INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the main purpose of the Herbst appliance?

  1. Correcting overbite

  2. Placing mandible forward

  3. Expanding the palate

  4. Retracting the mandible

The correct answer is: Placing mandible forward

The Herbst appliance is a type of orthodontic appliance used primarily for correcting a patient's overbite. It works by positioning the lower jaw (mandible) forward in relation to the upper jaw (maxilla), thereby improving the alignment of the teeth and the overall facial profile. This option is the main purpose and function of the Herbst appliance, making it the correct answer. The other options, such as expanding the palate or retracting the mandible, are not the main purpose and function of the Herbst appliance and are therefore incorrect.

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