Dentistry (Yr3)

Question 1

what is the deciduous dental formula of equids?

Answer 1

3/3
0/0
3/3

Question 2

what is the permanent dental formula for equids?

Answer 2

3/3
1/1 (0/0)
3/3 (4/4)
3/3

Question 3

what are the quadrants for the triadan system?

Answer 3

1. upper right
2. upper left
3. lower left
4. lower right
   (deciduous is 5 to 8)

Question 4

when do deciduous incisors erupt?

Answer 4

central 6 days
middle 6 weeks
corner 6 months

Question 5

when do permanent incisors erupt?

Answer 5

central 2.5 years
middle 3.5 years
corner 4.5 years

Question 6

when do the permanent cheek teeth erupt?

Answer 6

06 at 2.5 years
07 at 3.5 years
08 at 4 years
09 at 1 year
10 at 2 years
11 at 3.5 years

Question 7

horses teeth are anisognathia, what does this mean?

Answer 7

maxillary check teeth are further apart than mandibular

Question 8

which side of the maxillary cheek teeth become overgrown?

Answer 8

buccal aspect

Question 9

what side of the mandibular check teeth become overgrown?

Answer 9

mandibular

Question 10

what is brachygnathism?

Answer 10

overbite (overly long maxilla compared to mandible)

Question 11

what is prognathism?

Answer 11

underbite (overly long mandible compared to maxilla)

Question 12

what is wry nose?

Answer 12

deviation of the entire maxilla (and possible rotation)

Question 13

what does slant mouth indicate?

Answer 13

horse is eating predominantly on one side (more wear on one side)