Local Anesthesia in Dentistry

Question 1

Opthalmic nerve carries sensory info from

Answer 1

• Scalp
• Forehead
• Upper eyelid
• Conjunctiva and cornea
• Nose
• Nasal mucosa
• frontal sinus

Question 2

Maxillary Nerve carries sensory info from 9

Answer 2

• Lower eyelid and cheek
• Upper lip
• Upper teeth and gum
• Nasal mucosa
• Palate and roof of the pharynx
• Maxillary
• Ethmoid
• Sphenoid sinuses
• Parts of the meninges

Question 3

Maxillary Nerve course and branches

Answer 3

• Projects anteriorly, infraorbital nerve gives off the Anterior and Middle Superior Alveolar nerves
  
  • innervating upper teeth
• Exits canal through the infraorbital foramen to innervate the upper lip, cheek and side of the nose

Question 4

Mandibular nerve carries sensory info from 5

Answer 4

• Lower lip
• lower teeth and gums
• Chin and Jaw
  
  • except angle of the jaw
• External ear
• Meninges

Question 5

Where does the trigeminal nerve enter

Answer 5

Trigeminal nerve enters the brainstem at the level of the Pons

Question 6

Where is the trigeminal ganglion located

Answer 6

Trigeminal ganglion is located at the apex of the petrous part of the temporal bone in the middle cranial fossa

Question 7

List 4 side branches from Mandibular Nerve

Answer 7

• Auriculo-temporal nerve
• Lingual nerve
• Mylohyoid nerve
• Inferior alveolar nerve
• Buccal Nerve

Question 8

The buccal nerve, lingual nerve and auriculotemporal nerve innervate…

Answer 8

• Buccal nerve
  
  • Mucosa of the mouth and gums
• Auriculotemporal nerve
  
  • external auditory meatus, external tympanic membrane
• Lingual nerve
  
  • General sensation to anterior 2/3 of tongue