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Periodontology 1 > Final; Prognosis > Flashcards

Final; Prognosis Flashcards

1
Q

What is a prognosis

A

it is a prediction of the course, duration, and outcome of a disease based on the pathogenesis of the disease and the presence of risk factors for the disease

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2
Q

When is a prognosis established

A

after the diagnosis is made and before the treatment plan is established

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3
Q

What are the two types of prognosis

A

overall

individual tooth

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4
Q

What are the 7 factors that affect the overall prognosis?

A 
patient age
disease severity
systemic factors
smoking
plaque control
patient compliance
prosthetic possibilites
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5
Q

What are four systemic/environmental factors

A

smoking
systemic disease/condition
genetic factors
stress

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6
Q

What are four prosthetic/restorative factors

A

abutment selection
caries
non-vital teeth
root resorption

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7
Q

Why do you determine the overall prognosis before the individual tooth

A

if the overall prognosis of the whole moth is hopeless, then don’t plan on keeping teeth regardless

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8
Q

What are some factors that can affect the individual tooth prognosis

A 
affected by overall prognosis
mobility
probe depth
bone loss
furcation involvement
local factors
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9
Q

What are the classifications of the Becker, Berg, and Becker

A

good
questionable
hopeless

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10
Q

What are the classifications of McGuire and Nunn

A 
very good
good
fair
poor
hopeless
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11
Q

What classifies a good prognosis under the BBB classification system

A

2 or more factors

  • < 50% bone loss
  • No furcation involvement
  • < 2 mobility
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12
Q

What classifies a questionable prognosis under the BBB classification system

A

2 or more factors

  • ≥ 50% bone loss
  • 6-8mm probing depth
  • class 2 furcation
  • anatomical variables
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13
Q

What classifies a hopeless prognosis under the BBB system

A

2 or more factors

  • more than 75% bone loss
  • more than 8mm probing depth
  • class 3 furcation
  • class 3 mobility
  • poor crown/root ratio
  • unfavorable root proximity
  • repeated periodontal abscess formation
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14
Q

*What classifies a good prognosis under the McGuire and Nunn system

A

25% attachment loss / CLI furcation
adequate remaining bone support
adequate possibilites to control etiological factors
patient cooperation
no systemic environmental factors or well controlled

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15
Q

What classifies a fair prognosis under the McGuire and Nunn system

A

25-50% attachment loss
grade I or grade II furcation involvement
adequate maintenance possible
few systemic complications

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16
Q

What differs between BBB and M&N

A

M&N uses attachment loss, BBB uses bone loss

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17
Q

What classifies a poor prognosis with McGuire and Nunn

A

> 50% attachment loss
tooth mobility
grade I and II furcation involvements
difficult to maintain areas and/or doubtful patient cooperation
presence of systemic/environmental factors

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18
Q

What classifies a hopeless prognosis with McGuire and Nunn

A 
>75% attachment loss
tooth mobility 2+
grade II and III furcation involvements
difficult-to-maintian areas and/or doubtful patient cooperation
root proximity
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19
Q

Why would the prognosis for a patient that is older but with the same amount of bone loss as someone younger, be better

A

for the older person is took however long (60 years or whatever) to get that loss, while someone younger, took less, although the younger patient may have a better restorative capacity

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20
Q

What are two parameters of disease severity

A

level of clinical attachment

radiographic examination shows the amount of root surface still invested in the bone

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21
Q

Which has a better prognosis; a tooth with deep pockets and little attachment loss or one with shallow pockets and severe attachment and bone loss

A

deep pockets and little attachment loss

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22
Q

What differs in prognosis of bone loss defects

A

horizontal bone loss depends on the hight of existing bone

in regards to angular bone loss, the number of remaining walls

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23
Q

This is nearer to the crown which results in a more favorable distribution of forces to the periodontium and less tooth mobility

A

Crest

24
Q

This is the primary etiological factor associated with periodontal disease

A

bacterial plaque

25
Q

This is critical to the success of periodontal therapy and to prognosis

A

effective removal of plaque on a daily basis by the patient

26
Q

The prognosis for patients with gingival and periodontal disease is dependent on what three things

A

the patients attitude
desire to retain natural teeth
willingness and ability to maintain good oral hygiene

27
Q

What are two options the dentist can do with a patient who is not compliant

A

refuse to accept the patient for treatment

extract the teeth with hopeless/poor prognosis and preform SRP on remaining teeth

28
Q

This affects the severity of periodontal destructions and healing potential of the periodontal tissues

A

smoking

29
Q

In smokers, prognosis of slight-moderate periodontitis is generally what

A

fair to poor

30
Q

In smokers with severe periodontitis, the prognosis may be what

A

poor to hopeless

31
Q

A smoker can do this to affect prognosis

A

cessation of smoking

32
Q

Patients with slight to moderate periodontitis, who stop smoking can be upgraded to what prognosis

A

good

33
Q

Patients with severe periodontitis who stop smoking may be upgraded to what prognosis

A

fair

34
Q

Well-controlled diabetics with slight to moderate periodontitis, who comply with their recommend periodontal treatment should have what prognosis

A

good

35
Q

This may be helpful to a patient and improve prognosis especially in patients with Parkinson’s or other systemic diseases

A

electric toothbrushes

36
Q

This is the most important local factor in periodontal disease

A

microbial challenge presented by bacterial plaque and calculus

37
Q

What are outcomes of plaque retentive features that decrease prognosis?

A

greater gingival inflammation
more marginal bone loss
poorer compliance with home care

38
Q

Prognosis is poor for teeth with what anatomical features

A
  • short tapered roots and large crowns or disproportionate crown/root ratio
  • reduced root surface available for periodontal support
  • periodontium may be more susceptible to injury by occlusal trauma
39
Q

These anatomical features can interfere with SRP and can prevent regeneration of cementum and PDL

A

cervical enamel projections CEPs
enamel pearls
bifurcation ridges

40
Q

These cannot attach to enamel, so you may have to remove enamel to expose cementum

A

gingival fibers

41
Q

This appears on the maxillary first premolars and the mesiobuccal root of the maxillary first molar which increases the attachment area and produces a shape more resistant to torquing

A

root concavities

42
Q

What are the three principal causes of tooth mobility

A

loss of alveolar bone
inflammatory changes in the PDL
trauma from occlusion

43
Q

This type of tooth mobility may be correctable

A

tooth mobility caused by inflammation and TFO

44
Q

This type of tooth mobility is likely to NOT be corrected

A

mobility due to loss of alveolar bone

45
Q

Long term prognosis for patients with plaque induced gingival diseases modified by systemic factors depends on what two things

A

control of bacterial plaque and control or correction of the systemic factors

46
Q

In drug-induced gingival enlargement this is usually necessary to correct the alterations in gingival contour

A

surgical intervention

47
Q

In slight/moderate chronic periodontits, the prognosis is generally good, provided what

A

inflammation can be controlled

48
Q

What type of prognosis does aggressive periodontitis have

A

poor

49
Q

Periodontits as a manifestation of systemic diseases can be divided into what two categories

A

those associated with hematologic disorders such a leukemia and acquired neutropenia
those associated with genetic disorders such as familial and cyclic neutropenia, down syndrome, Papillion-Lefevre, and hypophosphatasia

50
Q

Patients with periodontits has a manifestation of a systemic disease have what prognosis

A

fair to poor

51
Q

The prognosis of a patient with NUG is what

A

good

52
Q

The prognosis of a patient with repeated episodes of NUG is what

A

fair

53
Q

The prognosis of a patient with NUP depends on what

A

reducing local and secondary factors but also dealing with the systemic problem (like HIV)

54
Q

Are old patients more susceptible to perio?

A

No

55
Q

Is perio more severe in older individuals?

A

Yes

Periodontology 1 (29 decks)

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