本规范涵盖了适用于牙科卫生员或牙医的一次性适当角度 在牙齿清洁的最后阶段，也可与doriot风格的手机配合使用 被称为波兰人。

This specification covers disposable prophy angles suitable for a dental hygienist or a dentist to use in conjunction with a doriot style handpiece during the final stages of a dental cleaning, also known as a polish.