Introduction to dentistry

Question 1

What is the apical delta

Answer 1

supplies nerve and blood vessels

Question 2

What is the enamel?

Answer 2

hardest tissue in mammalian body; outermost layer

Question 3

What is cementum?

Answer 3

outer layer of the root
- acts functionally as periosteum of the root
- part of the periodontal support apparatus

Question 4

what is dentin?

Answer 4

• main component of the tooth
• consists of multiple tubules & sensory nerve fibers
• similar hardness to bone but softer than enamel
  continually produced by living, healthy tooth

Question 5

What is the mucogingival junction?

Answer 5

where attached gingiva & oral mucosa meets

Question 6

What us the gingival sulcus

Answer 6

• space between free gingiva & the tooth
• commonly traps debris

Question 7

What are the components of the periodontal support apparatus/ perodontium?

Answer 7

• alveolar bone
• lamina dura
• periodontal ligament
• cementum
• gingiva

Question 8

What is the lamina dura?

Answer 8

dense cortical bone forming the wall of the alveolus next to the teeth

Question 9

What is the periodontal ligament?

Answer 9

connective tissue that fills the space between tooth and alveolar bone

Question 10

What is the periodontal ligament composed of?

Answer 10

collagen, elastic fibers, blood vessels, nerves & lymphatics

Question 11

Purpose of periodontal ligament

Answer 11

shock absorption, attachment of the teeth, supply of nutrients to alveolar bone & cementum

Question 12

Deciduous teeth formula K9

Answer 12

2x (3/3, 1/1, 3/3, 0/0)

Question 13

How many deciduous teeth do dogs have?

Answer 13

28

Question 14

Dental formula for adult canine

Answer 14

2x (3/3, 1/1, 4/4, 2/3)

Question 15

How many teeth does adult dog have?

Answer 15

42

Question 16

Dental formula of kitten

Answer 16

2x (3/3, 1/1, 3/2, 0/0)

Question 17

How many deciduous teeth does a kitten have?

Answer 17

26

Question 18

Dental formula of adult cat

Answer 18

2x (3/3, 1/1, 3/2, 1/1)

Question 19

How many teeth do adult cats have?

Answer 19

30

Question 20

When does all permanant teeth comes in in dogs?

Answer 20

7 months

Question 21

When do all the deciduous teeth grow in for dogs?

Answer 21

10 weeks

Question 22

When do all deciduous teeth come in for kittens

Answer 22

6 weeks

Question 23

When do all adult teeth come in for cats?

Answer 23

6 months

Question 24

How are teeth numbered?

Answer 24

Triaden numbering system

Question 25

How are deciduous teeth quadrants numbered?

Answer 25

500-800

Question 26

what are some good dental questions to ask?

Answer 26

- current diet - current home care - illness/ medication - previous anesthesia/ surgery - orthodontic inplants

Question 27

What does succor mnemonics check for

Answer 27

- survey & sense - unfurl - count - counter/ colour - occlusion - reopen - skull type

Question 28

What is dolichocephalics prone to?

Answer 28

base narrow occlusion (ex. Doberman) - decreased space in lower canine

Question 29

What is mesocephalic prone to?

Answer 29

facial trauma, jaw, tooth fracture

Question 30

What is brachycephalics prone to?

Answer 30

prognathism, missing teeth, teeth crowding, malalignment

Question 31

What does the orastrip check for?

Answer 31

measures the thiol level produced by oral bacteria - can indicate that periodontal disease is more severe even though teeth and gingiva appears normal