«Torque-out» test — a new technique of evaluation of adhesive bond strength of fiber posts
https://doi.org/10.25636 / PMP.2.2018.3.4
Abstract
A new technique for evaluation of adhesive bond strength of fiber posts is presented. It called by the authors the “torque-out” test. Unlike the known test methods, in which a tensile or compressive load is applied to the sample, the load is produced by the torque. Samples for testing of a specific combination of post and cement can be manufactured chairside without using of special equipment. A compact installation developed by the authors designed to assess the adhesive bond strength of the connection by the value of the maximum torque is described. Using numerical modeling, the stress-strain state that occurs in the samples during push-out and torque-out tests was compared.
About the Authors
A. S. Bobrovskaya
ФГБОУ ВО МГМСУ им. А. И. Евдокимова Минздрава РФ.
Russian Federation
Russian Federation
A. V. Mitronin
ФГБОУ ВО МГМСУ им. А. И. Евдокимова Минздрава РФ.
Russian Federation
Russian Federation
S. S. Gavriushin
Кафедра робототехники и комплексной автоматизации МГТУ им. Н. Э. Баумана.
Russian Federation
Russian Federation
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Review
For citations:
Bobrovskaya A.S., Mitronin A.V., Gavriushin S.S. «Torque-out» test — a new technique of evaluation of adhesive bond strength of fiber posts. Endodontics Today. 2018;16(3):18-21. (In Russ.) https://doi.org/10.25636 / PMP.2.2018.3.4
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