Ohi

Question 1

What is the Hawthorne effect

Answer 1

Individuals modify an aspect of their behaviour in response to their awareness of being observed

Question 2

What is the benefit of using plaque disclosing agent

Answer 2

Nagashima et al arch public health 2018 showed that self checking with plaque disclosing agent improved plaque score by almost 50%

Question 3

What does plaque score indicate

Answer 3

Amount of bacterial load

Question 4

What are the signs of gum disease

Answer 4

Bad breath
Dull ache

Red and swollen gums
Bleeding gums
Shrinking gums

Shaky teeth
Teeth drifting apart

Question 5

What is the diameter of soft, medium, hard bristle

Answer 5

0. 2mm
1. 3mm
2. 4mm

Question 6

How big is a small compact head of tooth brush according to ADA specifications

Answer 6

2. 5cm length

0. 8cm width

Question 7

Speed of powered toothbrush

Answer 7

31000 brushstrokes per min

Question 8

Is a powered toothbrush more effective than manual

Answer 8

Powered tooth brush removes plaque and reduces gingivitis more than manual tooth brushing Yaacob et al Cochran’s database syst rev 2014

In hard to clean areas, oscillating rotating power tooth brushes remove significantly more plaque than sonic or manual toothbrushes esp lingual surfaces grinder et al 2013

Question 9

Why is flossing before brushing preferred

Answer 9

Reduce interdental plaque and increase fluoride concentration at interdental areas

Goyal et al J clin dent 2015