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Muscles of Mastication
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This lesson covers important MCQs from muscles of mastication.

SUJALA M U
Hi, I am Dr. Sujala, a practising dentist. Iam graduate from CDC in 2015.

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Bahut Bahut Dhanyavad sir.
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very helpful video
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Can you please explain the concepts of.........
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  1. Muscles Of Mastication


  2. 1.Muscles of mastication include a) b) c) d) Masseter Temporalis Lateral pterygoid All of the above


  3. Ans -All of the above Muscles of mastication include a) b) c) d) Masseter Temporalis Lateral pterygoid Medial pterygoid


  4. 2. Masseter muscle originate from a) b) c) d) Zygomatic arch Temporal fossa Infratemporal surface Maxillary tuberosity


  5. Ans -Zygomatic arch It originate from zygomatic arch and zygomatic process of maxilla


  6. 3. Superficial fibres of masseter muscle insert into a) b) c) d) Lateral surface of ramus Medial surface of ramus Posterior surface of ramus Anterior surface of ramus


  7. Ans -Lateral surface of ramus Superficial fibres - lateral surface of Ramus middle fibres middle part of the ramus deep fibers - upper part of ramus


  8. 4. Fan shaped muscle of mastication a) b) c) d) Masseter Temporalis lateral pterygoid Medial pterygoid


  9. Ans- Temporalis Fan shaped muscle fills the temporal fossa


  10. 5. Temporalis muscle originate from a) b) c) d) Zygomatic arch Temporal fossa Infratemporal surface Maxillary tuberosity


  11. Ans - Temporal fossa Temporalis muscle originate from temporal fascia, temporal fossa excluding zygomatic bone


  12. 6. Temporalis muscle fibers inserted into a) b) C) d) Lateral surface of ramus Coronoid process Capsule of tmj Pterygoid fovea


  13. 7. Fibres of medial pterygoid muscle arise from a) b) C) d) Tuberosity of maxilla Infratemporal surface Zygomatic arch Greater wing of sphenoid


  14. Ans -both a and b


  15. 10. Muscles help to retract the protruded mandible a) b) c) d) Masseter Temporalis Lateral pterygoid Medial pterygoid


  16. Ans Temporalis


  17. 11. Muscles help to protrude the mandible a) b) c) d) Masseter Lateral pterygoid Medial pterygoid Both b&C


  18. Ans- All of the above


  19. Ans- Mandibular nerve