Crowdly

a comparable period in vivo

a period of about 1 year

With what other erosion-causing beverages did the researchers compare their results?

Pepsi

water

coffee

The buffering of erosion-causing beverages like tea is reduced among the elderly because ____.

they don’t use milk with tea

abrasion and attrition are added to the effects of the erosive agent

of reduced saliva flow

of decelerated re-mineralization

What is the critical pH necessary for demineralisation of enamel?

3.2

4.8

5.5

What constituent of herbal tea do the researchers blame for erosion?

caffeine

citrus fruits

chemical additives

the absence of fluoride ions

True or False?

Excessive teeth grinding can result in severe cases of abrasion.

True or False?

Black tea had a higher pH than herbal tea.

True or False?

Herbal tea causes significantly more erosion than black tea.

True or False?

The difference between the amount of erosion caused by black tea and the control treatment was significant.

What type of teeth were used?

healthy teeth

crooked teeth

teeth with carious

lesions

primary teeth