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Preventative Perio > Lecture 1 and 2 > Flashcards

Lecture 1 and 2 Flashcards

1
Q

How many people have gum disease?

A

50%

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2
Q

How many Americans have periodontitis?

A

1/2 of all

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3
Q

Define periodontology

A

The clinical science that deals with the periodontium in health and disease

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4
Q

What is unique about the oral cavity in regards to what it is lined by?

A

It is lined by mucous membrane/oral mucosa, like having skin in the mouth

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5
Q

What is the anterior boundary of the oral cavity?

A

Lips and hard palate

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6
Q

What is the posterior boundary of the oral cavity? (three structures)

A

Throat, pharynx and part of the soft palate

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7
Q

What is the inferior boundary of the oral cavity?

A

Floor of mouth

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8
Q

What is the superior boundary of the mouth

A

Roof of mouth

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9
Q

Where is the masticatory mucus membrane found?

A

Gingiva and hard palate

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10
Q

What are two special features of the masticatory mucus membrane?

A

It is keratinized (to be protected from hard foods) and it is firmly attached to the underlying bone

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11
Q

Where is the specialized mucus membrane found?

A

Dorsum of the tongue (with taste buds-special because it’s the only organ with taste buds)

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12
Q

Where is the lining mucus membrane found?

A

The rest of the mouth not covered by the masticatory and specialized mucosa

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13
Q

What are three facts about the lining mucus membrane? One deals with the face, another involves attachment, and another is about mobility.

A
  1. Gives the opportunity for facial expression
  2. It is loosely attached to other structures
  3. It is moveable
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14
Q

What are the four structures comprising the periodontium?

A
  1. Gingiva
  2. Periodontal ligament
  3. Cementum
  4. Alveolar bone
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15
Q

What is the main function of the periodontium (there are two points to this function)

A
  1. To attach the tooth to the bone tissue of the jaws

2. Maintain Integrity of the surface of the masticatory mucosa of the oral cavity

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16
Q

What are the five signs of a good clinical exam of gingiva?

A
  1. Color (roughly pale pink to deep pink in color)
  2. Contour of the gingiva
  3. The consistency of the how the gingiva feel
  4. The surface texture based on how it looks
  5. Absence of bleeding when palpated
17
Q

What four factors impact the color of gingiva?

A
  1. Intensity of melanogenesis
  2. Degree of keratinization
  3. Thickness of epithelium
  4. Arrangement of gingival vascularity
18
Q

What is Addison’s disease, and how does it clinically present?

A

Hypothyroid, leading to brown pigmentation of the gingiva

19
Q

How is the darkness or lightness of the pink of gingiva impacted by having thicker keratinization?

A

The thicker the keratinization, the darker the pink

20
Q

Is epithelium vascular?

A

No, the underlying tissue is

21
Q

What are the three parts of the gingiva?

A
  1. Gingival margin
  2. Interdental papilla
  3. Attached gingiva
22
Q

Where is the gingiva the narrowest?

A

The facial aspect of the lower first premolar

23
Q

Where is the gingiva the widest?

A

The labial surface of the upper lateral incisor (a zone of keratinized gingivum)

24
Q

What is the most coronal part of the gingivum?

A

The gingival margin

25
Q

Where does gingival disease begin?

A

Gingival margin

26
Q

Is the marginal interdental papilla attached or unattached?

A

Unattached

27
Q

Is the apical interdental papillar attached or unattached?

A

Attached

28
Q

What is the frenum made of?

A

Fibrous tissue

29
Q

How is the width of the attached gingiva impacted with age?

A

The width increases gradually with age

30
Q

Clinically, what is palatal mucosa used for?

A

Soft tissue grafting

31
Q

Where is there no vestibular fornix on the upper side of the palatal aspect?

A

Due to the abundance of keratinized tissue

32
Q

From where to where does the free marginal gingiva extend?

A

From the most coronal soft tissue margin to the gingival groove

33
Q

What does the interdental gingiva “fill”?

A

The interproximal space from the alveolar crest to the area of contact between the teeth

34
Q

From where to where does the attached gingiva extend?

A

From the gingival groove to the mucogingival line of the vestibular fornix and floor of the mouth

35
Q

The gingival groove is found in what percentage of gingival units?

A

40%

36
Q

Are healthy gingiva rough or smooth? What word describes that? What fruit is it compared to?

A

Rough-you look at stippling (microscopic elevations and depressions) and it looks like an orange

37
Q

In regards to the width of the attached gingiva, where is the widest area?

A

Facial maxillary incisor region

38
Q

In regards to the width of the attached gingiva, where is the narrowest area?

A

In the buccal first premolar region

Preventative Perio (4 decks)

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