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目的 :观察 4种中国产牙膏对人牙本质的磨损性。方法 :将新鲜拔除的人健康恒牙包埋于环氧树脂块中 ,表面磨平。开一牙本质窗并在刷牙机上刷 10 0 0次 ,以Talysurf2表面测量仪测量牙本质磨损程度。结果 :多数中国产牙膏具有较高的磨损性。结论 :长期使用有潜在的导致牙齿磨损的可能性
Objective: To observe the abrasion of four Chinese toothpaste on human dentin. Methods: The healthy permanent teeth of fresh plucked people were embedded in the epoxy block, and the surface was polished. Open a dentinal window and brush 10 0 0 times on a brushing machine to measure dentinal wear with a Talysurf2 surface measuring instrument. Results: Most Chinese-made toothpastes are highly abrasive. Conclusion: Long-term use has the potential to cause tooth wear