Muscles Of Mastication: Nerve supply
Describe muscles of mastication under headings:
Origin Insertion Nerve supply Action (e) Applied aspect
Answer:
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muscles of mastication Applied Aspects:
- Masseter muscle
- It can be palpated both intraorally and extraorally
- Common muscle involved in myositis ossificans
- It shows dual action in complete denture
- It commonly undergoes hypertrophy in bruxism
- Temporalis muscle
- Sudden contraction of it results in coronoid fracture
- Lateral pterygoid
- Commonly involved muscle in MPDS
- Only muscle of mastication which has attachment to the TMJ
- It forms roof of pterygomandibular space
- Medial pterygoid
- It can be palpated only intraorally
- Commonly involved in MPDS
- Trismus following inferior alveolar nerve block is mostly due to involvement of medial pterygoid muscle
“Steps to explain functions of nerve supply: Motor control vs proprioception: Q&A guide”
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