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01-05-2010 | Original Article

Influence of etching with erbium, chromium:yttrium–scandium–gallium–garnet laser on microleakage of class V restoration

Authors: Juliana Marotti, Vinícius Rangel Geraldo-Martins, Marina Stella Bello-Silva, Carlos de Paula Eduardo, Christian Apel, Norbert Gutknecht

Published in: Lasers in Medical Science | Issue 3/2010

Abstract

The aim of this in vitro study was to evaluate some parameters of dental etching when irradiated with an erbium, chromium:yttrium–scandium–gallium–garnet (Er,Cr:YSGG) laser. One-hundred sound human third molars were selected and randomly distributed into ten groups (n = 10). The class V cavities of group 1 (control) were prepared with a bur and etched with 37% phosphoric acid, while groups G2 to G10, were prepared with laser (5 W, 88.46 J/cm², 90/70% air/water) and etched with the following powers: G3 and G4, 0.25 W; G5 and G6, 0.5 W; G7 and G8, 0.75 W; G9 and G10, 1 W. Group G2 received no laser etching. Prior to restoration, G2, G4, G6, G8 and G10 received acid etching. After restoration, all samples were submitted to a microleakage test. According to statistical analysis (Kruskal–Wallis and Dunn’s tests), G10 presented the lowest microleakage values (P<0.05). The other groups showed no differences between them. Etching with Er,Cr:YSGG laser (1 W) followed by phosphoric acid was effective in reducing the microleakage of class V restorations.

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Title: Influence of etching with erbium, chromium:yttrium–scandium–gallium–garnet laser on microleakage of class V restoration
Authors: Juliana Marotti
Vinícius Rangel Geraldo-Martins
Marina Stella Bello-Silva
Carlos de Paula Eduardo
Christian Apel
Norbert Gutknecht
Publication date: 01-05-2010
Publisher: Springer-Verlag
Published in: Lasers in Medical Science / Issue 3/2010
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI: https://doi.org/10.1007/s10103-008-0623-6

At a glance: The STEP trials

Springer Medicine

Influence of etching with erbium, chromium:yttrium–scandium–gallium–garnet laser on microleakage of class V restoration

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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