Structure of the Tooth

Question 1

Trigeminal nerve

Answer 1

each of the fifth and largest pair of cranial nerves, supplying the front part of the head and dividing into the ophthalmic, maxillary, and mandibular nerves.

Question 2

Ophthalmic nerves

Answer 2

V3; The ophthalmic nerve supplies sensory innervation to the structures of the eye, including the cornea, ciliary body, lacrimal gland, and conjunctiva. It also supplies nerves to the part of the mucous membrane of the nasal cavity, and to the skin of the eyelids, eyebrow, forehead, and nose

Question 3

Maxillary nerve

Answer 3

V2; The maxillary nerve is the second division of the trigeminal nerve and is also known as the V2 division. This nerve is the middle division of the trigeminal nerve and is attached to the distal convex border of the trigeminal ganglion. The maxillary nerve exits from the cranial cavity through the foramen rotundum.

Question 4

Mandibular Nerves

Answer 4

V1; The mandibular nerve innervates the lower face including the mandible, lower teeth, and oral mucosa, the anterior two-thirds of the tongue, lower lip, temporomandibular joint, the mastication muscles, and some smaller muscles, the skin of the temporal region, an area of the auricle and external acoustic meatus.

Question 5

Block Injection

Answer 5

Blocking a section of the nerve

Question 6

Infiltration Injection

Answer 6

Often used with the upper teeth; only use around the tooth that’s getting worked on

Question 7

PDL Injection

Answer 7

Goes into the PDL