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R

25/11/2016

Radiograph

A permanent image, performed digitally in our office, produced by ionizing radiation. Sometimes called an X-ray after the most common source of image-producing radiation.

Retainer

Any orthodontic appliance, fixed or removable, used to maintain the position of the teeth following corrective treatment.

Retention

The passive treatment period following active orthodontic correction during which retaining appliances may be used.