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Lukas Comba
Lukas Comba
Czech Republic
Publications
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Research Article
The Effect of Surface Treatment and Adhesive System on the Durability of Composite Repairs
Author(s): Lukas Comba,Pavel Bradna*,Erika Lenčová,Jana Dušková,Děvana HoušováLukas Comba,Pavel Bradna*,Erika Lenčová,Jana Dušková,Děvana Houšová
Controversy exists concerning the optimal procedure for composite restoration repairs. The aim of the study was to investigate the effect of surface treatment, adhesive system and long-term storage in water and a surfactant solution on the bond strength between aged and repair composite materials. Surfaces of a light-cured micro-hybrid composite (Filtek Z250) aged in distilled water for five months at 37°C were treated by grinding with SiC paper P320 or by air abrasion (Rondoflex, Al2O3, 50 μm). The build-ups were made with the same composite material using Optibond FL (OPF), Gluma Comfort Bond (GLU) and Clearfil SE Bond (CLF) adhesive systems. The build-ups were sectioned into sticks, stored at 37°C for four months in distilled water or in a solution of a surfactant sodium lauryl sulfate (SLS, 1.5 wt. %) to accelerate water penetration in the adhes.. View More»
DOI: 10.4172/2161-1122.1000318