Anatomy

Question 1

Mesaticephalic

Answer 1

Mesati = medium. Most common head type. Labradors, DSH..

Question 2

Bracychephalic

Answer 2

Brachy = short. Short, wide heads. Pugs, Persians..

Question 3

Dolichocephalic

Answer 3

Dolicho = long. Long, narrow heads. Collies, Siamese..

Question 4

Maxilla

Answer 4

Upper jaw.

Question 5

Rugae Palatinae

Answer 5

Irregular ridges covering the hard palate

Question 6

Incisive Papilla

Answer 6

Located behind the central incisors. Connected to the vomeronasal organ to detect pheromones.

Question 7

Nasopalatine Ducts

Answer 7

Located on each side of the incisive papilla.

Question 8

Lateral Palatine Fold

Answer 8

Area where the two jaws join in the back of he oral cavity.

Question 9

Madible

Answer 9

Lower jaw.

Question 10

Temporomandibular Joint

Answer 10

TMJ. Joint connecting he maxilla and the mandible.

Question 11

Mandibular Symphysis

Answer 11

Where the wo mandibles are fused.

Question 12

Oral Mucosa

Answer 12

Tissue that forms the lining of most of the oral cavity. Ends at the lips.

Question 13

Cusp

Answer 13

Tip of the crown.

Question 14

Enamel

Answer 14

Hardest substance in the body. Covers the crown. Only present above the gumline.

Question 15

Ameloblasts

Answer 15

Cells producing enamel. Producing while the tooth is developing.

Question 16

Neck

Answer 16

Indentation where the enamel thins close to the gumline.

Question 17

Apex

Answer 17

Most caudal part of the root.

Question 18

Apical Delta

Answer 18

Series of small channels where the blood vessels and nerves enter the tooth. Smaller than Apical Foramen

Question 19

Apical Foramen

Answer 19

Series of larger channels where the blood vessels and nerves enter the tooth. Larger than Apical Delta

Question 20

Dentine

Answer 20

Bulk portion of the tooth. Surrounded by enamel/cementum.

Question 21

Odontobalsts

Answer 21

Cells producing dentine. Producing throughout the life of the tooth.

Question 22

Pulp Chamber

Answer 22

Lined by odontoblasts. Consists of nerves, bloods vessels, and different types of o cells and fibrous tissues.

Question 23

Root Canal

Answer 23

Portion of the pulp chamber below he gumline.

Question 24

Attached Gingiva

Answer 24

Epithelial Tissue that is harder and more tightly attached to supportive structures.

Question 25

Keratinization

Answer 25

Hardening process of the attached gingiva.

Question 26

Free Gingiva

Answer 26

Portion of the gingiva that is not directly attached to the tooth or supporting structures.

Question 27

Free Gingival Groove

Answer 27

Slight groove between the free and attached gingiva.

Question 28

Sulcus

Answer 28

Area between the free gingiva and the tooth.

Question 29

Pocket

Answer 29

Diseased sulcus.

Question 30

Alveolar Mucosa

Answer 30

Less densely keratinized gingival tissue covering the bone.

Question 31

Attachment Apparatus

Answer 31

Includes the structures that support the tooth.

Question 32

Periodontal Ligament

Answer 32

Fibrous structure that holds the tooth in place in the alveolus.

Question 33

Alveolus

Answer 33

Tooth socket.

Question 34

Cementum

Answer 34

Covers the dentine below the gumline. Can repair itself if damage.

Question 35

Sharpey's Fibers

Answer 35

Attaches the periodontal ligament to the cementum and the bone.

Question 36

Furcation

Answer 36

Area where the roots join the crown

Question 37

Bifurcation

Answer 37

Furcation in a 2 rooted tooth

Question 38

Trifurcation

Answer 38

Furcation in a 3 rooted tooth

Question 39

Diastema

Answer 39

Space between the lateral incisors and maxillary canine.

Question 40

Cingulum

Answer 40

Ledge on the palatal side of the maxillary incisors.

Question 41

Trigeminal Nerve

Answer 41

Responsible for the sensory innervation of the oral cavity. Divides into ophthalmic, mandibular and maxillary nerve.

Question 42

Maxillary Nerve

Answer 42

Innervates the maxillary teeth and maxillary soft tissues. Branches into the infraorbital and palatine nerves

Question 43

Mandibular Nerve

Answer 43

Branches into the lingual nerve (innervates the tongue) and branches into the mental nerves.