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Flashcards in Oral biology Deck (38)
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1

concerning the structure of the oral mucosa, the _ separates the epithelium from the underlying connective tissue

basement membrane

2

within the tooth, the hyaline layer is the:

outer layer of dentine next to the cementum-dentine junction

3

the oblique ridges are features of:

maxillary first and second molars

4

which of the following teeth usually have two root branches that are bicurfacated in the apical third?

maxillary first premolar

5

the prinicipal differece between bone and cementum is that the latter lacks:

blood and nerve supply

6

psychrophilic bacteria are able to grow best at

temperatures below 20.C

7

the initial stage of the virus 'growth' cycle is:

attachment

8

which nerve is tested for its sensory function in the corneal reflex?

trigeminal

9

what type of dentin is produced in response to external trauma and has a protective function?

tertiary

10

what is the most mineralised tissues?

enamel

11

FDI system for lower right first molar

46

12

what is the area between teeth called?

interproximal space

13

the difference between the bone and the cementum is that the later has no:

nerve supply

14

properties of enamel and dentin

thermal insulator

15

what is an advantage of flora?

make antibiotics

16

what is IgA?

it is the main signature antibody in secretion

17

antibiotics that affect RNA polymerase activity include?

Rifampicin

18

What is the grass-like structure at the enamel dentine junction called?

enamel tuft

19

difference in surface enamel and junctional enamel

surface enamel is aprismatic, harder, less porous, and has perikymata

20

which nerve has its nucleus in the pons?

Abducens CN VI

21

What is the main inorganic mineral in the tooth enamel?

hydroxyapatite

22

what is the function of the alveolar bone?

protect and support teeth

23

which ones of these are correct?

Amelogenin has a mixture of hydrophobic and hydrophillic domains

24

What type of collagen is present in the periodontal ligament?

collagen type 1

25

what is IgA?

signature Ig of secretions

26

what is the function of plasma cells?

secrete antibodies

27

what are the features of neutrophils?

2-6 lobes (multi-lobed nucleus)

28

what is the pulse behind the knee called?

Popliteal pulse

29

What do the geniohyoid, hyoglossus, and stylohyoid muscles have in common?

all associated with tongue

30

posterior ethmoidal sinus drains ino

superior meatus