Muscles Of Mastication

Muscles Of Mastication

Question 1. Write briefly about the temporomandibular joint.
Answer:

Temporomandibular Joint Articular surfaces:

1. Upper articular surface formed by.

• Articular tubercle.
• Anterior part of mandibular fossa.

2. Lower articular surface formed by.

• Head of the mandibular fossa.

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Temporomandibular Joint Ligaments:

• Fibrous capsule.
• Lateral ligament.
• Sphenomandibular ligament.
• Stylomandibular ligament.

Temporomandibular Joint Movements:

• Rotational movements – take place in the lower compartment of the joint.
• Gliding movements – take place in the upper compartment of the joint.

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Temporomandibular Joint Blood supply:

• Branches from maxillary and superficial temporal arteries.
• Veins follow arteries.

Temporomandibular Joint Nerve supply:

• Auriculotemporal nerve.
• Massetric nerve.

“Importance of studying muscles of mastication for dental students: Questions explained”

Question 2. Mastication
Answer:

• It is the mechanical process that breaks up larger food particles into smaller pieces

Mastication Importance:

• Makes it easy for food to be swallowed
• Mixes food with the secretions of the salivary glands to soften it
• Increases the surface area of food particles to enable subsequent digestion
• Important for most fruits and raw vegetables because they contain undigestible cellulose membrane

Mastication Muscles of mastication:

• They help in mastication through their actions
• Muscles and their actions

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