Bleaching effect on bonding performance of composite to enamel

This study aimed to assess the effects of dental bleaching on the immediate shear bond strength (SBS) of composite to enamel. Different bleaching methods and time intervals between bleaching and composite restoration were examined. A total of 45 enamel specimens were divided into three groups (n = 1...

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Veröffentlicht in:Microscopy research and technique 2024-10, Vol.87 (10), p.2418-2424
Hauptverfasser: Miljkovic, Milan, Dacic, Stefan, Mitic, Vladimir, Jovanovic, Milica, Andjelkovic‐Apostolovic, Marija
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Sprache:eng
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Zusammenfassung:This study aimed to assess the effects of dental bleaching on the immediate shear bond strength (SBS) of composite to enamel. Different bleaching methods and time intervals between bleaching and composite restoration were examined. A total of 45 enamel specimens were divided into three groups (n = 15) based on the applied bleaching protocol: in‐office (A), at‐home (B), and unbleached control (C). Groups A and B were then subdivided into three time intervals until bonding: 1, 3, and 7 days. The composite was bonded to enamel using self‐etch adhesive technique and submitted to SBS testing. The enamel surface and adhesive interface were observed under scanning electron microscope (SEM). The highest average SBS was measured in the control (unbleached) group (31.1 ± 3.4). A significant difference in SBS was found between the control and in‐office bleaching (p 
ISSN:1059-910X
1097-0029
1097-0029
DOI:10.1002/jemt.24627