Most people know candy and other sugary foods wreak havoc on
their teeth, but how about fruit?
You’ve probably heard brushing and flossing twice a day is
the best way to keep your teeth healthy. But some foods cause enough damage to
warrant extra cleanings.
There are two main elements of food that tarnish your pearly
whites: sugar and acid.
Sugars, especially sucrose (table sugar), feed the millions
of bacteria already in your mouth. Bacteria feast on your plaque buildup and
produce lactic acid, which erodes your tooth enamel. Sucrose is the worst form
of sugar because it adheres to teeth very strongly making it (and the bacteria)
difficult to remove even when brushing.
Acids naturally occur in many foods, including fruit. In
these cases, bacteria aren’t necessary to produce acid and cause tooth decay.
Instead, acidic foods eat away at your enamel and break down your teeth
directly.
Generally you can wash away natural acids by drinking water.
Ironically, brushing soon after consuming acidic foods or beverages can
actually cause more damage. Because teeth are porous, brushing softens them and
makes them more susceptible to acid. After eating acidic foods, you should wait
at least an hour before brushing.
What foods
should you worry about?
In addition to the sugar and acid in foods, you should
consider the length of time food is left on your teeth. The more time
bacteria have to produce acids, the more damage will be done.
While many of these foods are healthy for other reasons, you
should try and care for your teeth soon after eating them. Drinking water with
your meal, chewing sugar-less gum, rinsing with an alcohol-free fluoride
mouthwash or flossing and brushing with toothpaste reduces the risk of damage.
Look out
for:
·
Sugar and/or acid content
·
Stickiness (how much food remains on
teeth)
·
How long the food is in your mouth
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