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Surgically assisted RME

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(@randommoses)
Posts: 33
Topic starter
 

Hey y'all,

So what is the title? Is it still tooth borne expansion, as opposed to bone borne? 

Dr Mahony (with whom I booked an appointment) uses superscrew superspring appliance. Seems like tooth borne. Not sure if it's surgically assisted, but I'd appreciate clarification on this! 

Thing is, this article says bone borne expansion is generally better for grown maxillae, with less chance of teeth tipping:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ncbi.nlm.nih.gov/m/pubmed/25490552&ved=2ahUKEwiT4pjB58bgAhXPbSsKHQCPCtMQFjAAegQIBRAB&usg=AOvVaw001Z89htdr5NT3mwqV5FOa

Cheers for making it this far! 


 
Posted : 18/02/2019 11:37 pm
(@darkindigo)
Posts: 1017
 
Posted by: A Moses

Hey y'all,

So what is the title? Is it still tooth borne expansion, as opposed to bone borne? 

Dr Mahony (with whom I booked an appointment) uses superscrew superspring appliance. Seems like tooth borne. Not sure if it's surgically assisted, but I'd appreciate clarification on this! 

Thing is, this article says bone borne expansion is generally better for grown maxillae, with less chance of teeth tipping:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ncbi.nlm.nih.gov/m/pubmed/25490552&ved=2ahUKEwiT4pjB58bgAhXPbSsKHQCPCtMQFjAAegQIBRAB&usg=AOvVaw001Z89htdr5NT3mwqV5FOa

Cheers for making it this far! 

If you overblow the maxillary arch, then your tongue might not have somewhere to stick against (friction).  If there's a way to flatten out/bring down a high maxillary arc, I may lean more that direction.  Honestly, haven't looked into it too much.  :-)


 
Posted : 19/02/2019 3:53 pm
(@darkindigo)
Posts: 1017
 

Rest assured... Dr. Mahony uses 3D CBCT... he is phenomenal.  I’m super jealous!


 
Posted : 19/02/2019 4:10 pm
(@randommoses)
Posts: 33
Topic starter
 
Posted by: darkindigo
Posted by: A Moses

Hey y'all,

So what is the title? Is it still tooth borne expansion, as opposed to bone borne? 

Dr Mahony (with whom I booked an appointment) uses superscrew superspring appliance. Seems like tooth borne. Not sure if it's surgically assisted, but I'd appreciate clarification on this! 

Thing is, this article says bone borne expansion is generally better for grown maxillae, with less chance of teeth tipping:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ncbi.nlm.nih.gov/m/pubmed/25490552&ved=2ahUKEwiT4pjB58bgAhXPbSsKHQCPCtMQFjAAegQIBRAB&usg=AOvVaw001Z89htdr5NT3mwqV5FOa

Cheers for making it this far! 

If you overblow the maxillary arch, then your tongue might not have somewhere to stick against (friction).  If there's a way to flatten out/bring down a high maxillary arc, I may lean more that direction.  Honestly, haven't looked into it too much.  :-)

What do you mean by overblow the arch?

Also, pretty sure I've read a study that said palatal expansion not only widened, but also reduced palatal height and maxilla length. 

If bone borne expansion expanded more, naturally the other 2 dimensions will be further reduced

I can find the source if you're interested :) 


 
Posted : 19/02/2019 6:39 pm
(@alphaminus)
Posts: 234
 

If you imagine taking a pliable material in the shape of a high, arched palate, and stretching it laterally with two hands, it stands to reason that the arched is going to flatten to the degree that it's stretched. So I have no trouble believing that palate expansion reduces palatial height. It's just basic physics. 


 
Posted : 19/02/2019 6:52 pm
(@darkindigo)
Posts: 1017
 
Posted by: A Moses
Posted by: darkindigo
Posted by: A Moses

Hey y'all,

So what is the title? Is it still tooth borne expansion, as opposed to bone borne? 

Dr Mahony (with whom I booked an appointment) uses superscrew superspring appliance. Seems like tooth borne. Not sure if it's surgically assisted, but I'd appreciate clarification on this! 

Thing is, this article says bone borne expansion is generally better for grown maxillae, with less chance of teeth tipping:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ncbi.nlm.nih.gov/m/pubmed/25490552&ved=2ahUKEwiT4pjB58bgAhXPbSsKHQCPCtMQFjAAegQIBRAB&usg=AOvVaw001Z89htdr5NT3mwqV5FOa

Cheers for making it this far! 

If you overblow the maxillary arch, then your tongue might not have somewhere to stick against (friction).  If there's a way to flatten out/bring down a high maxillary arc, I may lean more that direction.  Honestly, haven't looked into it too much.  :-)

What do you mean by overblow the arch?

Also, pretty sure I've read a study that said palatal expansion not only widened, but also reduced palatal height and maxilla length. 

If bone borne expansion expanded more, naturally the other 2 dimensions will be further reduced

I can find the source if you're interested :) 

Sure... send what you can.  I just saw an x-ray of a kid who had palatal widening.  There was a new gap created between the maxilla sides.  This gap filled in with new bone.  This is like the gaps that happen between the 2 front teeth of those who get DOME or other tad-assisted expansion, RPE, etc.  That is why I'm wondering if it actually lowers the palatal vault.  I know they tout that it does, I think... but I don't know which is most effective in that... and I know that sometimes the type of RPE expansion can actually increase the palatal vault... such as saggital that isn't shaved down.


 
Posted : 19/02/2019 6:54 pm
(@randommoses)
Posts: 33
Topic starter
 
Posted by: darkindigo

Rest assured... Dr. Mahony uses 3D CBCT... he is phenomenal.  I’m super jealous!

So possibly more money down the drain yay.

Thanks for everything btw darkindigo! 


 
Posted : 19/02/2019 7:12 pm
(@darkindigo)
Posts: 1017
 
Posted by: A Moses
Posted by: darkindigo

Rest assured... Dr. Mahony uses 3D CBCT... he is phenomenal.  I’m super jealous!

So possibly more money down the drain yay.

Thanks for everything btw darkindigo! 

LOL  🤣 


 
Posted : 19/02/2019 7:18 pm
(@darkindigo)
Posts: 1017
 

I don't know if it's true... but I'd read in some reviews that sometimes his patients see those he's teaching more than him.  I'd try to get him to treat you personally.


 
Posted : 19/02/2019 7:20 pm
(@randommoses)
Posts: 33
Topic starter
 
Posted by: darkindigo

I don't know if it's true... but I'd read in some reviews that sometimes his patients see those he's teaching more than him.  I'd try to get him to treat you personally.

Yeah I asked on the phone if I'll be seeing him personally, they said yes. I'll confirm again for sure


 
Posted : 19/02/2019 7:32 pm
(@randommoses)
Posts: 33
Topic starter
 
Posted by: darkindigo
Posted by: A Moses
Posted by: darkindigo
Posted by: A Moses

Hey y'all,

So what is the title? Is it still tooth borne expansion, as opposed to bone borne? 

Dr Mahony (with whom I booked an appointment) uses superscrew superspring appliance. Seems like tooth borne. Not sure if it's surgically assisted, but I'd appreciate clarification on this! 

Thing is, this article says bone borne expansion is generally better for grown maxillae, with less chance of teeth tipping:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ncbi.nlm.nih.gov/m/pubmed/25490552&ved=2ahUKEwiT4pjB58bgAhXPbSsKHQCPCtMQFjAAegQIBRAB&usg=AOvVaw001Z89htdr5NT3mwqV5FOa

Cheers for making it this far! 

If you overblow the maxillary arch, then your tongue might not have somewhere to stick against (friction).  If there's a way to flatten out/bring down a high maxillary arc, I may lean more that direction.  Honestly, haven't looked into it too much.  :-)

What do you mean by overblow the arch?

Also, pretty sure I've read a study that said palatal expansion not only widened, but also reduced palatal height and maxilla length. 

If bone borne expansion expanded more, naturally the other 2 dimensions will be further reduced

I can find the source if you're interested :) 

Sure... send what you can.  I just saw an x-ray of a kid who had palatal widening.  There was a new gap created between the maxilla sides.  This gap filled in with new bone.  This is like the gaps that happen between the 2 front teeth of those who get DOME or other tad-assisted expansion, RPE, etc.  That is why I'm wondering if it actually lowers the palatal vault.  I know they tout that it does, I think... but I don't know which is most effective in that... and I know that sometimes the type of RPE expansion can actually increase the palatal vault... such as saggital that isn't shaved down.

Can you send links for expansion types that increase palatal height, specifically the example you mentioned? Is that forward growth of maxilla?

Here's the study link for what I previously mentioned:

https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1601-6343.2011.01534.x


 
Posted : 19/02/2019 7:36 pm
(@darkindigo)
Posts: 1017
 

I don't see that... I never read that... it's just physics.  I have seen the consequence of that, though.  This is why DNA shaves down. :-)  So yeah... I know saggital can do that... also if someone abuses a TPA or other thing and keeps it right up against the palate.. then there can be problems.  Personal observation on that.  There was also someone else complaining about that here.. someone with a palatal vault too high.. what happens is it stretches out the front of the face.  Droopy under-eye circles, flatness... etc.  Mostly noticeable in the eyes... or even in gummy smile.


 
Posted : 19/02/2019 7:51 pm
(@darkindigo)
Posts: 1017
 
Posted by: aRandomMosesAppears
Posted by: darkindigo
Posted by: A Moses
Posted by: darkindigo
Posted by: A Moses

Hey y'all,

So what is the title? Is it still tooth borne expansion, as opposed to bone borne? 

Dr Mahony (with whom I booked an appointment) uses superscrew superspring appliance. Seems like tooth borne. Not sure if it's surgically assisted, but I'd appreciate clarification on this! 

Thing is, this article says bone borne expansion is generally better for grown maxillae, with less chance of teeth tipping:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ncbi.nlm.nih.gov/m/pubmed/25490552&ved=2ahUKEwiT4pjB58bgAhXPbSsKHQCPCtMQFjAAegQIBRAB&usg=AOvVaw001Z89htdr5NT3mwqV5FOa

Cheers for making it this far! 

If you overblow the maxillary arch, then your tongue might not have somewhere to stick against (friction).  If there's a way to flatten out/bring down a high maxillary arc, I may lean more that direction.  Honestly, haven't looked into it too much.  :-)

What do you mean by overblow the arch?

Also, pretty sure I've read a study that said palatal expansion not only widened, but also reduced palatal height and maxilla length. 

If bone borne expansion expanded more, naturally the other 2 dimensions will be further reduced

I can find the source if you're interested :) 

Sure... send what you can.  I just saw an x-ray of a kid who had palatal widening.  There was a new gap created between the maxilla sides.  This gap filled in with new bone.  This is like the gaps that happen between the 2 front teeth of those who get DOME or other tad-assisted expansion, RPE, etc.  That is why I'm wondering if it actually lowers the palatal vault.  I know they tout that it does, I think... but I don't know which is most effective in that... and I know that sometimes the type of RPE expansion can actually increase the palatal vault... such as saggital that isn't shaved down.

Can you send links for expansion types that increase palatal height, specifically the example you mentioned? Is that forward growth of maxilla?

Here's the study link for what I previously mentioned:

https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1601-6343.2011.01534.x

It only dropped a half mm... that's not much.  6-7 mm intermolar width gain, though.  I think a slower approach of braces or even saggital shaved down would help to drop it more.  I'm HIGHLY dubious of all these hyraxes out there helping ADHD.  The thing is... it acts as a natural tongue depressor.  Then,... when it's taken out, you hear stories of relapse or even worse sleeping.  The thing is.. you have to catch super young for braces. I guess my point being... SARPE may be better than tad alone stuff????  You basically want to get back to what you would have grown to be under better conditions.  Overblowing the maxilla is NOT the answer.  To drop it is slower... That's why I'm leaning to DNA wirframe... because it's slow and allows the palate to drop.  I am going out on a limb here and thinking that the continuous pressure of their wireframe system may actually keep teeth in bone??!?!?!?!?  I would think so, because it's not their intermittant turn-key style.   And I think it may actually work, because you're pushing the gums, too.  Check out this kid with Damon braces.  Mind you, they're mixed dentition... so young... https://ormco.com/products/damon-system/studies/freedom.php   Truthfully, their palate doesn't look like it came down much... and the teeth are just sitting out the outer edge of the gum mounds after.  I think something like saggital may work better??  I've WITNESSED a Schwartz drop a palate in mixed dentition.  Had to shave it down.  :-)


 
Posted : 19/02/2019 7:59 pm
(@darkindigo)
Posts: 1017
 

See what's happening here?  https://www.researchgate.net/figure/The-wireframe-Daytime-Nighttime-Appliance-DNA-appliance-that-was-used-for-each-subject_fig1_297007626   Continuously applied pressure.  That is better than turn-key.  Room for the palate to drop.  You just don't want that metal touching too much the palate.  That may actually work and not blow out teeth from bone?!  I WANT CBCT! 


 
Posted : 19/02/2019 8:15 pm
(@randommoses)
Posts: 33
Topic starter
 

Ahahaa, the frustration is real.

I've got an underbite due to a retruded downswung maxilla. My 3 brothers have absolutely perfect, forward maxillae; wtf went wrong with me I wonder. 


 
Posted : 19/02/2019 11:04 pm
(@randommoses)
Posts: 33
Topic starter
 

At work atm, but definitely keen to check out the links you sent when I'm done. 

Also, what do you mean by shaved down? As in, 'DNA shaves down' 


 
Posted : 19/02/2019 11:07 pm

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