In vitro Comparison of the adhesive strength of the etch and rinse adhesive systems and self etching
DOI:
https://doi.org/10.59334/ROV.v1i30.135Keywords:
Adhesive strength, adhesion to enamel, adhesives. (DeSC)Abstract
The purpose of the study was to compare in vitro the adhesive strength of the Etch and Rinse systems of the 4th and 5th generation; and Self Etch systems of the 6th and 7th generation. A descriptive, comparative study was carried out. Twenty third molars were used for this study, (these molars were extracted for orthodontic and prophylactic purposes). Each teeth were cut into two pieces obtaining 40 pieces in total, then they were chosen randomly of which 10 pieces were cut with the 4th generation adhesive strength, 10 with the 5th generation, 10 with the 6th generation and 10th with the 7th generation of the adhesive. A vertical traction test was performed, measured in kilograms force, and then transformed into megapascals (Mpa). The 4th generation resins obtained an adhesive resistance of 29.9 Mpa, the 5th generation resins obtained a resistance of 16.9 Mpa, the 6th generation obtained a resistance of 27.5 Mpa and the 7th generation obtained a resistance of 11.0 Mpa. The results were subjected to normality tests using the Shapiro Wilk test. These results were analyzed using the oneway ANOVA, finding statistically significant differences between the four study groups with a p-value of 0.001. As a conclusion; the 4th generation adhesive system classified as Etch and Rinse showed better adhesive strength, followed by the 6th generation adhesive system classified as Self Etch.
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