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Loss of pulp vitality correlated with the duration of the interim restoration and the experience of the dentist: A retrospective study
Department of Prosthetic Dentistry Specialist clinic, Kalmar County Public Dental Service, Kalmar, Sweden.
Department of Prosthetic Dentistry Specialist clinic, Kalmar County Public Dental Service, Kalmar, Sweden.
Malmö universitet, Odontologiska fakulteten (OD).
Department of Clinical Physiology, Kalmar County and Department of Medical and Health Sciences, Linköping University, Kalmar, Sweden.
Vise andre og tillknytning
2023 (engelsk)Inngår i: The Journal of prosthetic dentistry (Print), ISSN 0022-3913, E-ISSN 1097-6841, Vol. 130, nr 6, s. 833-839, artikkel-id S0022-3913(21)00698-3Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

STATEMENT OF PROBLEM: The second most common biological complication in fixed prosthodontics is loss of pulp vitality, which may lead to restoration loss. While reasons for loss of pulp vitality are unclear, 2 potential contributing factors, duration of the interim restoration and operator experience, have not been fully investigated.

PURPOSE: The purpose of this retrospective study was to investigate whether the duration of the interim restoration or the experience of the dentist was correlated with loss of pulp vitality.

MATERIAL AND METHODS: Fixed prosthetic restorations placed between 2005 and 2012 were retrospectively analyzed. Abutment teeth supporting single-unti or multiunit restorations were evaluated regarding loss of pulp vitality. The Mann-Whitney U test and simple logistic regression were used, with α=.05 for the subsequent multiple logistic regression. The experience of dental professionals was defined by the number of treatments performed and coupled with failure rate by using an analysis of variance.

RESULTS: One hundred seventy-four dentists made 15 879 restorations, of which 1136 failed during the observation period, a failure rate of 7.2%. Two hundred fifty restorations were randomly selected from the failed restorations, and a corresponding 250 restorations were randomly selected from nonfailed restorations for the control group. Increased duration with interim replacement was linked to a higher risk of loss of pulp vitality (P<.001). Failure rate in the dentist group varied from 0% to 100%. No significant differences in failure rate were found among dentists who did few restorations and those who performed larger numbers of restorations.

CONCLUSIONS: The results of the present study suggest that operator experience does not affect failure rate. However, extended time with an interim restoration was a contributing factor to the loss of pulp vitality.

sted, utgiver, år, opplag, sider
Elsevier, 2023. Vol. 130, nr 6, s. 833-839, artikkel-id S0022-3913(21)00698-3
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Identifikatorer
URN: urn:nbn:se:mau:diva-50057DOI: 10.1016/j.prosdent.2021.11.029ISI: 001125659800001PubMedID: 35105459Scopus ID: 2-s2.0-85123699161OAI: oai:DiVA.org:mau-50057DiVA, id: diva2:1636333
Tilgjengelig fra: 2022-02-09 Laget: 2022-02-09 Sist oppdatert: 2024-01-08bibliografisk kontrollert

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