PDF(Pubmed)
Abstract：
Effective oral care is important for maintaining a high quality of life. Therefore, plaque control can prevent the development and recurrence of periodontitis. Brushing with a toothbrush and toothpaste is a common way to remove plaque; however, excessive brushing or brushing with abrasive toothpaste can cause wear and tear on the dental crown. Hence, we aimed to quantitatively compare the plaque-removal efficiency and tooth wear of toothbrushes using the bioelectric effect (BE) with those of electric-mechanical toothbrushes. To generate the BE signal, an electronic circuit was developed and embedded in a toothbrush. Further, typodonts were coated with cultured artificial plaques and placed in a brushing simulator. A toothpaste slurry was applied, and the typodonts were eluted with tap water after brushing. The plaques of the typodonts were captured, and the images were quantified. For the tooth wear experiment, polymethyl methacrylate disk resin blocks were brushed twice a day, and the thickness of the samples was measured. Subsequently, statistical differences between the experimental toothbrushes and typical toothbrushes were analyzed. The BE toothbrush had a higher plaque-removal efficiency and could minimize tooth wear. This study suggests that the application of BE may be a new solution for oral care.
摘要：
有效的口腔护理对于维持高质量的生活是重要的。因此,控制牙菌斑可以预防牙周炎的发展和复发。用牙刷和牙膏刷牙是去除牙菌斑的常见方法；然而，过度刷牙或用研磨性牙膏刷牙会导致牙冠磨损。因此，我们旨在定量比较使用生物电效应（BE）的牙刷与电动机械牙刷的牙菌斑清除效率和牙齿磨损。要生成BE信号，电子电路被开发并嵌入牙刷中。Further,用培养的人造斑块涂覆排字机并置于刷洗模拟器中。涂了牙膏浆，刷牙后用自来水洗脱打字稿。拼写器的斑块被捕获，图像被量化。对于牙齿磨损实验，聚甲基丙烯酸甲酯圆盘树脂块每天刷两次，并测量样品的厚度。随后，分析了实验牙刷和典型牙刷之间的统计学差异。BE牙刷具有较高的牙斑去除效率，并且可以最大程度地减少牙齿磨损。这项研究表明，BE的应用可能是口腔护理的新解决方案。
