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Flashcards in Periodontum Deck (25):
1

What does the periodontium consist of

The periodontal ligament
Alveolar bone
Gingiva (junctionsk epithelia)

2

What else is sometimes considered as periodontium

Cementum

3

What is the periodontal ligament

Dense fibrous connective tissue

4

Where is the PDL found

Space between tooth and alveolar bone

5

What does the PDL contain

Cells
Fibres ( collagen)
Water
Nerves
Ground substance
Blood vessels

6

What are the functions of the PDL

Attachment of tooth to the bone
Support
Suspensory
Shock absorber
Sensory - heavily innervated

7

What are the two parts of bone associated

Alveolar bone and basal bone

8

What is the alveolus

Sac or little cavity

9

When's. Tooth is extracted what happens to the alveolar bone

It's resorbs

10

Where about is cortical a nd trabecular bone found around the tooth

Cortical the outskirts of the bone
Trabecular under the tooth ehich is spongey cancellous bone

11

What is the lamina dura

Bundle bone
Crubiform late at the cortical bone and PDL

12

What is gingiva

A type of oral mucosa

13

What is the function of oral mucosa

Protection - mechanical, chemical, bacterial, prevent dehydration
Sensation as heavily innervated
Secretion

14

What does oral mucosa consist of

Epithelium
Connective tissue (lamina propria)

15

What are the 3 types of mucosa

Masticatory
Lining
Specialised - sensation of taste

16

Where is masticatory mucosa found

Roof of mouth
In front and Behind teeth

17

Where is lining mucosa found

Inside lips
Cheeks
Under tongue

18

Where is specialised mucosa found

In the tongue

19

What is gingival mucosa

Masticatory mucosa
The pick keratinised epithelia
Pink
Firm
Stippled

20

What is alveolar mucosa

Lining mucosa
Thin non-keratinised epithelia
Red
Loose
Smooth

21

What he the margin called between the mucosal and alveolar mucosa

Mucogingival junction

22

What is the distinct curvature of mucosa found around the teeth

Free gingival groove

23

Why does a local anaesthetic given in lining mucosa is pain free but hurts in masticatory mucosa

Lining mucosa - is flexible
Masticatory. - is firm and pressure increased can hurt

24

Explain some features of the dento-gingival junction

Gingival sulcus
Junctionsk epithelia
Fre gingiva

25

What is periodontium

The tooth support tissues