Wennerberg A, Sawase T, Kultje C
Department of Biomaterials/Handicap Research, Institute for Surgical Sciences, Göteborg University, Sweden.
Eur J Oral Sci. 1999 Aug;107(4):297-306. doi: 10.1046/j.0909-8836.1999.eos107410.x.
The purpose of the present study was to investigate the surface topography of healthy enamel and dentine before and after application of a new chemomechanical system for caries removal, Carisolv. The same surfaces were investigated with respect to the influence of phosphoric acid, plus carious dentine after removal with either Carisolv or burrs. One-hundred freshly extracted teeth were used. Surface topography was measured in two different ways in order to characterize the surfaces at different levels of resolution, atomic force microscopy (AFM) and a contact stylus profilometer. Somewhat conflicting data were obtained with the two measuring techniques. When surfaces were investigated over a small area (AFM), healthy enamel seemed unaffected by Carisolv, while healthy dentine became smoother. Etching enamel with phosphoric acid resulted in a rougher surface, while no effect was detected on etched healthy dentine. Caries removal using Carisolv resulted in a smoother surface compared with conventional caries removal. When the surfaces were monitored with the contact profilometer, no effect of Carisolv could be detected on healthy enamel or dentine. Phosphoric acid etching, in contrast, increased the surface roughness of both enamel and dentine. When compared with conventional caries removal technique, caries removal with Carisolv did increase the surface roughness.
本研究的目的是调查在应用一种用于去除龋齿的新型化学机械系统——伢典（Carisolv）前后，健康牙釉质和牙本质的表面形貌。针对磷酸的影响，以及用伢典或牙钻去除龋坏牙本质后的龋坏牙本质，对相同的表面进行了研究。使用了100颗新鲜拔除的牙齿。为了在不同分辨率水平表征表面，用两种不同方法测量表面形貌，即原子力显微镜（AFM）和接触式探针轮廓仪。两种测量技术获得的数据有些相互矛盾。当在小面积上研究表面（AFM）时，健康牙釉质似乎未受伢典影响，而健康牙本质变得更光滑。用磷酸蚀刻牙釉质会导致表面更粗糙，而在蚀刻的健康牙本质上未检测到影响。与传统龋齿去除方法相比，使用伢典去除龋齿会使表面更光滑。当用接触式轮廓仪监测表面时，未检测到伢典对健康牙釉质或牙本质有影响。相比之下，磷酸蚀刻会增加牙釉质和牙本质的表面粗糙度。与传统龋齿去除技术相比，用伢典去除龋齿确实会增加表面粗糙度。
