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One-Year Evaluation of a Simplified Ethanol-Wet Bonding Technique: A Randomized Clinical Trial
Brazilian Dental Journal; Araujo, Joyce Figueira de; Barros, Thais Andrade de Figueiredo; Braga, Esther Marina Franca; Loretto, Sandro Cordeiro; Souza, Patricia de Almeida Rodrigues Silva e; Souza Junior, Mario Honorato Silva e.
  • Araujo, Joyce Figueira de; UFPA - Federal University of Para. Dental School. Department of Clinical Dentistry. Belem. BR
  • Barros, Thais Andrade de Figueiredo; UFPA - Federal University of Para. Dental School. Department of Clinical Dentistry. Belem. BR
  • Braga, Esther Marina Franca; UFPA - Federal University of Para. Dental School. Department of Clinical Dentistry. Belem. BR
  • Loretto, Sandro Cordeiro; UFPA - Federal University of Para. Dental School. Department of Clinical Dentistry. Belem. BR
  • Souza, Patricia de Almeida Rodrigues Silva e; UFPA - Federal University of Para. Dental School. Department of Clinical Dentistry. Belem. BR
  • Souza Junior, Mario Honorato Silva e; UFPA - Federal University of Para. Dental School. Department of Clinical Dentistry. Belem. BR
Braz. dent. j ; 24(3): 267-272, May-Jun/2013. tab, graf
Article in English | LILACS | ID: lil-681864
ABSTRACT
The objective of this randomized clinical trial was to evaluate the clinical performance of adhesive restorations using a three-step etch-and-rinse adhesive (TSER), a one-step self-etching adhesive (OSSE), and a simplified ethanol-wet bonding technique (EWBT) prior to the application of a composite resin in non-carious cervical lesions. Ninety-three restorations (31 for each group) were placed in 17 patients by a single operator. No cavity preparation was performed. After 6 and 12 months, the restorations were assessed by two previously trained examiners using modified Ryge criteria for retention (kappa=1.00) and marginal adaptation/staining (kappa=0.81), and the results were analyzed by Fisher's exact and Kruskal-Wallis tests, respectively. No significant differences were observed among groups at the 6- and 12-month time points for any of the assessed criteria (p≥0.05). The intra-group analysis performed by Cochran's test (for retention) and Wilcoxon test (for marginal adaptation/staining) revealed significant differences between the baseline/12-month time intervals in marginal adaptation in OSSE (p=0.0180) and in marginal staining in TSER (p=0.0117). The survival analysis for retention criteria performed using a log-rank test did not show significant differences (p>0.05). The restorations placed using the simplified EWBT performed equally well as the other adhesive strategies employed.
RESUMO
O objetivo deste ensaio clínico randomizado foi avaliar o comportamento clínico das restaurações adesivas, usando um adesivo convencional de três passos (CTP), um adesivo autocondicionante de um passo (AUP) e uma técnica simplificada da adesão úmida por etanol (AUET) antes da aplicação de uma resina composta em lesões cervicais não-cariosas. Noventa e três restaurações (31 para cada grupo) foram realizadas em 17 pacientes por um único operador. Nenhum preparo cavitário foi realizado. Depois de 6 e 12 meses, as restaurações foram avaliadas por 2 examinadores previamente treinados, utilizando critérios de Ryge modificados para retenção (kappa=1,00) e adaptação/manchamento marginal (kappa=0,81), e os resultados foram analisados pelos testes Exato de Fisher e Kruskal-Wallis, respectivamente. Não foram observadas diferenças significativas entre os grupos aos 6 e 12 meses para qualquer um dos critérios avaliados (p≥0,05). A análise intra-grupo feita pelos testes Q de Cochran (para retenção) e Wilcoxon (para adaptação/manchamento marginal) revelou diferenças significativas entre os intervalos de tempo baseline/12 meses para a adaptação marginal no AUP (p=0,0180) e manchamento marginal no CTP (p=0,0117). A análise de sobrevivência para o critério retenção realizada utilizando o teste de log-rank não apresentou diferenças significantes (p≥0,05). As restaurações feitas utilizando a técnica simplificada da adesão úmida por etanol comportaram-se igualmente às outras estratégias adesivas empregadas.
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Full text: Available Index: LILACS (Americas) Main subject: Solvents / Dental Bonding / Dentin-Bonding Agents / Composite Resins / Dental Restoration, Permanent / Ethanol / Tooth Wear Type of study: Controlled clinical trial / Observational study / Prognostic study Limits: Adult / Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: UFPA - Federal University of Para/BR

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Full text: Available Index: LILACS (Americas) Main subject: Solvents / Dental Bonding / Dentin-Bonding Agents / Composite Resins / Dental Restoration, Permanent / Ethanol / Tooth Wear Type of study: Controlled clinical trial / Observational study / Prognostic study Limits: Adult / Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: UFPA - Federal University of Para/BR