Which of the Following Muscles, When Contracted, Make the Client's

question 44

Multiple Choice

Which of the following muscles, when contracted, make the client's vestibule tight and shallow, thereby making it difficult to instrument the facial aspect of the anterior mandibular teeth?

• A)Levator anguli oris
• B)Depressor labii inferioris
• C)Mentalis
• D)Zygomaticus major

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