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Dentistry > Perio > Flashcards

Perio Flashcards

0
Q

Which drugs can cause gingival hyperplasia?

A

Calcium channel blockers used in the treatment of hypertension
Cyclosporine an anti rejection drug
Phenyltoin used in epilepsy

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1
Q

What is necrotising gingivitis/periodontitis?

A

Painful ulceration of the papillae, with grey necrotic tissue visible on the surface.
Associated with halitosis and submandibular lymph nodes

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2
Q

What is the prevalence of aggressive perio?

A

1/1000

0.1%

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3
Q

Why is smoking the most important risk factor for perio?

A

Reduction in blood flow
Impaired white cell function
Impaired wound healing
Increased production of inflammatory cytokines, which cause tissue breakdown

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4
Q

Can periodontal treatment improve diabetes?

A

Yes! It can help to control the condition.

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5
Q

Beyond what depth can perio no longer be controlled by oral hygiene alone?

A

3mm

These sites should be considered for active treatment

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6
Q

Why do we use periapicals rather than dpts?

A

Give more accurate and detailed assessment of bony defects

Less radiation.

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7
Q

What comments should be made on perio radiographs?

A

Degree of bone loss %
Type of bone loss
Other features - perio/endo lesions, widened pdl space, calculus, restoration over hangs

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8
Q

What is more effective, hand scaling or ultrasonics?

A

Neither one has been proven to be more effective, but ultrasonics are quicker to reach the same end point
Less cementum removed with ultrasonic

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9
Q

What side effects can a patient expect from scaling?

A

Gingival recession
Increased sensitivity
Food packing

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10
Q

Does subgingival irrigation with chlorhexidine work?

A

Doesn’t appear to have a clinical benifit

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11
Q

When would we recommend chlorhexidine?

A

To manage acute periods when cleaning is difficult.

Not routine

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12
Q

How much more likely is it that a smoker will get perio compared to a non smoker?

A

6 times more likely

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13
Q

How long after smoking cessation can we expect the periodontium to be back to normal, in terms to its response to treatment?

A

3 years

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14
Q

When would we use systemic antibiotics for perio?

A

Possibly In aggressive perio alongside debridement, following failed initial treatment of debridement alone.
Necrotising peridontal disease
Systemic involvement and facial swelling due to periodontal abscess

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15
Q

Which systemic antibiotics would

You use in aggressive perio?

A

Amoxicillin 250mg TDS with mmetranidazole 200mg TDS

7-10 days

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16
Q

What does the black band on a bpe probe represent?

A

3.5-5.5 mm

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17
Q

What is a bpe of 0?

A

No pockets greater than 3.5mm
No calculus or overhangs
No bleeding on probing

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18
Q

What is a bpe 1?

A

No pockets greater than 3.5mm
No calculus or over hands
Bleeding on probing

19
Q

What is a bpe 2?

A

No pockets greater than 3.5mm

Calculus or overhangs present

20
Q

What is a bpe 3?

A

Probing depth between 3.5-5.5

21
Q

What is a bpe 4?

A

Probing depth greater than 5.5

22
Q

What is a bpe *?

A

Furcarion involvement

23
Q

What charting should we do following a bpe 3?

A

Full perio charting in that sextant only

24
Q

What charting should we do following bpe 4?

A

Full charting in all areas

25
Q

What should we do clinically following a bpe 3?

A

Ohi

Rsd

26
Q

What radiographs do we need?

A

Periapicals in areas where bpe scores of 3 or 4 are found

27
Q

What distance describes recession?

A

The distance from the acj To the gingival margin

28
Q

What is the probing pocket depth?

A

The distance from the gingival margin to the bottom of the pocket

29
Q

What is the probing/clinical attachment level?

A

The distance from the acj to the botto of the pocket

Recession + pocket depth

30
Q

How often should you change a manual toothbrush?

A

2-3 months

31
Q

What brushing technique do we recommend for children?

A

Fones
Teeth in occlusion, large circles on buccal surfaces
Scrub remaining surfaces
Modify to smaller circles at the gingival margin as permanent teeth erupt

32
Q

At what age do we stop supervising children’s brushing?

A

7

33
Q

How often should you change the head of an electric toothbrush?

A

Oscillating 2-3 months

Sonic 6 months

34
Q

What is the correct name for the plaque index we use?

A

Turesky modification of quigley and hein

35
Q

What is a tureksy 3?

A

Plaque wider than 1mm but covering less than 1/3 of the crown

36
Q

What temperature changes do ultrasonics cause in the pulp?

A

8degree with coolant

35degree without coolant

37
Q

What are the disadvantages of ultra sonics?

A 
Contaminated aerosols
Aspiration required
Expensive
Noisy 
Burnished tooth surface
Increase in dentine hypersensitivity 
Reduced tactile feeling on root
38
Q

What are the contraindications of ultrasonics?

A 
Tuberculosis
Compromised immune system
Respiratory problems
Swallowing problems
Primary teeth
Newly erupted teeth
Decalcified enamel
Pacemakers?
Metal tips used with implants
39
Q

Why do we no longer carry out routine polishes?

A 
Home care can achieve the same thing 
Fluoride in the surface enamel can be removed 
Doesn't improve fluoride uptake 
Creation of aerosol and splatter 
Can cause bacteraemia 
Possible iatrogenic damage
40
Q

Why is a full perio exam necessary?

A 
Site specific nature of the disease
Extent and severity of the disease
Treatment planning
Monitor disease and hygiene therapy
Predict likely treatment out come
41
Q

What is a mobility score of 0?

A

No mobility

Less than 0.2mm

42
Q

What is a mobility score of 1?

A

Less than 1mm movement

43
Q

What does fremitus mean?

A

A palpable or visible movement of a tooth when subjected to functional occlusal forces

44
Q

What is localised aggressive perio?

A

1st molar and incisor teeth

Not involving more than two teeth which aren’t the above

Dentistry (5 decks)

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