis.

Conclusions: The mean incidence of additional treatment indicative of unfavorable endodontic outcome was 0.7% per year during the first 10 years, but the mean incidence was greater during the first 2 years. Five factors were associated with an unfavorable outcome; however, confounders cannot be excluded from the associations.

Ort, förlag, år, upplaga, sidor
Elsevier, 2023. Vol. 49, nr 3, s. 267-275.e4
Nyckelord [en]
Analysis, dentistry, prognosis, public health, retreatment, survival, tooth extraction
Nationell ämneskategori
Odontologi
Identifikatorer
URN: urn:nbn:se:umu:diva-204761DOI: 10.1016/j.joen.2022.12.011ISI: 000990920400001PubMedID: 36574827Scopus ID: 2-s2.0-85147347614OAI: oai:DiVA.org:umu-204761DiVA, id: diva2:1738140
Forskningsfinansiär
Region NorrbottenTillgänglig från: 2023-02-21 Skapad: 2023-02-21 Senast uppdaterad: 2023-06-19Bibliografiskt granskad

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Lundqvist, RobertBrundin, Malin

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Journal of Endodontics
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