Dentistry and Practices [ISSN: 2581-4990]


Sorption and Solubility of Acrylic Resin Self polimer by 3 Process Techniques in Orthodontics

Author(s): Mendoza Oropeza Laura, Ramírez Ortega Juana Paulina, Bárcenas Canales Magdalena Jizhel, García Pérez Alvaro

Sorption and aqueous solubility are proprieties that the acrylic resin haves and are present during his acrilization process. 
Objective: To determine the properties of sorption and aqueous solubility of three processing techniques of the self-curing acrylic resin that is used for the creation of movable orthodontic prosthetics. 
Material and Methods: An experimental study using a total of 30 samples of acrylic resin (diameter 25 mm ± 0.2 by 2.5 mm height), (n = 10) conventional techniques, pressure (n = 10) and heat pressure (n = 10) were elaborated) to be exposed to sorption and solubility tests according to ISO 1567. The data were analyzed using one-way analysis of variance followed by post hoc Tukey’s test. 
Results: Several Average water sorption values were: heat-pressure technique was 16.06 (± 0.48) μg / mm3, pressure 16.20 (± 0.71) μg / mm3 and conventional 16.72 (± 0.31) μg / mm3 and heat solubility- pressure was 0.46 (± 0.19) μg / mm3, pressure 0.52 (± 0.20) μg / mm3 and conventional 0.83 (± 0.18) μg / mm3. When comparing the three study groups, statistically significant differences were found for sorption (p = 0.024) and solubility (p <0.001). 
Conclusion: The techniques carried out showed an output of a variation in the sorption and solubility in the polymerization process of the acrylic resin is carried for, autopolymerisable orthodontics. Such technique has repercussions in the sorption and solubility tests of the material, presenting better results taking advantage of the pressure-heat technique.

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