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Retainer
01
仆从
a person working in the service of another (especially in the household)
02
仆从
a device used to maintain the position of teeth after braces are removed
What is a "retainer"?
A retainer is a dental device used to keep teeth in their new position after orthodontic treatment, like braces. It is usually made of plastic or metal and fits closely over the teeth. Retainers help prevent teeth from shifting back to their original position and maintain the results achieved through orthodontic work.
03
仆从
a fee charged in advance to retain the services of someone
例子
Tim's retainer helped prevent his teeth from moving after braces.
Daily use of the retainer is crucial for lasting results.
After treatment, Alex got a clear retainer to wear discreetly.
Tony's retainer ensured his teeth stayed aligned after braces.
After braces, Jenny wore a retainer to keep her teeth straight.
