INTRODUCTION TO FIXED APPLIANCE
Appliances that are fixed or fitted onto to the teeth by the operator & cannot be removed by the patient at will are called fixed appliance.
|Components of Orthodontic Fixed Appliances|
Can do complex tooth movement
Better control over tooth movement
Better control of anchorage & extraoral force can be used in conjunction with fixed Eg: Head gears.
Does not require pt co-operation
Better aligning, detailing & finishing of the occlusion
Difficult to maintain good oral hygiene
More time consuming to fix & adjust
More conspicous and not esthetically pleasing
Requires special training of the operator
Patient visit the orthodontist at regular intervals
Various tooth movement brought about by fixed appliances:
Extrusion & Intrusio