Microleakage in primary teeth restored by conventional or bonded amalgam technique.


Autoria(s): Myaki, S. I.; Rodrigues, C. R.; Raggio, D. P.; Flores, T. A.; Matson, M. R.
Contribuinte(s)

Universidade Estadual Paulista (UNESP)

Data(s)

27/05/2014

27/05/2014

07/11/2001

Resumo

The aim of this in vitro study was to evaluate marginal leakage in class V restorations in primary teeth restored with amalgam, using three different techniques. Thirty maxillary anterior primary teeth, clinically sound and naturally exfoliated, were used. In group 1 (n = 10), two thin layers of a copal varnish (Cavitine) were applied. In group 2 (n = 10), Scotchbond Multi-Purpose Plus, a dual adhesive system, was used according to manufacturer instructions. In group 3 (n = 10), One-Step adhesive system in combination with a low-viscosity resin (Resinomer) were used according to manufacturer instructions. All samples were restored with a high-copper dental amalgam alloy (GS 80, SDI). After restoration, the samples were stored in normal saline at 37 degrees C for 72 h. The specimens were polished, thermocycled (500 cycles, 5 degrees and 55 degrees C, 30-s dwell time) and impermeabilized with fingernail polish to within 1.0 mm of the restoration margins. The teeth were then placed in 0.5% methylene blue for 4 h. Finally, the samples were sectioned and evaluated for marginal leakage. The Kruskal-Wallis test showed that the filled adhesive resin (group 3) had the least microleakage. There was no significant difference between groups 1 and 2.

Formato

197-200

Identificador

http://www.forp.usp.br/bdj/bdj12(3)/trab11123/trab11123.pdf

Brazilian dental journal, v. 12, n. 3, p. 197-200, 2001.

0103-6440

http://hdl.handle.net/11449/66609

2-s2.0-0035237062

2-s2.0-0035237062.pdf

Idioma(s)

eng

Relação

Brazilian Dental Journal

Direitos

openAccess

Palavras-Chave #biomedical and dental materials #copal rosin varnish #dental alloy #dentin bonding agent #methacrylic acid derivative #One Step dentin bonding system #One-Step dentin bonding system #plant resin #resin #resin cement #resinomer #Scotchbond Multi Purpose Plus #Scotchbond Multi-Purpose Plus #comparative study #deciduous tooth #dental bonding #dental surgery #human #incisor #maxilla #methodology #nonparametric test #tooth disease #Composite Resins #Dental Amalgam #Dental Bonding #Dental Cavity Lining #Dental Leakage #Dental Materials #Dental Restoration, Permanent #Dentin-Bonding Agents #Humans #Incisor #Maxilla #Methacrylates #Resin Cements #Resins, Plant #Statistics, Nonparametric #Tooth, Deciduous
Tipo

info:eu-repo/semantics/article