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Periodontology > Classification of periodontal disease > Flashcards

Classification of periodontal disease Flashcards

1
Q

5 categories in 2017 periodontal disease classification system?

A 
Periodontal health
Gingivitis
Periodontitis
Other conditions affecting periodontium
Peri-implant diseases
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2
Q

Criteria for gingiva health?

A

No clinical attachment loss
No pockets >3mm
BOP <10%
No bone loss

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3
Q

List 3 necrotising periodontal diseases?

A

Necrotising gingivitis
Necrotising periodontitis
Necrotising stomatitis

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4
Q

What is necrotising gingivitis?

A

Acute inflammation of gingival tissue categorised by necrosis of interdental papillae, gingival bleeding, pain

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5
Q

What is necrotising periodontitis?

A

Inflammation of periodontium characterised by necrosis of interdental papillae, gingival bleeding, pain, periodontal attachment/bone destruction

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6
Q

What is necrotising stomatitis?

A

Severe inflammatory condition of periodontium and oral cavity, involving soft tissue necrosis beyond gingiva, bone loss

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7
Q

How can periodontitis classified?

A 
Extent
Stage
Grade
Stability
Risk factors
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8
Q

What does the stage of periodontitis reflect?

A

The amount of periodontal tissue loss

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9
Q

What does the grade of periodontitis reflect?

A

Historical rate of periodontal progression

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10
Q

How can extent of periodontitis be established?

A

How many teeth are effected:
<30% = localised periodontitis
>30% = generalised
Only molar/incisor = periodontitis molar-incisor pattern

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11
Q

How can the stage of periodontitis be established?

A 
Bone levels (radiographic assessment)
<15% bone loss (<2mm attachment loss from CEJ)) = Stage I = early/mild
Coronal third of root = Stage II = moderate
Mid third of tooth = stage III = severe
Apical third of tooth (or tooth loss due to perio) = stage IV = very severe
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12
Q

How is grading of periodontal disease established?

A

% bone loss/patients age
<0.5 = grade A = slow rate of progression
0.5-1.0 = grade B = moderate rate of progression
>1.0 = grade c = rapid rate of progression

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13
Q

List 3 risk factors for periodontitis

A

General health - medications
Smoking
Diabetes

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14
Q

When is a patient with periodontitis classified as stable?

A

BOP <10%
PPD < 4mm
No BOP at 4mm sites

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15
Q

When is a patient with periodontitis classified as in remission?

A

BOP>10%
PPD <4mm
No BOP at 4mm sites

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16
Q

When is a patient with periodontitis classified as unstable?

A

PPD>5mm or PPD?4mm and BOP

17
Q

List 5 genetic disorders that can cause periodontitis as a manifestation of systemic disease

A 
Downs syndrome
Papillon-Lefevre syndrome
Ehlers-Danlos syndrome
Hypophosphatasia - imparted calcification of bones and teeth
Neutropenia
18
Q

List 2 acquired immunodeficiency diseases that can cause periodontitis as a manifestation of system disease

A

Acquired neutropenia

HIV infection

19
Q

How does Papillon-Lefevre syndrome?

A

Severe periodontal disease early in life

Hyperkeratosis early in life

20
Q

Name 3 systemic diseases that effect the periodontal supporting tissues

A

Neoplasma e.g. odontogenic tumours, squamous cell carcinoma

Other disorders e.g. hyperparathyroidism - abnormal bone metabolism

21
Q

How are periodontal accesses and Endodontics-periodontal lesions classified?

A
  1. In periodontitis patients e.g. after treatment
  2. In non-periodontitis patients e.g. due to impact/harmful habits

Endodontics-periodontal lesions = affect both the periodontal and Endodontics disease affect the same tooth at the same time

22
Q

How can peri-implant health be classified?

A

No visual signs of inflammation
Absence of suppuration or profuse BOP
Probing depths don’t increase over time
No bone loss beyond initial

23
Q

How can peri-implant mucotitis be classified?

A

Visual signs of inflammation
Suppuration or BOP
Increase in PPD compared to baseline
No bone loss

24
Q

How can peri-implanitis be classified?

A

Visual sings of inflammation
Presence of suppuration or BOP
Increased PPD over time
Bone loss

25
Q

What can cause peri-implant soft and hard tissue deficiencies?

A

Tooth loss prior to implant placement, malpositioned implants

26
Q

List 9 factors that influence probing accuracy

A 
Probing force
Probe angulation
Thickness of probe
Accuracy of probe markings
Examiner experience
Degree of inflammation of soft tissues
Presence of subgingival calculus or anatomical features 
Location of probing
Visibility
27
Q

Is periodontal disease more severe in older or younger patients, generally?

A

Older

Periodontology (10 decks)

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