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In vitro evaluation of microleakage of a flowable composite in class V restorations
Cimello, Daniela Thomazatti; Chinelatti, Michelle Alexandra; Ramos, Renata Pereira; Palma Dibb, Regina Guenka.
  • Cimello, Daniela Thomazatti; University of São Paulo. Faculty of Dentistry of Ribeirão Preto. Department of Restorative Dentistry. Ribeirão Preto. BR
  • Chinelatti, Michelle Alexandra; University of São Paulo. Faculty of Dentistry of Ribeirão Preto. Department of Restorative Dentistry. Ribeirão Preto. BR
  • Ramos, Renata Pereira; University of São Paulo. Faculty of Dentistry of Ribeirão Preto. Department of Restorative Dentistry. Ribeirão Preto. BR
  • Palma Dibb, Regina Guenka; University of São Paulo. Faculty of Dentistry of Ribeirão Preto. Department of Restorative Dentistry. Ribeirão Preto. BR
Braz. dent. j ; 13(3): 184-187, 2002. tab
Article in English | LILACS, BBO | ID: lil-338540
ABSTRACT
The aim of this study was to evaluate microleakage around class V restorations using a flowable composite compared to a hybrid composite. Forty class V cavities were prepared on buccal and lingual surfaces of 20 human teeth, with occlusal and cervical margins at the enamel and cementum/dentin levels, respectively. Specimens were divided into 2 groups with 10 samples each. Group 1 buccal cavities received Paama 2 (conventional bonding agent) + Wave (flowable composite); lingual cavities were restored with Paama 2 + Glacier (hybrid composite). Group 2 buccal cavities received Optibond Solo (self-priming bonding agent) + Wave; lingual cavities were restored with Optibond Solo + Glacier. After being stored in distilled water and finished, the teeth were thermocycled, immersed in a 50 percent silver nitrate solution and embedded in resin. They were sectioned and the depth of tracer penetration was scored. The results were analyzed using Kruskall-Wallis and Wilcoxon tests. The restorations with flowable composite and those with hybrid composite from the same group showed similar results of microleakage for both occlusal and cervical margins. Optibond Solo improved the sealing of the restorations when compared with Paama 2 (p<0.01). None of the restorative materials completely sealed the tooth/restoration interface at the cervical margins
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: In Vitro Techniques / Composite Resins / Dental Leakage / Dental Restoration, Permanent Limits: Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2002 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: In Vitro Techniques / Composite Resins / Dental Leakage / Dental Restoration, Permanent Limits: Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2002 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR