posterior crossbite

What is a Rapid Palatal Expander?

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A Rapid Palatal Expander (RPE) is an upper appliance that places pressure on the upper jaw (maxilla) by turning a midline screw. The pressure separates the mid palatal suture thus making the maxilla wider, which can correct crossbites and creat space. RPEs are used often to correct posterior crossbites. – CONTINUE READING –

What is a Crossbite?

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When a patient puts their teeth together we call that relationship – in occlusion.  One of the things an orthodontist looks for, in a patient’s occlusion, is that the upper teeth are out over top of the lower teeth.  That is normal – CONTINUE READING –