Activator Appliances

**Definition:** Loose-fitting removable orthodontic appliances which redirect the pressures of the facial and masticatory muscles onto the teeth and their supporting structures to produce improvements in tooth arrangements and occlusal relations.

**Tree numbers:** - E06.658.453.560.100 - E06.658.453.578.100

**Synonyms:** - Function Activator - Orthodontic Appliances, Activator