JCO Journal of Clinical Orthodontics
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Miniscrew Implant-Supported Rapid Maxillary Expansion

VOLUME 46 : NUMBER 10 : PAGES (608-612) 2012

KI BEOM KIM, DDS, MSD, PHD

MARY ELLEN HELMKAMP, DDS

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Although rapid maxillary expansion can be effective in correcting posterior crossbite and dental crowding due to arch-length discrepancies, it can also cause side effects including limited skeletal expansion, buccal crown tipping and other undesirable tooth movements, root resorption, and instability of results. According to Proffit, the transverse expansion is about 50% skeletal and 50% dental.

Alternatives to traditional toothborne expansion devices have b...

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