Perio

Question 0

Which drugs can cause gingival hyperplasia?

Answer 0

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

Question 1

What is necrotising gingivitis/periodontitis?

Answer 1

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

Question 2

What is the prevalence of aggressive perio?

Answer 2

1/1000

0.1%

Question 3

Why is smoking the most important risk factor for perio?

Answer 3

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

Question 4

Can periodontal treatment improve diabetes?

Answer 4

Yes! It can help to control the condition.

Question 5

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

Answer 5

3mm

These sites should be considered for active treatment

Question 6

Why do we use periapicals rather than dpts?

Answer 6

Give more accurate and detailed assessment of bony defects

Less radiation.

Question 7

What comments should be made on perio radiographs?

Answer 7

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

Question 8

What is more effective, hand scaling or ultrasonics?

Answer 8

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

Question 9

What side effects can a patient expect from scaling?

Answer 9

Gingival recession
Increased sensitivity
Food packing

Question 10

Does subgingival irrigation with chlorhexidine work?

Answer 10

Doesn’t appear to have a clinical benifit

Question 11

When would we recommend chlorhexidine?

Answer 11

To manage acute periods when cleaning is difficult.

Not routine

Question 12

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

Answer 12

6 times more likely

Question 13

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

Answer 13

3 years

Question 14

When would we use systemic antibiotics for perio?

Answer 14

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

Question 15

Which systemic antibiotics would

You use in aggressive perio?

Answer 15

Amoxicillin 250mg TDS with mmetranidazole 200mg TDS

7-10 days

Question 16

What does the black band on a bpe probe represent?

Answer 16

3.5-5.5 mm

Question 17

What is a bpe of 0?

Answer 17

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

Question 18

What is a bpe 1?

Answer 18

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

Question 19

What is a bpe 2?

Answer 19

No pockets greater than 3.5mm

Calculus or overhangs present

Question 20

What is a bpe 3?

Answer 20

Probing depth between 3.5-5.5

Question 21

What is a bpe 4?

Answer 21

Probing depth greater than 5.5

Question 22

What is a bpe *?

Answer 22

Furcarion involvement

Question 23

What charting should we do following a bpe 3?

Answer 23

Full perio charting in that sextant only

Question 24

What charting should we do following bpe 4?

Answer 24

Full charting in all areas

Question 25

What should we do clinically following a bpe 3?

Answer 25

Ohi | Rsd

Question 26

What radiographs do we need?

Answer 26

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

Question 27

What distance describes recession?

Answer 27

The distance from the acj To the gingival margin

Question 28

What is the probing pocket depth?

Answer 28

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

Question 29

What is the probing/clinical attachment level?

Answer 29

The distance from the acj to the botto of the pocket | Recession + pocket depth

Question 30

How often should you change a manual toothbrush?

Answer 30

2-3 months

Question 31

What brushing technique do we recommend for children?

Answer 31

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

Question 32

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

Answer 32

7

Question 33

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

Answer 33

Oscillating 2-3 months | Sonic 6 months

Question 34

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

Answer 34

Turesky modification of quigley and hein

Question 35

What is a tureksy 3?

Answer 35

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

Question 36

What temperature changes do ultrasonics cause in the pulp?

Answer 36

8degree with coolant | 35degree without coolant

Question 37

What are the disadvantages of ultra sonics?

Answer 37

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

Question 38

What are the contraindications of ultrasonics?

Answer 38

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

Question 39

Why do we no longer carry out routine polishes?

Answer 39

``` 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 ```

Question 40

Why is a full perio exam necessary?

Answer 40

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

Question 41

What is a mobility score of 0?

Answer 41

No mobility | Less than 0.2mm

Question 42

What is a mobility score of 1?

Answer 42

Less than 1mm movement

Question 43

What does fremitus mean?

Answer 43

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

Question 44

What is localised aggressive perio?

Answer 44

1st molar and incisor teeth | Not involving more than two teeth which aren't the above