Secrets to Keep That Stellar Smile

Brushing carefully several times every day? That’s great. But after a while, it’s time to keep up the tooth brushing, but replace the toothbrush.

Change with the seasons

Experts from the Academy of General Dentistry recommend that you change your toothbrush before the bristles become frayed and separated, or about every three to four months. “A good rule of thumb is to change your toothbrush when it is no longer spongy and flexible,” says Dr. Alan Zweig, a fellow of the Academy of General Dentistry, and a practicing dentist in Los Angeles, CA.

Older toothbrushes are not only ineffective, but potentially harmful, as bacteria can also lodge inside and in between the bristles and cause cavities and infections.

Had a cold or the flu? Replace your toothbrush when you’re better, so you don’t reinfect yourself. Boiling your brush for five minutes can kill off leftover germs though it may make the bristles break down sooner than they would otherwise.

Keep it high and dry

“Rinse out your toothbrush with tap water after you finish brushing,” recommends Dr. Zweig. Then put it in a dry place, standing up, after each use. Traveling? Don’t cover the brush. That could create a moist environment ripe for bacteria that a toothbrush would easily transfer to your teeth and gums.

Pick the perfect toothpaste

“These days expect to find lots of different types of toothpastes on store shelves,” says Dr. Zweig. Toothpaste gives the mouth a fresh, clean feeling, and certain types of toothpaste deliver specific results:

• Fluoride—Strengthens tooth enamel
  
  
• Whitening—Whitens teeth up to two shades in six months
  
  
• Sensitivity—Uses potassium nitrate to block hot/cold sensitivity (when using a sensitivity toothpaste, put a lot of paste on the brush)
  
  
• Natural—Uses ingredients such as anise, tea tree oil, and cloves to clean the teeth
  
  
• Tartar control—Removes tartar-producing calcium phosphate from the teeth to help keep future tartar deposits from forming

Don’t forget the floss

Brushing may be the cornerstone of your healthy mouth—but flossing is essential for those hard-to-reach areas between the teeth. Dental tape and flosses (waxed and unwaxed) all work well, just choose your favorite and be sure to stick with it.

September 23, 2010

Fran Kritz is a healthcare writer based outside Washington, DC. For several years she was the Washington correspondent for Drug Topics and Retail Pharmacy News. She has written on consumer health and health policy for the Washington Post, MSNBC.com, and the Los Angeles Times.

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