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Skeletal expander screw positioning: is there a sweet spot? (Y expander v regular Schwartz expander)

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Qwestion
(@qwestion)
Posts: 1
Topic starter
 

 

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I’ve noticed that in the Y expander, the screw is placed further back into the palate which makes sense since there is a screw in the front getting in the way. Tends to have the screw between the e first molars.

 

A Schwartz expander tends to have the skeletal expander screw between the first two bicuspids.

 

here’s a couple random pictures of expanders and their positions. Could someone give more insight?

 

@admin id like your insight please

 
Posted : 13/12/2021 10:49 pm
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 Help
(@sheeesh)
Posts: 24
 

Having the transverse screw towards the front of the palate I imagine would mean that there is more force acting on the teeth towards the front of the mouth which may help at rounding out a tapered “V” dental arch into a more rounded “U” dental arch.

Would like to hear others opinions on this.

 
Posted : 27/03/2022 2:32 am

THE GREAT WORK