Exam questionKROK 1Dentistry ยท 2009
Study of a patient's facial gesture revealed that he couldn't whistle, round his lips; mouth corners didn't rise during laughing, oral fissure stretched sidewards (transversal smile). These symptoms indicate the atrophy of the following muscle:
Answer options
- Greater zygomatic muscle
- Cervical muscle
- Orbicular muscle of mouth
- Masticatory muscle
- Risorius muscle
Correct answer
Orbicular muscle of mouth
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