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Survival, reasons for failure and clinical characteristics of anterior/posterior composites: 8-year findings
Montagner, Anelise Fernandes; Sande, Francoise Helene van de; Müller, Clecila; Cenci, Maximiliano Sérgio; Susin, Alexandre Henrique.
  • Montagner, Anelise Fernandes; Universidade Federal de Santa Maria. Graduate Program in Dentistry. Santa Maria. BR
  • Sande, Francoise Helene van de; Universidade Federal de Pelotas. Graduate Program in Dentistry. Pelotas. BR
  • Müller, Clecila; Universidade Federal de Santa Maria. Graduate Program in Dentistry. Santa Maria. BR
  • Cenci, Maximiliano Sérgio; Universidade Federal de Pelotas. Graduate Program in Dentistry. Pelotas. BR
  • Susin, Alexandre Henrique; Universidade Federal de Santa Maria. Graduate Program in Dentistry. Santa Maria. BR
Braz. dent. j ; 29(6): 547-554, Nov.-Dec. 2018. tab, graf
Article in English | LILACS | ID: biblio-974195
ABSTRACT
Abstract This retrospective study aimed to compare the annual failure rate (AFR), reasons for failure and factors influencing survival of posterior and anterior composite restorations placed by undergraduate students. Composite restorations placed by undergraduate students were evaluated. The restorations should be in occlusion, with at least one adjacent tooth; and patients should have been present for check-up, with at least 1 annual recall. The investigation was performed in two separate

analysis:

1) dental electronic records of 100 patients (n=333 restorations) were selected to assess factors influencing survival; 2) clinical evaluation of 30 patients by examining restorations (n=123) to assess clinical characteristics and failure type distribution. Data were subjected to Kaplan-Meier method, Log-rank test, Cox regression and Fisher's Exact test (p<0.05). After 8-year period, the AFR was 2.62%. There was difference between anterior and posterior restorations (p=0.005), with anterior showing a higher AFR. The patient caries-risk (p<0.001) and the number of surfaces restored (p=0.010) affected restoration survival. The superficial brightness (p=0.029), fracture (p=0.025) and retention (p=0.011) were clinical criteria with differences between anterior and posterior restorations. Income (p<0.001), caries activity (p<0.001), caries risk (p<0.001) and oclusal risk (p<0.001) also influenced on the restorations survival. After 8-year, the AFR of restorations placed by undergraduate students was acceptable and affected by patient risk factors and the position of the tooth in the arch anterior restorations failed more than posterior.
RESUMO
Resumo Este estudo retrospectivo comparou a taxa de falha anual (TFA), razões para falha e fatores influenciadores da sobrevida de restaurações posteriores e anteriores de resina composta realizadas por estudantes de graduação. As restaurações deveriam estar em oclusão, com pelo menos um dente adjacente, e os pacientes deveriam ter comparecido a pelo menos 1 consulta anual de retorno. A investigação foi realizada em 2 analises separadas 1) dados odontológicos de prontuário eletrônico de pacientes (n=333 restaurações) foram selecionados para avaliar os fatores influenciadores na sobrevida; 2) avaliação de 30 pacientes por exame clinico das restaurações (n=123) para verificar as características clinicas e a distribuição do tipo de falha. Os dados foram submetidos a Kaplan-Meier método, Log-rank teste, regressão de Cox e Teste Exato de Fisher (p<0,05). Após o período de 8 anos, a TFA foi 2,62%. Houve diferença entre restaurações anteriores e posteriores (p=0,005), sendo que anteriores mostraram maior TFA. Os fatores de risco à carie (p<0,001) e o número de superfícies restauradas (p=0,010) influenciaram a sobrevida de restaurações. Brilho superficial (p=0,029), fratura (p=0,025) e retenção (p=0,011) foram critérios clínicos com diferenças entre restaurações anteriores e posteriores. Renda (p<0,001), atividade de cárie (p<0,001), risco à cárie (p<0,001) e risco oclusal (p<0,001) também influenciaram a sobrevida. Após 8 anos, a TFA das restaurações realizadas por estudantes de graduação foram clinicamente aceitáveis e afetadas pelos fatores de risco associados ao pacientes e a posição do dente na arcada; restaurações anteriores falham mais do que posteriores.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Students, Dental / Clinical Competence / Composite Resins / Dental Restoration Failure / Dental Restoration, Permanent Type of study: Diagnostic study / Observational study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Pelotas/BR / Universidade Federal de Santa Maria/BR

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Full text: Available Index: LILACS (Americas) Main subject: Students, Dental / Clinical Competence / Composite Resins / Dental Restoration Failure / Dental Restoration, Permanent Type of study: Diagnostic study / Observational study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Pelotas/BR / Universidade Federal de Santa Maria/BR