Nerves Flashcards
What Is the V cranial nerve called?
Trigeminal
How many pairs of cranial nerves are there?
12
Which nerve supplies the upper anterior teeth?
Superior anterior dental nerve
Which nerve supples the lower molars?
Inferior dental nerve
Which nerve supplies the lower anterior teeth?
Incisive nerve
Which nerve exits through the mandibular foramen?
Inferior dental nerve
What are the 4 types of injections?
ID block Intraligamentry Infiltration Intrapulpal (endo) Intraoesous
What can nerves function as?
Sensory/motor/both
List the 12 cranial nerves
l - olfactory (smell) ll - optic lll - oculomotor (eye) lV - trochlear (eye) V - trigeminal (both) Vl - abducens (eye) Vll - facial Vlll - auditory lX - glossopharyngeal (both-taste-swallow) X - vagus Xl - accessory Xll - hypoglossal.
What are the four nerves dentistry related?
V- trigeminal (5th)
Vll - facial (7th)
lX - glossopharyngeal (9th)
Xll-hypoglossal
What is the 12th cranial nerve?
Hypoglossal
Motor- tongue muscles
What is the ninth cranial nerve?
Glossopharyngeal
Sensory - taste
Motor- swallowing
What is the 7th cranial nerve?
Facial
Sensory - taste
Motor - muscle of facial expression
What is the largest cranial nerve?
Trigeminal
What 3 divisions does the trigeminal nerve split into?
Ophthalmic
Maxillary
Mandibular
What does the ophthalmic nerve supply?
Eyes
Forehead
Eyebrows
(Sensory)
What does the maxillary nerve supply?
Maxillary teeth
Maxilla
Middle of face
(Sensory)
What does the mandibular nerve supply?
Lower teeth Mandible Lower area of face Muscles of mastication (Sensory/motor)
What two branches does the maxillary nerve divide into?
Superior dental nerve
Palatine nerve
The superior dental nerve divides into which three branches?
Anterior superior dental nerve
Middle superior dental nerve
Posterior superior dental nerve
Which two branches does the palatine nerve divide into?
Greater palatine nerve (exits through GP foramen)
Naso-palatine nerve (exits through incisive foramen)
The mandibular divides into which 3 branches?
Long buccal nerve
Lingual nerve
Inferior dental nerve (exits through mandible foramen)
What are the causes of trigeminal neuralgia?
Compression of nerve Trauma Infections Tumours Idiopathic Sign if underlying problem
What are the major arteries that supply the head and neck?
Carotid arteries
The inferior dental nerve divides into which two nerves?
Incisive nerve
Mental nerve
What is the amount in LA cartridges?
2.2ml or 1.8ml
What is in a LA cartridge?
Anaesthetic Vasoconstrictor Buffer (saline) Preservative Fungicide/antiseptic Bung (latex)
What is another name for a bruise?
Haematoma
