Adhesive resistance to shear forces of metal brackets using different adhesive cements. In vitro study. Lima, Peru, 2021

Darwin Newton Yanac Calero and Ann Rosemary Chanamé Marín

eVitroKhem, 2022, vol. 1, 30-30

Abstract: One of the challenges of orthodontic treatment with braces is the installation and permanence of the fixed orthodontic appliances during the time that the orthodontic treatment entails. For this reason, it was possible to determine the adhesive resistance against shear forces of the metal brackets using different adhesive cements. The research was experimental, cross-sectional, prospective and comparative, where two types of cements were used: orthocem and heliosit, adhering to 20 teeth with their brackets. Subsequently, the mechanical laboratory procedure was carried out, using the universal testing machine that advanced vertically at 1 mm / min of speed until the brackets were detached from the tooth, the data of said action recorded. With the data obtained, it was possible to obtain the adhesive resistance against shear forces of the metal brackets using the Orthocem adhesive cement was 2,592 ± 1.28 megapascals, and for the Heliosit adhesive cement it was 2,437 ± 0.80 megapascals. Concluding that the adhesive cement Orthocem and Heliosit present a similar adhesive resistance, not finding a statistically significant difference (p> 0.05) against the shear forces

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:dbk:evitro:2022v1a2

DOI: 10.56294/evk202230

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