Posted by: reenochrobinson
« on: July 14, 2017, 05:09:17 pm »I'm on board with what you're saying, the dentist has the same philosophy 99% of what I'm looking for.
However, Mike Mew says he tries to expand ~1mm per week in adults, saying that this rate of change (or near it) is not only fully possible but best for transferring the force through the entire skull so all bones (like cheekbones and upper maxilla) will grow and shift during the expansion.
The dentists I have consulted who subscribe to adult palate expansion (anywhere) don't do this rate, they do it very slowly to so that you only come in once a month and they can monitor a bunch of cases slowly over time. This causes (according to theories) the aloveor process to be re-shaped by the local force but isn't enough force/time (ie impulse in physics) to travel to a wider area and cause growth at multiple skull sutures.
That is to say, they push hard and slow enough to cause the mouth to respond, but not enough to cause the entire skull to respond along with it
It sounds like you've really thought this through. I think orthodontists sometimes make adjustments to the wires on the expander to try and align the teeth as the arch expands and sometimes grind down some of the acrylic as the palate becomes less vaulted. Asdfasdf123's old thread seems to have been removed where he reported that the "amateur" expander maxes out around 8mm. I wonder if the appliances you would get from an orthodontist would offer more expansion. I suppose if you needed more you could always order a second expander with new impressions, but the lag time between finishing the first round of expansion and starting a second might be an issue. Did the orthodontist you consulted with say anything about expanding the bottom arch? My bottom teeth seem to be tilted inward a bit in the back and have some crowding in the front. I feel like a bottom expander might be helpful for me, but others have suggested that the bottom will adjust on its own after the top is expanded. Anyway, good luck if you decide to proceed with self-treatment, and please let us know how it goes!