Rapid Expander or Quad Helix for Child With Possible Apnea?

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EntrancedBoar91
Posts: 15
Joined: Thu Jun 05, 2014 11:14 am

Rapid Expander or Quad Helix for Child With Possible Apnea?

#1 Postby EntrancedBoar91 » Tue Mar 14, 2017 2:05 pm

Hello all. My 8 year old son has crowding and a high arched palate. He is also a chronic mouth breather, snores and grinds his teeth at night. He was sent to a specialist who says he has some airway issues but not apnea yet. My brother has severe sleep apnea and I really want to avoid this for my son.

The ortho we've seen wants to start my son on the hyrax rapid palatal expander in the next few months as he believes that will help his airway. Another dentist said I should possibly get a second opinion as there are more gradual ways to expand that create more natural bone where the midline splits (she claims the rapid expander forces the maxilla apart super quick which causes scar tissue to form and that is not very stable). She suggested a quad helix expander instead.

My brother had rapid palatal expansion as a child and that gave him room for all his teeth but it did nothing to help his apnea. This makes me think maybe the quad helix would be better?

Does anyone have any insight into this? Thanks so much :)

drleonsu
Posts: 12
Joined: Fri Mar 10, 2017 3:18 pm

Re: Rapid Expander or Quad Helix for Child With Possible Apnea?

#2 Postby drleonsu » Wed Jul 12, 2017 7:22 pm

Hi, sorry I just saw your post. You may have already decided for your son on which appliance to use, but I hope this is good information for everyone else.

As far as the effectiveness in widening the arch, current research sees both slow expansion and rapid expansion achieving similar results with insignificant differences, except a slight more dental side effect with slow expansion. Stability is also the same for both treatments. Both treatments will get sutural separation on the palate on growing patients. (see links below on a couple of articles. There are a lot of studies done online). They are similar because once the palate is expanded, you need to hold it for 4-6 months for the palate to stabilize. During this time, the midline area will remodel and stabilize in the case of rapid expansion, and teeth will upright in slow expansion. Quadhelix is tricky to adjust though, I personally prefer a different type of appliance if I'm going to do slow expansion.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4138550/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4347413/

From a comfort stand point, slow expansion is more gradual and patient will feel less tightness, but it's a bulkier in the mouth.For rapid expansion, it's fairly uncomfortable in the first week because of the tightness (I recommend some pain killers), but once the suture is loose after the first week, I don't ever hear patients complain about the tightness.


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