Are Removable Palate Expanders As Effective As Fixed Ones?

Although some arch expansion can be achieved in 20-year-olds using removable appliances (be it a retainer with an expansion screw or Invisalign), all of that movement will be dental-only - meaning the teeth will move but the jaw bones will not. The only way you would see improve respiration due to enlarging the nasal passage at age 20 would be to combine a fixed palatal expander with a surgical procedure to re-open the suture in the roof of your mouth. As for the openbite, it is true... more

Short answer: they not equal. Long answer: can be equally effective. The obvious reason is why the cemented is more effective. It is in your mouth. There is no forgetting, loosing, etc. They body responds best to light consistent pressures, as far as long term stable changes. (Like diet and exercise) That said, expanders are not all alike or equal. There are many different materials used in expanders that can make one more effective than another. There are cranked expanders, spring... more