While the sensor won 't last long on the surface of a well-brushed and flossed tooth , michael mcalpine , the project 's leader , says that the sensors will be inexpensive enough that you can replace them daily .

然而传感器不会在牙齿表面上起到牙刷和牙线的清洁作用项目的领导者迈克尔麦艾尔派恩说传感器要相当便宜使人们每天可以更换。