Orthodontic Appliances, Fixed

**Definition:** ORTHODONTIC APPLIANCES attached to the teeth by adhesive material which cannot be removed from the mouth by the patient. These devices apply force to the teeth and supporting structures, thereby producing changes which control their growth and development.

**Tree numbers:** - E06.658.453.255

**Synonyms:** - Fixed Appliances - Permanent Retainer - Fixed Retainer - Bonded Retainer - Fixed Functional Appliances