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Haas vs Hyrax: Rapid Palatal Expansion by tonhanrhm is a document available to read on EtoBox.

Rapid palatal expanders are orthopedic appliances used to widen the maxilla. There are three main types: the Haas, Hyrax, and banded/bonded variants. They work by applying force to separate the midpalatal suture. Indications include transverse maxillary deficits causing crossbites or crowding. Optimal timing is ages 8-15, as the suture fuses later. Appointments include fitting bands or bonding, taking impressions, and cementing/activating the expander. Patients turn a screw daily to gradually widen the pala

Author

tonhanrhm

Language

EN