Dentistry Flashcards
The outermost layer of the tooth covering the crown which is composed of crystals of hydroxyapatite is called the ________
enamel
What does the enamel do?
Protects against bacteria
The thickest layer of the tooth between the pulp and the enamel is called the _____ layer
Dentin
_____ is the innermost layer of the tooth and is rich with blood vessels, nerves and lymphatics
Pulp
What is the CEJ?
Cementoenamel junction, where the crown meets the root
_____ holds the tooth in the alveolus (socket) by attaching the tooth to the alveolar bone
Peridontal ligament
Normal gingival sulcus depth in dogs:
1-3mm
Normal gingival sulcus depth in cats:
0.5-1mm
Dental formula for dogs
2x (13/3, C1/1,P3/3,M2/3)
Dental formula for cats
2x (I3/3,C1/1, P3/2, M1/1)
Which tooth is #504?
right upper deciduous canine
What teeth are cats missing?
105,205, 305, 405
406
Rule of 4 and 9 dictates that the ____ tooth is always ending in 04 and _____ will always end in 09
Canine, 1st molar
What does the COHAT stand for?
comprehensive oral health assesment and treatment
The most common oral malignant tumor in cats:
a) melanoma
b) osteosarcoma
c) fibrosarcoma
d) squamous cell carcinoma
d
The teeth that are radiographed using parallel technique are:
a) maxillary incisors
b) mandibular canines
c) maxillary premolars
d) mandibular molars
D
The 4th premolar in the upper left quadrant is:
a) 108
b) 204
c) 208
d) 308
C
Tooth resorptive lesions that show a normal periodontal ligament space on a dental radiograph are type:
a) 1
b) 2
c) 3
d) 4
A
Bacterial contamination from a power dental scaler will reach distances of:
a) 4 ft
b) 5 ft
c) 6 ft
d) 8 ft
C
If a tooth has 37% attachment loss, which index is it?
a) PD1
b) PD2
c) PD3
d) PD4
C
