Mandible - Regional Anatomy

Question 1

What are the 3 parts of the mandible?

Answer 1

• horizontal tooth bearing portion - body
• flattened vertical portion - ramus
• junction between the two - angle

Question 2

Body of the mandible

Answer 2

Pear shaped in section.
features:
• Symphysis
• Mental protruberance
• Mental tubercles
• Incisive fossa
• Mental foramen
• External oblique line.
• Alveolar process

Question 3

Features of the internal surface

Answer 3

• Inferior & superior genial tubercles
• Digastric fossa
• Mylohyoid line
• Sublingual fossa
• Submandibular fossa

Question 4

Ramus

Answer 4

Roughly rectangular in shape.
Features:
• Angle
• Coronoid process
• Condyle – head and neck
• Mandibular notch
• Mandibular foramen
• Lingula
• Mylohyoid groove