The laser test, developed by a team from the University of Sydney, could be used to identify weaknesses in teeth enamel earlier than is currently possible, cutting down on the need for filings.

• 由悉尼大学的一个小组开发的这种激光检测方法，可以用来识别牙齿珐琅质的缺陷，它早于目前可能的方法：在需要的时候切下一些牙质进行锉屑。