In Dentistry, What Is a Palatal Expander?

A palatal expander, also known as a palate expander, is a dental device that is used to widen the upper jaw of a person’s mouth. Palatal expanders are generally used to correct a cross bite, to create more room in the upper jaw for permanent teeth to come in correctly, or to create more room for teeth that have already come in. Palate expanders are also often used to prepare the jaw and teeth for orthodontic work such as the installation of braces.

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