C. Harnirattisai, S. Inokoshi, Y. Shimada, H. Hosoda Adhesive interface between resin and etched dentin of cervical erosion/abrasion lesions.. Operative dentistry. Vol.18, No.4 (1993), 138-143. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/22567
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Adhesive interface between resin and etched dentin of cervical erosion/abrasion lesions.
The interfacial structure between an adhesive composite resin and the dentinal walls of cervical erosion/abrasion lesions etched with 37% phosphoric acid gel for 60 seconds was investigated. Almost all dentinal tubules were occluded with rod-like structural depositions that remained undissolved even after acid conditioning. The hybrid layer between the adhesive resin and surface-demineralized dentin was found to be 0.3 to 3 microns, much thinner than that routinely found in either normal dentin or cariously affected dentin. The hybrid layer was thinnest at the occlusal walls of the cavity where the dentinal tubules run parallel to the cavity surface. The bond strength of adhesive resin to these areas may differ from that to intact normal dentin.
