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Periodontology 1 > Module 1 Intro to the tissues of the Periodontium > Flashcards

Module 1 Intro to the tissues of the Periodontium Flashcards

1
Q

The study of that branch of dentistry dealing with diagnosis, treatment and prevention of disease of the supporting and investing tissues of the teeth

A

Periodontology

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2
Q

What is the periodontium

A

The functional system of the teeth and attached them to the jaw bone

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3
Q

The alveolar bone proper is also known as

A

the cribriform plate

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4
Q

What are the tissues of the periodontium

A

gingiva, PDL, cementum, alveolar bone / process

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5
Q

where is the gingiva attached

A

at the junctional epithelium

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6
Q

what are the layers of gingiva mucosa

A

outer epi layer, CT core

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7
Q

Where does mucosa extend to

A

extend to cover the alveolar bone

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8
Q

What are the 4 main anatomical areas of the gingiva

A

free, attached, sulcular, interdental gingiva

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9
Q

This gingiva is slightly coronal to the CEJ

A

the free gingiva

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10
Q

where is the free gingiva attached

A

at the junctional epithelium

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11
Q

what does the free gingiva form

A

the wall of the sulcus

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12
Q

in health what does the free gingiva follow

A

the contour of the tooth

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13
Q

where does the attached gingiva begin? end

A

at the junctional epithelium, at the mucogingival junction

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14
Q

where is the attached gingiva typically the narrowest

A

at the premolars

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15
Q

what is the purpose of the alveolar gingiva

A

the underlying structures

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16
Q

what is the sulcular gingiva

A

the space between the tooth and the free gingiva

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17
Q

what is the normal depth of the sulcus

A

1-3 mm

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18
Q

what are the two parts of the interdental gingiva

A

lingual and facial papilla

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19
Q

the lateral borders of the interdental papilla are formed by

A

the free gingiva

20
Q

What is the col

A

the indentation of the interdental gingiva below the contact area

21
Q

what is the purpose of the interdental papilla

A

to prevent the impaction of food

22
Q

What is the free gingival groove

A

marks the free and attached gingiva

23
Q

what is the mucogingival junction

A

marks the junction between the alveolar mucosa and the attached gingiva

24
Q

Soft dense fibrous CT attaches to the root of the teeth and connects it to the bone around the teeth

A

PDL

25
Q

functions of PDL (6)

A

supportive, absorptive, formative, sensory, nutritive, resorptive

26
Q

thin mineralized CT that covers the dentin

A

cementum

27
Q

which is harder dentin or cementum

A

dentin

28
Q

CEJ

A

where the cementum and the enamel meet

29
Q

True or False: is cementum resistant to resorption

A

true

30
Q

To compensate for occlusal wear the cementum :

A

deposits in the apex of the root

31
Q

Mineralized CT that contains 60% inorganic, 25 % inorganic and 15% water

A

alveolar bone

32
Q

what are the three layers of alveolar bone

A

Cortical bone/ plate, alveolar bone proper, cancellous/ spongy bone

33
Q

Alveolar bone proper is also known as

A

cribriform plate

34
Q

where is the PDL embedded

A

in the alveolar bone proper

35
Q

This layer of alveolar bone is composed of compact dense bone

A

cortical plate/ bone

36
Q

in relation to the jaw, where is the cortical bone located

A

outside the jaw

37
Q

in relation to the alveolar bone proper where is the cortical bone located

A

around the alveolar bone proper

38
Q

where is the cortical bone the thickest

A

in the buccal side of the molars

39
Q

the most coronal part of the alveolar bone is

A

the alveolar crest

40
Q

where is the alveolar crest located

A

1-2 mm apical of the CEJ

41
Q

where is the spongy bone located

A

between the cortical bone and the alveolar process

42
Q

What is the nerve supply of the mand and max

A

The trigeminal nerve

43
Q

What branch of the trigeminal nerve innervates the max

A

the 2nd branch of the trigeminal nerve

44
Q

which branch of the maxillary nerve of the trigeminal nerve supplies the gingiva and the teeth

A

the superior alveolar nerve - posterior, middle and anterior

45
Q

what nodes drains the PDL

A

the submandibular lymph nodes

46
Q

The deep cervical lymph nodes drains

A

the palatal gingiva of max

47
Q

the submental nodes also drain

A

the gingival lower incisors (PDL too)

Periodontology 1 (2 decks)

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