例句與造句

1. Most removable retainers are supplied with a retainer case for protection.
2. Once the braces are off, a removable retainer is worn _ usually part time _ to help the teeth stay in place.
3. The best-known removable retainer is the "'Hawley retainer "', which consists of a metal wire that typically surrounds the six anterior teeth and keeps them in place.
4. Align is attempting to bring the low-tech world of orthodontics into the dot-com age, using computer modeling to develop a customized series of clear, plastic, removable retainers that slowly move teeth into the proper alignment.
5. A review of the evidence suggests that removable retainers are only required to be worn part-time ( at night ) and that overall there is still insufficient evidence to recommend one type of retention procedure over another.
6. It's difficult to find removable retainer in a sentence. 用removable retainer造句挺難的