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DEN1SKB > week 7 > Flashcards

week 7 Flashcards

1
Q

Define Gingival and periodontal health

A

absence or minimal levels of clinical inflammation in periodontium with normal support

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2
Q

what is healthy mobility

A

0-2mm

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3
Q

what is healthy bop

A

less than 10%

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4
Q

define gingivitis

A

infalmmatory condition of gingiva
retained dental plaque without bone loss

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5
Q

how much BOP in gingivitus

A

more than 10%

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6
Q

what are the probing depths in gingivitus

A

0-3mm

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7
Q

what is the mobility in gingivitus

A

up to 0.2mm

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8
Q

define periodontitis

A

inflammatory disease of supporting tissues around teeth - can cause irreversable loss of periodontal ligament, bone, toothe mobility and loss of tooth

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9
Q

how much bop in periodontitis

A

more than 10%

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10
Q

what are the probing depths of periodontitis

A

more than 3/4mm

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11
Q

what is a reduced periodontium in a stable perio patient

A

pre-existing loss of periodontal tissue
less than 10% bop
0-3mm probing
up to 0.2mm mobility

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12
Q

what is attachment loss not caused by periodontitis

A

recession caused by abrasion
tissue damage - eg tooth that has been surgically removed

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13
Q

what are the systemic risk factors that can modify gingivitis

A

smoking
hyperglycaemia
nutritional factors
pharmacological agents
sex steroid hormones
haematological conditions

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14
Q

what are the local risk factors that can modify gingivitis

A

dental plaque biofilm retention factors
oral dryness

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15
Q

what are the three medications that are associated with drug induced gingival overgrowth

A

calcium channel blockers
cyclosporine
phenytoin

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16
Q

what are the three forms of periodontitis in classification in 2017

A

necrotising
manifestation of systemic disease
periodontitis

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17
Q

what is necrotising gingivitis

A

necrosis of papilla

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18
Q

what is necrotising periodontitis

A

bleeding

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19
Q

what is necrotising stomatitis

A

sudden onset of pain

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20
Q

what are the features of periodontitis as a manifestation of systemic disease

A
  • genetic conditions
  • severe, aggressive, periodontal destruction in children and adolescents
  • severe gingival inflammation and rapid bone loss
  • tooth loss in both primary and permanent dentition
  • generally neutrophils or CT disorders
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21
Q

what are the neutrophil disorders causing periodontitis as a manifestation of systemic disease

A
  • severe neutropenia
  • congenital neutropenia
  • cyclic neutropenia
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22
Q

what are the connective tissue disorders causing periodontitis as a manifestation of systemic disease

A

ehlers-danlos syndrome
angioedema
systemic lupus erthematosus

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23
Q

what are the 5 steps required to compile a diagnosis statement

A

1 - determine if the patient is a periodontitis case
2- stage the patient (severity)
3 - Grading (rate of bone loss)
4 - Systemic risk assessment
5 - Assesment of periodontal status

24
Q

what determines whether a patient is a periodontitis case

A

interdental attachment loss is detectable at more or equal than 2 non adjacent teeth
OR
buccal clinical attachment loos of more or equal to 3mm with pocketing over 3mm due to periodontitis at two or more non adjacent teeth

25
Q

are periodontal defects cause by endo perio lesions, root resorption, impacted wisdom teeth included as attachment loss due to periodontitis in the current classification

A

no

26
Q

what is staging

A

extent + severity + complexity of disease management

27
Q

what is the extent of disease presentation

A

localised = less than 30% of teeth
Generalised more than or equal to 30% of teeth
“molar, incisor” pattern

28
Q

what are the features of complexity of disease management

A

probing depths
furcations
pattern of bone loss
tooth loss
mobility

29
Q

what is the maximum probing depth for stage 1 (mild)

A

less than or equal to 4mm

30
Q

what is the maximum probing depth for stage 2 (moderate)

A

less than or equal to 5mm

31
Q

what is the maximum probing depth for stage 3 (severe)

A

greater or equal to 6mm

32
Q

what is the radiographic bone loss of stage 1

A

less than 15%

33
Q

what is the radiographic bone loss of stage 2

A

15-33%

34
Q

what is the radiographic bone loss of stage 3

A

vertical bone loss
furcation involvment

35
Q

what is the radiographic bone loss of stage 4

A

extends to middle third of the root or beyond

36
Q

what is the CAL of stage 1 at site of greatest loss

A

greater or equal to 2mm

37
Q

what is the CAL of stage 2 at site of greatest loss

A

3-4mm

38
Q

what is the CAL of stage 3 and 4 at site of greatest loss

A

greater or equal to 5mm

39
Q

what is the difference between stage 3 and 4

A

stage 3 involves the loss of 4 or less teeth
stage 4 is at risk of losing dentition - more than 5 teeth lost
there is also mobility and occlusal collapse in stage 4

40
Q

what outcomes are stage 1 and 2

A

predictable

41
Q

what outcomes are stage 3 and 4

A

non predictable

42
Q

what is grading

A

estimates the rate or speed of attachment loss

43
Q

how do u calculate grading

A

% of bone loss at worst site divided by age

44
Q

what is grading made up of

A

information on biological features of disease + rate of progression + risk assessment

45
Q

what is the ratio for grade A

A

less than 0.5

46
Q

what is the ratio for grade B

A

0.5-1

47
Q

what is the ratio for grade C

A

greater than 1

48
Q

what grades involve systemic risk factors

A

B and C

49
Q

what is the diabetic and smoking features of grade B

A

HbA1c less than 7
smoke less than 10 cigarettes a day

50
Q

what is the diabetic and smoking features of grade C

A

HbA1c greater or equal to 7
Smoke 10 or more cigarettes a day

51
Q

what is currently stable

A

BOP less than 10%
PD less than or equal to 4mm
No BOP at 4mm sites

52
Q

what is in remission

A

BOP greater than 10%
PD less than or equal to 4mm
No BOP at 4mm sites

53
Q

What is currently unstable

A

PD greater or equal to 5mm
or PD greater or equal to 4mm and BOP

54
Q

what are the two systemic risk factors for periodontitis

A

diabetes and smoking

55
Q

can these risk factors alter a patients grade

A

yes

56
Q

what are healthy probing depths

A

0-3mm

DEN1SKB (12 decks)

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