The main responsible of causing holes in our teeth is
The excess of sugar
Acids such as lactic acid
Both are correct
Cavities start hurt when bacteria
Arrive to dentin
Go beyond dentin
Arrive to enamel
Cavemen had cavities because
They ate a lot of sugar
They ate a lot of meat
They ate carbohydrates that were broken into simple sugars
What chemical element is used against cavities
Sodium
Chloride
Fluoride
To avoid cavities, we must
Avoid to eat sugar between meals
Have a good oral hygiene
Reduce the sugar we eat