It seems that adults and teenagers grow their bones with two entirely different processes.
- Teenagers grow their bones due to pressure on the piezoelectric part of the bone (the collagen) sending some sort of electric signal throughout the bone, which enables it to grow. Actually, I really don’t know much about this topic, I hope someone can explain further.
- Adults, on the other hand, have very underwhelming success with using pressure because for some reason, the above mechanism doesn’t work (why doesn’t it work?). Instead, they attempt to remodel the skull by the same principle they also use to grow taller (breaking the bone and expanding the gap between the bones) by expanding between the sutures of the skull. The sutures are then filled up by the bone healing the gap.
When growing older, something seems to cause the bone to no longer ‘grow’ but instead get more dense when pressure is applied. So the adults doing mewing aren’t actually growing their maxilla, but making it more dense, since there’s no suture behind the maxilla to be split and expanded. The maxilla can only be widened in adults, but can’t grow forwards.
This is why teenagers have such good results from correcting the tongue posture. Because their maxilla is able to grow out, rotating outwards in a counter-clockwise manner, causing the mandible to swing upwards. However, the process above which adults follow still doesn’t achieve forward growth of the maxilla.
I think I finally realised this yesterday, when watching the video (uploaded yesterday on the orthotropics channel) about Mike Mew’s adult patient Nick. For the amount of time and money he was giving Mike Mew, he looks exactly the same in my opinion. His eyes haven’t changed, his cheekbones haven’t got more defined. His maxilla even looks a bit longer.
However, if an adult could grow his face somehow like a younger person, this wouldn’t correct a long maxilla and wouldn’t cause the mandible to swing upwards, correct?
I want to add that i don't know much, don't want people to quote me since i don't want to spread missinformation.
Bone loses it's mass if under certain pressure treshold and gains mass if above it. As i can see it there is ideal pressure for maximum bone resporpstion and formation. But tounge alone would have minimal effects.
However there was a study with monkey (which i always forget name of) where they moved / remodeled whole maxilla with external forces acting 24/7 for 90 days. There was 5 N of force but it was constant. Results were very fast. However i don't see anyone using facepulling devices for that amount of time and dedication.
I don't know how bone grows but i can assure you can make bone remodeling changes without opening sutures. Sutures if opend will increase progress you desire.
Then there are people with incoclusive pictures claiming to have changes. Some of them are somewhat belivable but they all did hardmewing.
I think it's all about amout of pressure and time applied. Even older people with strokes have bone deformities due to muscle inbalances. I think that progress after certain age i slowed yes and that type of skeletal remodeling is different from growth phase. But as far as i know we never stop producing new bone.
I think main issue for adults is finding conviniet way to apply bigger forces than tounge can sustain on preassure points we want. MSE does this brutally by physicaly weakening sutures. You can achieve remodeling without splitting sutures but this is usually slower.
However there was a study with monkey (which i always forget name of) where they moved / remodeled whole maxilla with external forces acting 24/7 for 90 days. There was 5 N of force but it was constant. Results were very fast. However i don't see anyone using facepulling devices for that amount of time and dedication.
I hope someone can find the name of the study. This sounds very interesting.
So would you say that there are actually two goals we need to achieve?
1. Counter-clockwise rotation of the maxilla (which can be done through facepulling devices), which allows the mandible to swing up.
2. Forward growth of the maxilla (which can only occur in young people).
I mean, maxilla is already grown i think we can remodel it trough forces. It's grown at wrong angle but i think you can push it to a better position.
It dosen't make sense that bone stops growing if you don't have right posture. I think it grows but wrongly and you can still remodle bone you have. Altough it's really hard.
Monkey study , although i can't find original one.
http://www.aljabri.com/blog/understanding-the-monkey-experiments-that-inspired-mewing/
This is preview only.
https://www.sciencedirect.com/science/article/abs/pii/0002941678900805
There are some difficulties for this exact method used in humans but it produces significat movement in only 90 days in fully grown monkeys which have stronger bones than humans btw.
Main issues with facepulling are force vectors , stable construction of device and time used.
However if you are hermit at home, you don't mind sitting 12h a day and wearing a helmet. So i think that could move something but we still don't know where or if it will be desirable. I guess it will preferable (not ideal).
There are some difficulties for this exact method used in humans but it produces significat movement in only 90 days in fully grown monkeys which have stronger bones than humans btw.
What difficulties are there? Why not just replicate the device used, if it’s proven to provide such incredible results?
I saw the images of the device used on the monkeys, and I don’t see how a face mask would be any different. Yet many adults use orthodontic face masks without much improvement.
They used drils and screwed screws into cranial bone. We humans don't have this think bones in head and it would damage us. Also wearing it for 90 days without being able to take it off is torture in my opinion. I mean there were kid trials where they did something simillar but those kids really had big problems. I doubt anyone would use this on functional adults.
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