Dental Diseases 2

Question 1

Damage to ameloblasts during enamel development or exposure of enamel to corosive material

Answer 1

Enamel hypoplasia/hypocalcification

Question 2

What causes enamel hypoplasia/hypocalcification?

Answer 2

High fevers, distemper, endocrine dysfunction early in life

Question 3

Why will dentin stain more easily than enamel?

Answer 3

It is porous

Question 4

Not enough attachment for teeth

Answer 4

Radicular dysplasia

Question 5

How can you treat enamel hypoplasia/hypocalcification is only a few teeth are affected?

Answer 5

Conservative management, composite restoration and crown

Question 6

How do you treat diffuse enamel hypoplasia/hypocalcification?

Answer 6

Teeth brushing, regular cleanings, extractions as needed

Question 7

What antibiotic will stain teeth yellow if given while they are still developing (in utero, <6mo)

Answer 7

Tetracycline

Question 8

Which layer is affected by tetracycline?

Answer 8

Dentin

Question 9

Which antibiotic is a better choice to avoid staining?

Answer 9

Doxycycline

Question 10

pathological wearing due to contact w/opposing tooth (malocclusion)

Answer 10

Attrition

Question 11

Caused by abnormal contact with crown by a foreign object

Answer 11

Abrasion

Question 12

What causes dental caries?

Answer 12

Bacteria + carbs = decalcify enamel and dentin

Question 13

Which teeth are most often affected by caries?

Answer 13

Teeth with flat surfaces

Question 14

What do dental caries look like?

Answer 14

Brownish, soft, leathery

Question 15

How do you tx dental caries?

Answer 15

Pulp capping, extraction

Question 16

What causes focal gingival hyperplasia?

Answer 16

Periodontal disease

Question 17

Which breed exhibits generalized gingival hyperplasia?

Answer 17

Boxers

Question 18

What drugs cause gingival hyperplasia?

Answer 18

Cyclosporine, Ca+channel blockers, anticonvulsants

Question 19

General term applied to anything that can affect the pulp

Answer 19

pulpitis

Question 20

Why does the tooth look bruised with pulpitis?

Answer 20

Damage to pulp can cause blood cells to break and trickle down to get trapped in the canal

Question 21

How often is pulpitis reversible?

Answer 21

<10% of the time

Question 22

Decreased wall thickness, lucency around the apex, and apical root resorption

Answer 22

Endodontic disaese

Question 23

Occurs b/c affected tooth is not maturing at the same rate as its counterpart in the opposite arcade

Answer 23

Decreased wall thickness

Question 24

When a tooth fracture considered “complicated”

Answer 24

When pulp is affected/exposed

Question 25

What are clinical signs of periapical granuloma/abscess?

Answer 25

Nasal disease, intraoral fistula, retrobulbar disease

Question 26

Which teeth is it likely to see orbital-related clinicla signs and an external draining tract associated with a periapical granuloma/abscess and why?

Answer 26

M1 and M2 sit in base of zygomatic arch

Question 27

What are draining tracts usually caused by (that’s not a tooth abscess)?

Answer 27

FB

Question 28

Opening mouth is extremely painful

Answer 28

Retrobulbar disease caused by periapical granuloma

Question 29

Partially dislocated from alveolus but retains some attachment

Answer 29

Luxation

Question 30

Completely displaced from alveolus

Answer 30

Avulsion

Question 31

How long do you have to replace a luxated/avulsed tooth after injury?

Answer 31

30 minutes