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Preventive Dentistry NITEC

Total questions: 20

Worksheet time: 8mins

Name
Class
Date
1.

What is the role of the dental assistant in preventive dentistry?

a)

Assist the dentist in various procedures

b)

Help dentist by teaching and monitoring patient's oral hygiene

c)

Give dental health education to the patient

d)

All of the above

2.

What is the dental caries equation?

a)

Sugar + Acid = Bacteria

Bacteria + Tooth = Decay

b)

Tooth + Sugar = Acid

Acid + Bacteria = Decay

c)

Bacteria + Tooth = Sugar

Sugar + Acid = Decay

d)

Sugar + Bacteria = Acid

Acid + tooth = Decay

3.

Dental Caries is the most common disease in OLDER individuals

a)

True

b)

False

4.

Is it better to have multiple small meals a day or 3 fixed meals?

a)

Multiple small meals

b)

3 fixed meals

c)

Does not matter

5.

Dental Caries occurs when the balance between mineralisation and demineralisation changes

a)

True

b)

False

6.

What are the ways to deliver fluoride to the teeth?

a)

Brushing with toothpastes

b)

Fluoride mouthrinses

c)

Fluoride Gels & Solutions

d)

All of the above

7.

What is the recommended fluoride concentration in toothpaste?

a)

800ppm for adults, 300ppm for children

b)

800ppm for adults, 500ppm for children

c)

1000ppm for adults, 300ppm for children

d)

1000ppm for adults, 500ppm for children

8.

What are the common signs of Periodontal Disease?

a)

Bleeding Gums

b)

Bad Breath

c)

Shaky Teeth

d)

All of the Above

9.

Which component in Enamel is able to bind to fluoride?

a)

Calcium only

b)

Phosphate only

c)

Hydroxyapatite

d)

Water

10.

Which bacteria causes dental caries?

a)

Streptococcus Thermophilus

b)

Streptococcus Mutans

c)

Streptococcus Pneumoniae

d)

Streptococcus Anginosus

11.

Can you remove calculus with a toothbrush?

a)

Yes

b)

No

c)

Depends on whether it is hard or soft

d)

Depends on how thick the calculus is

12.

What are the functions of saliva?

a)

Lubrication of food

b)

Antimicrobial action

c)

Digestion of food

d)

All of the above

13.

What is the end result of having dental caries?

a)

Filling

b)

Extraction

c)

Root Canal Treatment

d)

All of the above; depends on cavity size and depth

14.

Which is a commonly found dental condition?

a)

Dental Caries

b)

Periodontal Disease

c)

Mouth Ulcers

d)

All of the above

15.

Dental Fluorosis is characterised by:

a)

Yellow Spots

b)

Black Stains

c)

White or Brown Spots

d)

Grey Spots

16.

What is the concentration of water fluoridation in Singapore?

a)

0.9 ppm

b)

0.6 ppm

c)

0.7 ppm

d)

0.5 ppm

17.

You can find attrition, erosion and abrasion all in the same mouth.

a)

True

b)

False

18.

When should a child start toothbrushing?

a)

1 yr old

b)

8m old

c)

2yr old

d)

6 months old or when tooth first erupts

19.

What is the name of the toothbrushing technique?

a)

Bose / Modified Bose Technique

b)

Base / Modified Base Technique

c)

Bass / Modified Bass Technique

d)

Buss / Modified Buss Technique

20.

What is the difference between the Bass and Modified Bass Technique?

a)

Bass = up and down motion

b)

Bass = up and down and "flick" motion

c)

Modified bass = circular motion

d)

Modified bass = circular and "flick" motion