Longevity of composite restorations in posterior teeth placed by dental students: a 12-year retrospective study

Objectives To evaluate the longevity of resin composite restorations placed in posterior teeth by dental students, using data from electronic records from 2008 to 2019. Materials and methods Demographic (gender and age) and clinical variables (dental group, position in dental arch, and the number of...

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Published in:Clinical oral investigations 2024-04, Vol.28 (5), p.253-253, Article 253
Main Authors: Alonso, Ana Laura Lima, Tirapelli, Camila, Cruvinel, Pedro Bastos, Cerqueira, Nathália Mancioppi, Miranda, Claudio Souza, Corona, Silmara Aparecida Milori, Souza-Gabriel, Aline Evangelista
Format: Article
Language:English
Subjects:
Adult
Composite materials
Composite Resins
Dental Care
Dental restorative materials
Dentistry
Electronic health records
Electronic medical records
Failure
Female
Humans
Longevity
Male
Medicine
Middle Aged
Molar
Molars
Periodicity
Prosthetics
Retrospective Studies
Students
Students, Dental
Teeth
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Summary:Objectives To evaluate the longevity of resin composite restorations placed in posterior teeth by dental students, using data from electronic records from 2008 to 2019. Materials and methods Demographic (gender and age) and clinical variables (dental group, position in dental arch, and the number of restored surfaces) were evaluated. The 5-year follow-up was assessed according to the day the restoration was placed. Kaplan-Meier curves were generated to calculate the annual failure rate. Data were analyzed by Chi-Square, Kruskal-Wallis, and Mann-Whitney tests (α = 0.05). Results In total, 3.883 records relative to return periodicity were analyzed. The final sample consisted of 900 restorations from 479 patients. The majority were females, aged between 31 and 60. In total, 256 failures were reported (success rate = 78%), showing an annual failure rate of 2.05%. The main reasons for failures were restoration replacement (55.5%), endodontics (21.9%), prosthetics (14.5%) and extraction (8.2%). There was a higher risk of failure in restorations involving three or more surfaces ( p  = 0.000) and in patients over 60 years ( p  
ISSN:1436-3771
1432-6981
1436-3771
DOI:10.1007/s00784-024-05631-4