Anne J. Yoon DDS MS Orthodontist

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Category Archives: Expanders

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Rapid Palatal Expander

This fixed appliance is used in orthodontics to create more space in the jaws  during growth, to accommodate teeth.  It works by separating the two bones of the upper jaws which are connected at the roof of the mouth by a suture.  The best time to use this appliance is when you are still growing […]

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Schwartz

Overview The Schwartz is a removeable expander, which acts to slowly expand the lower jaw to develop the lower arch form, upright the teeth & create more room for the permanent teeth to erupt. Common Concerns  *Most patients require between two to three days to become accustomed to the device. *Some changes in speech may […]

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Quad Helix

Overview This fixed appliance is different from other expanders in that it doesn’t require patient compliance & expands the upper jaw more slowly, thus creating a more gentle physiological response. This is an excellent appliance to expand narrow upper jaws & to  treat mild-moderate crowding and or cross-bites. The appliance must remain in your mouth […]

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