Publicado en 3C Tecnología – Volume 12 Issue 1 (Ed. 43)
Alkasim A. Alabady
Bayan S. Khalaf
Aim of the study: Using surface roughness and tensile bond strength tests, the objective of this investigation was to ascertain the impact of laser surface modification on the binding strength of injectable thermoplastic acrylic denture base material to acrylic-based soft-liner material.
Materials and methods: Acrylic base soft liner material was bonded to injectable thermoplastic acrylic resin (Deflex). Forty specimens were created (20 disc, 20 dumbbells) 10 of each specimen type as control specimens, and 10 were treated with nano pulse Nd: YAG laser. The data were analyzed using the Kruskal-Wallis test and unpaired t-test (a=.05) and the roughness test was performed utilizing a double column universal test machine.
Results: Compared to the control groups, the laser group had much increased roughness and tensile bond strength.
Conclusions. Following Nd:YAG laser surface treatment, the tensile bonding strength between acrylic soft-liner material and thermoplastic acrylic was increased.
KeywordsThermoplastic acrylic, Nd:YAG laser, tensile bond strength, surface roughness test
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