Retainer
Retainer
Retainer (/rɪˈteɪnər/) is a term used in the field of Dentistry to refer to a device that is custom-made for individuals to wear after they have completed an orthodontic treatment. The primary function of a retainer is to prevent the teeth from shifting back to their original positions.
Etymology
The term 'retainer' originates from the English word 'retain' which means to keep in place or keep possession of. In the context of dentistry, a retainer is used to 'retain' or hold the position of the teeth after orthodontic treatment.
Types of Retainers
There are three main types of retainers used in dentistry:
- Hawley Retainer: Named after its inventor, Dr. Charles Hawley, this type of retainer is made of metal and acrylic and is removable.
- Essix Retainer: This is a clear, removable retainer that fits over the entire arch of teeth.
- Fixed Retainer: Also known as a bonded or permanent retainer, this type of retainer is attached to the back of the teeth and is not removable by the patient.
Related Terms
- Orthodontics: The branch of dentistry that corrects teeth and jaws that are positioned improperly.
- Braces: A device used in orthodontics to align teeth and their position with regard to a person's bite.
- Orthodontist: A specialist in the field of dentistry that focuses on the diagnosis, prevention, and correction of malpositioned teeth and jaws.
External links
- Medical encyclopedia article on Retainer
- Wikipedia's article - Retainer
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