Effect of Chemical Crosslinking Agent on Adhesive Stability of Resin-dentin Bonding

doi:10.13701/j.cnki.kqyxyj.2020.03.003

Abstract

Abstract: Oral adhesion repair has been widely used with the development of adhesives.But the problem of dentin adhesion durability is not optimistic.Various enzymes, bacteria, and other factors in the oral cavity may lead to the exposure of collagen fibers at the bonding interface, and the exposed collagen fibers are easily degraded and damaged by fatigue, thus affecting the stability of dentin bonding.Matrix metalloproteinase-mediated degradation of collagen fibers is the main factor of adhesion interface damage.Inhibition of matrix metalloproteinase activity and enhancement of collagen properties are the keys to prolong the bonding life.Therefore, in view of the difficulties in the adhesion of oral dentin, based on the concept of biological modification of dentin, the bionic method mediated by the biological activity of collagen cross-linking agent was used to change the biological and physical properties of dentin to strengthen the strength of dentin collagen fiber and increase the adhesion stability.In this paper, the role of crosslinkers in the biological modification of dentin was introduced.

Key words: dentin biomodification, cross-linking agent, carbodiimide, glutaraldehyde, durability

QIAN Xin, ZHANG Zhimin. Effect of Chemical Crosslinking Agent on Adhesive Stability of Resin-dentin Bonding[J]. Journal of Oral Science Research, 2020, 36(3): 203-205.

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