JVD 2020 #4 Dental Pathology of the Domestic Pig (Sus Scrofa Domesticus); Smith, Rawlinson Flashcards Preview

JVD 2019-2021 > JVD 2020 #4 Dental Pathology of the Domestic Pig (Sus Scrofa Domesticus); Smith, Rawlinson > Flashcards

Flashcards in JVD 2020 #4 Dental Pathology of the Domestic Pig (Sus Scrofa Domesticus); Smith, Rawlinson Deck (16)
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1
Q

Porcine deciduous dental formula

A

2( i3/3, c 1/1, p 3/3)

313/313

2
Q

Porcine permanent dental formula

and description

A

2 (I 3/3, C 1/1, P 4/4, M3/3)
diphyodont, heterodont and brachydont except the canines
3143/3143

3
Q

Describe the terminology for the male canine tooth (tusk)

A

Aradicular, hypsodont and elodont

4
Q

Terminology for the female canine tooth

A

radicular, hypsodont with apical closure between 2-3 yrs age

5
Q

Age for complete eruption and root development

A

29-30 months ~2.5yr

6
Q

Tooth root numbers for the domestic pig

A

I, C, 1st PM= 1 root
PMs= 2 roots
M= long, slender, overlapping roots. M1 & M2 have 4 roots. M3 5-6 roots

7
Q

Special features of the skull and oral cavity in pigs compared to dogs/cats

A

extremely long, slender maxilla and mandible
thick layer of adipose tissue
restricted oral aperture
prominent , purple-colored parotid papilla

8
Q

How many pigs in the study had periodontal disease?

A

20 of 23 pigs (87%)

9
Q

Many pigs had multiple stages of PD associated with different teeth in the oral cavity. How many had stage 3 and stage 4?

A

Stage 3= 6/20 (30%)
Stage 4= 3/20 (15%)

These led to severe mucogingival defects in 6 pigs (6/9, 67%)

10
Q

How many pigs had missing teeth?

A

21 of the 23 pigs (91%) were missing teeth. Most common was the 1st premolar.

11
Q

What percentage of pigs had partially erupted teeth (beyond age of anticipated eruption)?

A

74%.

No partially erupted PMs

12
Q

What percentage of pigs had unerupted teeth? What was most common unerupted tooth?

A

52% (12/23); the incisors were most common

13
Q

How many pigs had persistent deciduous teeth?

A

10 pigs (43%)

14
Q

How many pigs had open apices beyond expected for age (not including male canines/tusks)

A

13 (57%)

15
Q

What was the most common anomaly?

A

Missing teeth (91%), mainly affecting the first premolar

16
Q

Supernumerary roots were seen in which maxillary canines?

A

Those of female pigs only

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