Most people with flat and vertical grown face need at least 30mm of pogonion advancement.

Fairytale

Fairytale

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Characteristics of vertically grown face:
-short ramus and steep mandibular plane
-steep oclusal plane
- due to angle of mandibular body Chin appear to be recessed and vertically elongated
-flat and long midface being both a result of taller nose and long philtrum, effect is even stronger due to fact that downgrown structure pull soft tissues down-> resulting in scleral show.
- lack of angularity- square jawline is result of flat mandibular plane

Here are some examples of bimax results in 27-30mm range

Screenshot 20231210 004905 Instagram
Screenshot 20231210 004928 Instagram
Screenshot 20231210 004919 Instagram

The movements are gargantuan and while those results are impressive there is still room for more projection. Since mandible is really steep it has to be rotated to a really big extent to make it pararellel to the ground as well as maxilla has to be lifted up to a great extent to make room for new occlusion.

In this theoretical case done by C pogonion is moved 41.4mm and occlusion is rotated around 15°.
3610263 Screenshot 20230609 103322 YouTube



So if you are vertical grower... few centimeters for you.
 
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Characteristics of vertically grown face:
-short ramus and steep mandibular plane
-steep oclusal plane
- due to angle of mandibular body Chin appear to be recessed and vertically elongated
-flat and long midface being both a result of taller nose and long philtrum, effect is even stronger due to fact that downgrown structure pull soft tissues down-> resulting in scleral show.
- lack of angularity- square jawline is result of flat mandibular plane

Here are some examples of bimax results in 27-30mm range

View attachment 2598856View attachment 2598857View attachment 2598858
The movements are gargantuan and while those results are impressive there is still room for more projection. Since mandible is really steep it has to be rotated to a really big extent to make it pararellel to the ground as well as maxilla has to be lifted up to a great extent to make room for new occlusion.

In this theoretical case done by C pogonion is moved 41.4mm and occlusion is rotated around 15°.
View attachment 2598869


So if you are vertical grower... few centimeters for you.
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birdcels trust the plan...
 
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Reactions: Deleted member 6583

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