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external braces are no longer in use for the last 15 years (at least)
Sorry to break this to you but Headgear is an orthodontic appliance used to correct bite and support proper jaw alignment and growth. There are several types. Headgear is typically recommended for children whose jaw bones are still growing.
Unlike braces, headgear is worn partially outside of the mouth. An orthodontist may recommend headgear for your child if their bite is severely out of alignment.
An unaligned bite is called a malocclusion. This means that the upper and lower teeth don’t fit together the way they should.
There are three classes of malocclusion. Headgear is used to correct Class II and Class III misalignment. These are the more severe types. Headgear may also be used to correct teeth overcrowding.
Health line September 2019.
Head gear is still used.
Again...so what?