crossbite, underbite and overbite?

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88oscar
Posts: 32
Joined: Wed Aug 29, 2012 9:23 am

crossbite, underbite and overbite?

#1 Post by 88oscar »

Can someone explain to me what each of them are?
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isthistaken
Posts: 678
Joined: Sat Mar 02, 2013 10:07 pm

Re: crossbite, underbite and overbite?

#2 Post by isthistaken »

I have an overbite, which means that the top front teeth overlap (vertically) the bottom front teeth excessively. This causes excessive wear on those teeth.
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joeyyeo
Posts: 115
Joined: Sat Mar 02, 2013 6:09 am

Re: crossbite, underbite and overbite?

#3 Post by joeyyeo »

Correct me if I'm wrong, but this is what I know based on what I have seen so far.

Cross bite: when some of the upper teeth are biting on the inside of the lower teeth.
Overbite: when the top jaw is in front of the lower jaw. Some overbite of about 2-3mm is ideal, as having jaws that line up edge to edge will cause quick wearing down of the teeth.
Underbite: when the lower jaw is in front of the upper jaw.
Upper braces off after 636 days!
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