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The 7 Worst Foods For Your Teeth

Protect your pearly whites by avoiding these cavity- and stain-promoting culprits


(This article previously appeared on Grandparents.com.)

Don’t eat candy. Brush twice a day. Coffee stains your teeth. Proper dental hygiene practices are no secret, though most of us don’t get too worked up about following dentists’ orders to a T.
 
But beyond the obvious pitfalls, tooth-damaging foods and beverages are all around us, weakening enamel, cracking crowns, diminishing whiteness and generally aging your mouth before its time. The biggest offenders generally fall into three camps: sugars that increase cavity-causing acids, hard substances that weaken enamel and liquids that dry out your mouth.
 
Want a healthy smile for life? Cut out or reduce your consumption of the worst foods for your teeth:
 

1. Ice

 
For some people, part of the fun of a cold, iced beverage is crunching through the cubes once the drink is done. But dentists say chewing ice is a big no-no.
 
“You’d be surprised at how many people think ice is good for their teeth,” says Dr. Janice Yanni, an orthodontist at Yanni Family Orthodontics in West Springfield, Mass. “It’s made of water, after all, and doesn’t contain any sugar or other additives. But chewing on hard substances can damage enamel and leave your teeth vulnerable to a dental emergency,” like loosened crowns and chipped teeth, she adds.
 

2. Dried Fruit


Despite its health-food status, dried fruit — including raisins, dried apricots, prunes and the like — is tough on teeth, sticking in crevices and depositing a lot of natural sugars in the process.

(MORE: The Best Way to Eat Your Fruits)
 
“All fruit contains natural sugars, and once the water has been expunged, what’s left is highly concentrated with sugar, which is sticky and clings to teeth, trapping acid-producing bacteria,” according to dental tourism company, Dental Departures.
 

3. Bread


No one would ever confuse white bread for candy, but the two foods have more in common than meets the eye. "Once you start chewing on [bread], the enzymes in your saliva break down the starches, which convert to sugar almost immediately,” according to Dental Departures.

As you continue chewing, white bread and other starches, like pasta, transform into sweet, soft paste that easily sticks in crevices between teeth, providing a feast for cavity-causing bacteria. Crunchy snacks, like potato chips and pretzels, also tend to lodge in tooth grooves, creating a similar problem.
 

4. Alcohol


Add cavities to the long list of ills caused by drinking too much alcohol. In this case, it’s not sugar or pigment that’s to blame, but dry mouth. “People who drink excessively may find their saliva flow is reduced over time, which can lead to tooth decay and other oral infections such as gum disease,” says Yanni. Proper saliva flow in the mouth starts the digestion process, washes away food particles and bacteria and protects soft tissue from irritation and infection.

(MORE: Drinking Alcohol: The Health Pros and Cons)
 
Caffeinated beverages, including coffee, tea and energy drinks, can also dry out your mouth, contributing to cavities.
 

5. Sour Candy


Candy and cavities go together like the beach and sunburns, but it turns out, some types of candy are harder on your teeth than others. “Any type of sour candy has an extremely high acidic content, which can break down tooth enamel,” says Dr. Timothy Chase, a practicing partner at SmilesNY in New York City.
 
And if you think a good brushing afterwards will erase the damage, you may be making it worse. “Brushing too soon or too hard after eating sour candy with a high acid content can then brush away the enamel that has started to break down on the surface of your teeth,” he adds. It should go without saying that naturally acidic lemon and lime wedges can do the same damage, if not more, as sour candies.
 

6. Soda


Soft drinks cause a triple-whammy of tooth-damaging effects. First, if you’re drinking non-diet soda, you’re effectively bathing your teeth in sugar, giving bacteria a fertile home to thrive. “When you sip sugary drinks for long periods of time, plaque bacteria use that sugar to produce acids that attack your enamel,” says Yanni.

(MORE: The New Dangers of Diet Soda)
 
Second, most carbonated drinks — diet and non — are acidic, another enemy of enamel, she adds. And lastly, if you have a preference for cola, grape soda or other non-clear sodas, say goodbye to a white smile. “Aside from the sugar content, dark-colored soft drinks can stain or discolor the teeth,” says Chase.
 

7. Beets and Berries


Hyper-pigmented foods, from crimson beets and berries to golden curry and mahogany soy sauce, deposit color on your teeth while you’re eating, leading to a less-than-white smile.
 
“Any food that would stain a white T-shirt will also stain your teeth,” says Dr. Joseph Banker, founder of Creative Dental Care in Westfield, N.J. “Rinsing your mouth directly after eating beets, berries, and deeply hued greens like kale and Swiss chard will save your smile from permanent stains,” he recommends.
 
The Healthy-Mouth Prescription
 
Experts agree: The simplest way to protect your teeth from cavities and stains is to keep a glass of water nearby at all times. A quick sip or swirl can wash away sugars, dislodge food particles and dilute residue from dark-colored drinks.

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