Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MCQ 1.1 > Periodontal Complex > Flashcards

Periodontal Complex Flashcards

1
Q

What is the PDLs component parts

A

Gingivae
Cementum
Periodontal ligament
Alveolar bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the 4 main functions of the PDL

A

Remodelling
Sensory
Nutritive
Supportive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does the PDL help remodel

A

The alveolar bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does the PDL help repair/resorption

A

Of the cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What do the fibres and soft connective tissues of the PDL act as

A

Bio mechanical shock absorbers
To dissipate masticatory forces to the alveolar bone via the oblique fibres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are 3 roles of the cementum

A

Covers and protects the root
Provides attachment to the periodontal fibres
More resistant to resorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 2 types of fibres in the cementum

A

Extrinsic (Sharpeys) fibres
Intrinsic fibres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are extrinsic (Sharpeys) fibres

A

Are embedded ends of the principle PDL fibres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are intrinsic fibres

A

Fibres of cementum proper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What synthesises cementum

A

Cemetocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where are the cemetocytes

A

Each one ‘sits’ within the lacuna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are Sharpeys fibres

A

Collagenous fibres that embed into the cementum and alveolar bone to attach the tooth to the alveolar process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which cementum type are extrinsic fibres

A

Acellular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which cementum type are intrinsic fibres

A

Cellular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

where is acellular cementum located

A

Cervical 1/3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where is cellular cementum located

A

Apical 2/3 and fraction
Lamellar structure

17
Q

Where is acellular afibrillar cementum located

A

Found close to the CEJ

18
Q

what is the function of acellular cementum

A

Anchorage

19
Q

What is the function of the cellular cementum

A

Functional adaption
Repair

20
Q

Where is cementum the thickest

A

At the apex and in the inter radicals areas of multi rooted teeth

21
Q

Where is cementum the thinnest

A

The cervical area

22
Q

Where are the connective tissues derived from in the PDL

A

The dental follicle

23
Q

Which fibres run perpendicularly to the collagen fibres

A

Oxytalan (elastin) fibres

24
Q

What allows for formation/regeneration of the PDL

A

Periodontal ligament fibroblasts

25
Q

What is the turnover rate for PDL collagen

A

1 day

26
Q

What happens to the PDL with age

A

The width reduces

27
Q

List 7 cells within the PDL

A

Fibroblasts
Epithelial cells
Cementoblasts
Osteoblasts
Neural
Vascular
Lymphatics

28
Q

List 4 organic matrix within the PDL

A

Collagen
Proteoglycans
Glycoproteins
Oxytalan

29
Q

What is the inorganic material within the PDL

A

Water

30
Q

What are the 5 collagen fibre bundles

A

Alveolar crest
Horizontal
Oblique
Periapical
Inter radicular

31
Q

What does the periosteum attach to

A

Bone

32
Q

What does ERM stand for

A

Epithelial cells rests of Melassez

33
Q

What roles does ERM have

A

In cementum repair and regeneration

34
Q

What are ERMs

A

They are discrete clusters of residual cells from Hertwigs epithelial root sheath that didn’t completely disappear from developmental stages

35
Q

Name 3 PDL receptors

A

Nociception
Mechanoreception
Proprioception

36
Q

What are 3 principal sources of blood vessels in the PDL

A

Apical vessels - pulp
Perforating vessels - lamina dura perforate socket wall
Gingival vessels - gingival tissue

37
Q

What is the alveolar bone

A

The portion of the maxilla and mandible that form and support the tooth socket

38
Q

What are the 2 main constituents of the alveolar bone

A

Cortical plates
Central trabecular bone

MCQ 1.1 (43 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions