A fixed lower jaw dental retainer completely avulsed the canine tooth of a 26-year-old man in the U.K., according to a case report published June 24 in the American Journal of Orthodontics and ...

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 ...

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