Abrasion

It's ironic that the people most prone to abrasion are often the ones who are trying hardest to keep their teeth clean. Vigorous
brushing with hard bristle brushes and abrasive pastes not only can wear away the tooth enamel but also cause the gum line to recede, exposing and removing the outer covering of the root and exposing the underlying soft dentin.

Worse, tooth erosion and abrasion can act synergistically. For instance, if you consume an acidic drink and brush immediately afterward, you can actually accelerate the erosive process by brushing away the softened outer surface. If you wait a bit, to give your saliva time to rematerialize your teeth, you may not do as much damage. Save your set of 32


The following precautions will ensure that the minerals in' your tooth enamel last as long as you do:


Avoid acidic beverages when possible. If you prefer
the aerated kind, drink it promptly, rather than sipping.
Use a straw to help the acidic liquid bypass your teeth.

Instead of brushing after drinking a high-acid beverage,
Thoroughly rinse with water or use a fluoride rinse.

Use only a soft-bristled regular or electric toothbrush.
Brush with light pressure, using small, circular motions,
Rather than sawing away vigorously. Be especially gentle
when brushing along your gum line.

Don't have your teeth professionally cleaned more than
two or three times a year. The polishes used at some
dentists' offices can be extremely abrasive. So, too,
some whiteners.

If you suffer from dry mouth, stimulate your saliva flow
by sucking on sugar-free hard candy, chewing gum
Containing the sweetener xylitol, or snacking on fibrous
food such as carrots or celery.

If you grind your teeth at night, ask your dentist about
fitting a retainer like appliance that will protect your
teeth.


If erosion and abrasion have made your teeth sensitive to cold or other stimuli, switch to a desensitizing toothpaste. If your exposed roots have become extremely sensitive, ask your dentist about covering them up with a resin or composite.


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