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Exam questionKROK 2Dentistry · 2019

After adenotonsillectomy it is necessary to break the mouth breathing habit in a 4-year-old child. The orthodontist recommends application of an oral vestibular shield (Kerbitz’ vestibular plate). Vestibular shield facilitates training of the following muscle:

Answer options

  1. Lateral pterygoid muscle
  2. Orbicular muscle
  3. Medial pterygoid muscle
  4. Masseter muscle
  5. Temporal muscle
Correct answer

Orbicular muscle

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