14 mistakes you're making with your teeth

Taking care of your pearly whites isn't rocket science, but it's easy to slip into habits that could cause heartache—er, toothache—in the long run. We got the latest on giving your teeth the TLC they need from two New York City pros: Alice Lee, DDS, an assistant professor in the Department of Dentistry for Montefiore Health System, and Alison Newgard, DDS, an assistant professor of clinical dentistry at Columbia University College of Dentistry, will clue you in on where you could be going wrong.

Multitasking while you brush
Every minute in the morning feels precious, so it's tempting to brush your teeth in the shower or while scrolling through your Twitter feed. "To each his own," says Dr. Newgard, "but I prefer patients to be in front of a mirror, over the sink; you can be sure to hit all the surfaces of your teeth, and you'll do a more thorough job when you're not distracted." Better to leave the bathroom a few minutes later having given proper attention to each step of your prep.

Overcleaning your toothbrush
Thinking about running your brush through the dishwasher or zapping it in the microwave to disinfect it? Think again: While we've all seen those stories about toothbrushes harboring gross bacteria, the CDC says there's no evidence that anyone has ever gotten sick from their own toothbrush. Just give your brush a good rinse with regular old tap water, let it air-dry, and store it upright where it's not touching anyone else's brush. More drastic cleaning measures may damage your brush, the CDC notes, which defeats its purpose.

Using social media as your dentist
The web is full of weird and (seemingly) wonderful DIY dental tips that can hurt much more than they'll help. Read our lips: Don't even go there. "I've heard of patients who go on Pinterest and find ways to whiten their teeth there—by swishing with straight peroxide, for example—which are not good for their teeth," Dr. Newgard says. "Use ADA-approved products that have been tested." (Another online tip to skip: trying to close up a gap in your teeth with DIY rubber band braces.)

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Avoiding x-rays
There have been several recent scares about dental x-rays, including a 2012 study published in the journal Cancer reporting a possible link between dental x-rays and benign brain tumors. However, the American Cancer Society notes that the study does not establish that x-rays actually cause the tumors, and that some people in the study had x-rays years ago, when radiation exposure from dental x-rays was much higher. "X-rays are important because not all conditions can be identified with a visual exam," says Dr. Lee. "For example, there might be cavities between the teeth, or there might be a cyst or other pathology in the jaw." If you're concerned about radiation, talk to your dentist about ways to minimize the number of x-rays you get.

Storing your wet toothbrush in a travel case
It's important to stow your brush somewhere sanitary before you tuck it into your luggage for a trip—and equally important to set it free once you unpack. "Bacteria thrives in moist environments," says Dr. Lee. "While you should use a cover or case during transport, make sure you take your toothbrush out and allow it to air dry when you reach your destination." No stand-up holder in your hotel room? If you've got a cup for drinking water, that'll do just fine.

Drinking apple cider vinegar
According to assorted Hollywood celebrities and natural health experts, drinking unfiltered apple-cider vinegar can have near-miraculous effects on your insides. Research doesn't support those claims, but dentists are sure of one thing: The acetic acid in the vinegar is terrible for your tooth enamel. When it comes downing ACV (as proponents call it), Dr. Newgard says, even a good rinse with water afterward might not mitigate the quaff's potential damage: "I just think you shouldn't use it at all." (Our suggestion: Instead of drinking apple cider vinegar straight, try it in a vinaigrette, or use it to soothe sunburn or get chlorine out of your hair.)

Ditching your retainer
If you once had braces, whether as a teen or as an adult, it's smart to keep wearing your retainer for as long as your orthodontist recommends—which may mean several nights a week, forever. "A patient will have perfect teeth from braces," Dr. Newgard says, "and then they won't wear a retainer at night and their teeth will shift and they'll be unhappy all over again." Honor thy adolescent self, and keep those teeth in line for good. (Got a fixed retainer? Be sure to keep the device clean: "They can be plaque traps," Dr. Newgard says.)

Brushing right after your morning OJ
Like to start your day with a glass of orange juice—or oh-so-trendy lemon water? Brushing right afterward can wear away your enamel. "The acidic environment weakens the teeth enamel and erosion can occur during this vulnerable period," Dr. Lee says, "so neutralize your mouth first by drinking milk or water, or rinsing with a baking soda solution—or just waiting 30 minutes." The same goes for vomiting, Dr. Lee says, since that's acidic, too. (Gross but true!) If you've thrown up, be sure to rinse before scrubbing out your mouth.

Ignoring your daily (or nightly) grind.
While mild bruxism—that is, clenching your teeth or grinding your jaw—might not seem like a big deal, severe cases can lead to everything from chipped and worn teeth to headaches, jaw trouble, and even changes in facial appearance. It's hard to know if you grind your teeth at night if a partner doesn't tip you off, of course, but if you experience telltale signs such as jaw soreness or a dull, constant headache, make haste to the dentist; he or she can fit you with a mouth guard to protect you from additional damage.

Smoking
You already know smoking is bad for your lungs and heart. In case you need another reason to quit smoking: Besides the bad breath and stained teeth, smoking is one of the most significant risk factors associated with the development of gum disease (and the gum recession, bone loss, and tooth loss that come with it), according to the National Institute of Dental and Craniofacial Research. Worse yet, smoking can also lower your chances for successful treatment if you've already got gum disease, since nicotine compromises your body's ability to fight infection.

Skipping dentist appointments
Hate sitting in the dentist's chair? The very best trick for short-circuiting anxiety about going to the dentist is—surprise—going to the dentist. "Most patients who don't like to come in feel that way because when they do, they need a lot of work," Dr. Newgard says. "If you're in every six months for your checkups, you're less likely to run into problems." Moreover, dentists are beginning to employ everything from serene, spa-like settings to animal-assisted therapy (that is, a gentle dog who sits beside you at your appointment) to alleviate patient discomfort; you can find a dental practice in your comfort zone.

Not drinking enough water
If your part of the country fluoridates its water (find out by visiting the CDC's My Water's Fluoride page), you're in luck: The simple act of sipping tap water can help strengthen your teeth. (Prefer bottled? Some bottled waters have fluoride, and some don't; if it's not listed as an ingredient in the one you favor, Dr. Newgard says, it's extra-important to use toothpaste with fluoride.) Swishing with and drinking water is also an important way to rinse accumulated sugars and acids from your teeth.

Skimping on calcium and vitamin D
Minerals and vitamins are building blocks for bones and teeth, of course, but they're also key to maintaining their strength and density as we age—and these two are bones' strongest allies. According to the National Osteoporosis Foundation, adult women need 1,000-1,200 milligrams of calcium and 400-1,000 IU (international units) of vitamin D per day from food, sunlight (for vitamin D) and supplements. Consult your GP on your nutrient needs and be sure your teeth and bones are getting the support they need.

Reaching for the wrong mouth rinse
There are as many ways to wash that gunk right outta your mouth as there are types of gunk to have in your mouth. "Cosmetic" rinses, for example, will merely control bad breath and leave you with a pleasant taste in your mouth. Therapeutic rinses with ingredients like antimicrobial agents and fluoride, on the other hand, can actually help reduce gingivitis, cavities, plaque, and bad breath. (Fluoride rinses aren't recommended for children under 6, as they might swallow instead of spitting.)

This article originally appeared on Health.com.

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