Skin irritation from a facial mask in Class III malocclusion: evaluation of individual silicone chin cups in a group of 100 children
BACKGROUND:
Reverse headgear (a facial mask) is one of the most frequently used interceptive orthodontic devices in patients with Class III malocclusion. It is a simple device but may present some drawbacks related to pressure on the skin generated by the forehead and chin supports linked to the maxillary intraoral appliance by elastics. This can cause injury to the chin and lips.
METHODS: