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Questions and Answers
Which feature is NOT found on the external surface of the mandible?
Which feature is NOT found on the external surface of the mandible?
What is the part of the mandible that supports the teeth?
What is the part of the mandible that supports the teeth?
Which of the following movements refers to the mandible moving backwards?
Which of the following movements refers to the mandible moving backwards?
Which internal feature of the mandible is responsible for muscle attachment?
Which internal feature of the mandible is responsible for muscle attachment?
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Which of the following defines the lateral excursion of the mandible?
Which of the following defines the lateral excursion of the mandible?
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Study Notes
External Features of the Mandible
- The mandible has an external oblique ridge.
- A mental foramen is present.
- The mental protuberance (chin) is a noticeable feature.
- Mental tubercles are also observed.
Internal Features of the Mandible
- Digastric fossae are present internally.
- The mental spine (genial tubercles) are internal structures.
- A mylohyoid ridge is an internal feature.
- A submandibular fossa is identified internally.
- A sublingual fossa is also present internally.
- The mandibular (inferior dental) foramen is located within the mandible.
Parts of the Mandible
- The body of the mandible is the main horizontal portion.
- The coronoid process is a prominent projection.
- The ramus is the vertical portion of the mandible.
- The condyle (head) and neck are articulating parts.
- The alveolar process is the tooth-bearing portion.
Mandibular Movement
- Opening and closing involve TMJ rotation and translation.
- Protrusion is forward movement in a straight line.
- Retrusion is backward movement.
- Lateral deviation is movement to the left or right.
- Lateral excursion is movement from one side to the other.
- Medial excursion is movement back toward the midline.
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Description
Explore the external and internal features of the mandible, including its distinct parts and movement mechanics. This quiz covers key anatomical terms and functions of the mandible, crucial for understanding jaw anatomy in dentistry and medicine.
