
thecel
morph king
- Joined
- May 16, 2020
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Your maxilla has to stretch forwards as far as it can to try and catch up to the lower jaw, and even then it fails to keep up, falls behind, and you get an underbite.
Just because you were born with an abnormally short anterior cranial base.
Short anterior cranial base is, in the following image, when the distances from the "Ptv" point to the "Or" point, and from the "Ptv" point to the "Na" point, are short.
Short cranial base is an unfixable falio.
The underbite that results from it can be compensated for by bimaxing the patient, which may dogmaxx them if done to exess, ruin their nose shape, etc. In severe cases, the patient’s maxilla can’t be advanced enough to correct their occlusion, so they need premolar extractions from their mandible to recess their jaw. Brutal situation.
Just because you were born with an abnormally short anterior cranial base.
Short anterior cranial base is, in the following image, when the distances from the "Ptv" point to the "Or" point, and from the "Ptv" point to the "Na" point, are short.

Short cranial base is an unfixable falio.
The underbite that results from it can be compensated for by bimaxing the patient, which may dogmaxx them if done to exess, ruin their nose shape, etc. In severe cases, the patient’s maxilla can’t be advanced enough to correct their occlusion, so they need premolar extractions from their mandible to recess their jaw. Brutal situation.
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