Dentistry

Question 1

What percentage of pets have periodontal disease?

Answer 1

70-80%

Question 2

What direction is apical?

Answer 2

Towards the root

Question 3

What direction is buccal?

Answer 3

Towards the cheel

Question 4

What is cementum?

Answer 4

Hard connective tissue covering the tooth root and sometimes the crown

Question 5

What is dentin?

Answer 5

bulk of the tooth, hard-connective tissue of the tooth made mostly of calcium and collagen

Question 6

What is enamel?

Answer 6

White hard outer layer of the crown made mostly of calcium

Question 7

What direction is lingual?

Answer 7

Towards the tongue

Question 8

What are brachydont teeth?

Answer 8

Low crowned teeth that are seen in dogs, cats, and humans

Question 9

What are hypsodont teeth?

Answer 9

High-crowned teeth with 2 types - radicular and aradicular

Question 10

What are radicular hypsodont teeth and what animals have them?

Answer 10

Teeth that continuously erupt but are not growing
Horses, cattle, deer

Question 11

What are aradicular hypsodont teeth and what animals have them?

Answer 11

Teeth that are continuously growing
Rodents, lagomorphs, chinchillas

Question 12

What is the dental formula for dogs?

Answer 12

Dogs: 2 (I 3/3 C 1/1 P 4/4 M 2/3) = 42

Question 13

What is the dental formula for cats?

Answer 13

Cats: 2 (I 3/3 C 1/1 P 3/2 M 1/1) = 30

Question 14

What is the dental formula for ruminants?

Answer 14

Cows/Sheep/Goats: 2 (I 0/3 C 0/1 P 3/3 M 3/3) = 32

Question 15

What is the dental formula for horses?

Answer 15

Horses: 2 (I 3/3 C 0-1/0-1 P 3-4/4 M 3/3) = 36-42

Question 16

What is the dental formula for pigs?

Answer 16

Pigs: 2 (I 3/3 C 1/1 P 4/4 M 3/3) = 44

Question 17

What is the dental formula for rabbits?

Answer 17

Lagomorphs: 2 (I 2/1 C 0/0 P 3/2 M 3/3) = 28

Question 18

What is the dental formula for rats/mice?

Answer 18

2 ( I 1/1 C 0/0 P 0/0 M 3/3) = 16

Question 19

What is the normal sulcus depth of the teeth in dogs when examining with a periodontal probe?

Answer 19

0-3 mm

Question 20

In normal occlusion, what is the proper position of the incisors and canine teeth when the mouth is closed?

Answer 20

Mandibular incisors are palatal to the maxillary incisors, and the mandibular canine is mesial to the maxillary canine

Question 21

What suture is most appropriate for the closure of a dental extraction site in a small animal patient?

Answer 21

4-0 Monocryl

Question 22

How long does it take for plaque to harden into tartar?

Answer 22

Approximately 24 hours

Question 23

Describe dentin.

Answer 23

Covers the pulp
Makes up the majority of the tooth
Hard as a bone, but softer than enamel

Question 24

Describe rabbit dentition.

Answer 24

Have 4 incisors - 2 on top and 2 on bottom

Behind the top incisor teeth are two small peg-like teeth called auxiliary incisors or “peg teeth”

Have cheek teeth that they use to grind their food - 6 upper premolars, 4 lower premolars, 6 upper molars and 6 lower molars

Question 25

A Class II malocclusion describes which of the following conditions?

Answer 25

Overshot jaw or overbite

Question 26

Bupivacaine is a commonly used agent for dental nerve blocks. What is the maximum total cumulative dose in a cat during any given procedure?

Answer 26

1 mg/kg

Question 27

Bupivacaine is a commonly used agent for dental nerve blocks. What is the maximum total cumulative dose in a dog during any given procedure?

Answer 27

2 mg/kg

Question 28

What percentage of dogs and cats, on average, has periodontal disease?

Answer 28

It is thought that 80% of dogs and 70% of cats have some degree of periodontal disease over the age of 3 years

Question 29

The 4th upper premolars are connected with which structure in dogs?

Answer 29

4th upper premolars (carnassial teeth) communicate directly with the maxillary sinus

Question 30

What species has a double row of incisors?

Answer 30

Rabbits have a second row of incisors distal to the proximal incisors

Question 31

What is alginate?

Answer 31

Material used to record impressions or imprints of teeth for orthodontic evaluation

Question 32

Which of the following drugs can cause discoloration of puppy teeth?

Answer 32

Tetracyclines can cause a discoloration of puppy teeth Tetracycline binds to calcified tissues (bone, cementum, dentin), gets incorporated into the hydroxyapatite crystals with the calcium, and causes the discoloration Occurs with puppy teeth because the teeth are still being actively formed - after the adult teeth are present, this should no longer occur

Question 33

How many upper incisors does a goat have?

Answer 33

Goats have no upper front teeth (incisors); their upper front mouth is one big gumline

Question 34

This 6-year-old Friesian cow has developed a mass on the left jaw region. The farmer reports that it developed over the last several weeks. The mass is firm, immobile, and painful on manipulation. While assisting the veterinarian, you notice a thick granular discharge coming from the mass. The veterinarian suspects "lumpy jaw", which is caused by which of the following agents?

Answer 34

Lumpy jaw is caused by Actinomyces bovis Most often diagnosed by palpating a firm mass that is immobile over the mandible

Question 35

When are needle teeth in piglets usually clipped?

Answer 35

Piglets are born with 8 sharp needle or milk teeth. The teeth can lacerate the sow during nursing, and playing or fighting behavior with other piglets may cause trauma. The teeth are most often clipped within the first 24 hours after birth.

Question 36

If a veterinarian has pulled the upper right wolf tooth on a horse, what tooth number has been extracted according to the Modified Triadan System?

Answer 36

105

Question 37

Which dental nerve block provides local anesthesia for extraction of a mandibular molar?

Answer 37

Inferior alveolar nerve block

Question 38

Which of the following animals develops dental caries?

Answer 38

Rabbits and chinchillas

Question 39

When viewing dental radiographs, you notice a black line surrounding each tooth root. What does this black line represent?

Answer 39

Periodontal ligament space

Question 40

Which of the following animals do not have canine teeth? A.Ferrets B.Rodents C.Horses D.Pigs

Answer 40

Rodents do not have canine teeth. Horses, pigs and ferrets all have canine teeth.