Teeth retainers are removable dental devices that fit over a person’s upper or lower teeth. They keep someone’s teeth in their correct alignment, often as a follow-up to braces. After teeth ...
A permanent retainer is a device that keeps the teeth in the same place after a person has braces. The retainers remain in the mouth long-term and only an orthodontist can remove them. With regular ...
Medline, PubMed, Cochrane Central Register of Controlled Trials, LILACS and BBO databases with no language restrictions; unpublished literature was searched in Proquest Dissertations and Theses ...
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