L57. Oral Environment 3 Flashcards
1
Q
What does the Stephan curve show?
A
plaque pH against time after a sucrose rinse.
2
Q
What is the purpose of chewing gum after a sucrose rinse?
A
Helps to neutralise plaque acid due to the increased bicarbonate content in saliva.
3
Q
What is the impact of low calorie sweeteners on plaque bacteria?
A
Low calorie sweeteners cannot be metabolised to acids by plaque bacteria.
4
Q
Give 2 examples of cariogenic sugars.
A
Sucrose
Fructose
5
Q
Give 2 examples of non-caloric, high intensity sweeteners.
A
Aspartame
Sucralose
6
Q
Give 2 examples of low caloric sweeteners.
A
mannitol
sorbitol
7
Q
What must happen to the salivary flow rate to present dry mouth?
A
50% normal salivary flow (xerostomia)
