Hugo Mitsuo Silva Oshima

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AIM The purpose of this study is to evaluate and compare the Vickers microhardness of one microhybrid composite polymerized with different sources and stored in different solutions for up to 14 days. METHODS Using a bipartite PTFE mould with 6 mm inner diameter and 3 mm high, 30 samples were manufactured with Charisma B1 shade for each polymerization(More)
The purposes of this study were to develop a device to measure bracket debonding force in vivo and to evaluate, in vitro, the bond strength obtained with the device and with tensile and shear bond strength (SBS) tests performed in a universal testing machine. The device was developed using polypropylene pliers (3M Unitek). The basic principle consisted of(More)
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