Is expanding the arch the same as expanding the maxilla?

[KrissKross]

If you expand the upper arch will the maxilla improve noticeably?

 

[FaceandHFD]

No

 

[KrissKross]

No

Don’t give me a low iq one word answer. Elaborate

 

[manlet cUnt]

Pretty much

 

[BornAgainChad]

If you expand the upper arch will the maxilla improve noticeably?

Yes, your maxilla will improve if you expand your arches. But if you lack a forward maxilla you will probably need to use headgear too.