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The Hygienic Rapid Palatal Expander

Jackscrews have been used to open the midpalatal suture since 1860,1 but only since the 1950s has the procedure found widespread acceptance. The Haas-type rapid palatal expander, with a midline jacksc...

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WARREN HAMULA, DDS, MSD

WARREN HAMULA, DDS, MSD
Dr. Warren Hamula is a Contributing Editor of the Journal of Clinical Orthodontics and President of Modern Orthodontic Designs, 1539 S. Eighth St., Colorado Springs, CO 80906. He has a financial interest in the Sure-Fit Band. Drs. Warren and David Hamula are in the private practice of orthodontics in Colorado Springs.

DAVID W. HAMULA, DDS, MSD

DAVID W. HAMULA, DDS, MSD
Drs. Warren and David Hamula are in the private practice of orthodontics in Colorado Springs.

ARLEN HURT, CDT

ARLEN HURT, CDT
Mr. Hurt is Laboratory Manager for Specialty Appliances, 1670 Oakbrook Drive, Suite 390, Norcross, GA 30093.

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