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Underbite + high angle of lower jaw - how to decrease angle?
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Underbite + high angle of lower jaw - how to decrease angle?

I'm looking for a way to correct the overly high angle of my mandible. If you don't know what I mean by this, imagine a person opening their mouth so that the chin would not point forward but into the floor, that's how my lower jaw is at rest (the bite is closed, though).

This gives me quite a weak jawline a long face and leaves me with no chin.

This kind of skeletal structure, I think, is usally seen in open bite cases and is rectified, among other methods, by intruding the molars, thus letting the mandible autorotate upwards, closing the bite, shortening the face and strenghtening the jawline and chin.

However, in my case, not only do I not have an open bite but I have an overbite so my mandible has no space to rotate into.

Can anything be done in my case?

My upper incisors are retroclined, would proclining them and then moving the mandible forward into the space created (some space was alread there because I have minor overjet) cause the back part of the mandible to drop down? If not is there some other way to rotate the back of the mandible downward?

I don't know whether this is significant so I'll mention it just in case: I have narrow arches with the mandibular molars tipping toward the tongue.

Any help is greatly appreciated.
Related Discussions
Avatar_m_tn
You certainly have provided a lot of technical details about your occlusal / jaw relationships.
I am a craniofacial orthodontist, so i know what you are describing.....

Is your description based on a professional consult & assessment? If not, you sure need to have one, or two done. Do you have any x-ray images? Age?

Several factors will determine what needs to be done, especially the results of both facial & jaw analyses.

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taipei, Taiwan