Simple Hyrax
The Mini Expander uses the first molars for anchorage and has support arms extending to the first bicuspids. Similar to the traditional RPE, the Mini Expander has an expansion capability. With a highly visible activation hole, expansion has never been easier. The Mini Expander is the most popular expansion device made at Specialty
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Treatment & Care
Not unlike the Hyrax and Haas appliances, the Simple Hyrax is a rapid palatal suture expander that requires just a single activation a day. Bonded on the first permanent molars only, this version can be worn on the longer term because it allows more space for the tongue.
