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Brushing up on brushing

Toothbrushing may be the most ingrained of all health habits. We take a toothbrush with us when we travel. And most people can’t imagine getting through a day without brushing at least once and probably twice.

But just because we do something often doesn’t mean we do it right — and there’s lots of bad brushing going on. An inadequate job leaves behind the bacteria-laden plaque — the whitish stuff that collects in between teeth and near the gum line — that causes cavities and gum disease.

Overzealous brushing is a problem, too, scraping away tooth structure and damaging gum tissue so it loses its nice, tight grip on teeth and opens the door to infection and serious gum damage.

Here are seven tips about toothbrushing that may help you to do a better job of keeping teeth clean.

1. Brush longer than you think you need to. A good, thorough brushing takes at least two minutes whether you are using a manual or powered toothbrush.

2. Work systematically. Some dentists recommend dividing the mouth into quadrants and moving methodically from the upper right to the upper left to the lower right and then to the lower left. The order doesn’t matter so much as being thorough.

3. Use a brush with soft bristles of varying height. Soft bristles are easier on the teeth and gums and may do a better job of cleaning between teeth. Toothbrushes used to be made so all bristles were the same height. Now many have bristles that vary in height. It’s been shown that such a design may improve cleaning between teeth and of the sulci, the tiny pockets between the teeth and the gums.

4. Change your brush at least every three months. When the bristles splay, they’re less effective. And a worn-out toothbrush is more likely to harbor oral bacteria that will get reintroduced into your mouth every time your brush. You should replace your toothbrush every three months or so.

5. Manual can be just as good as electric, but… Many studies have shown that manual brushing can be just as effective as using a powered toothbrush. But the powered brushes, including affordable battery-powered models, may be more efficient and possibly do a better job of cleaning between teeth.

6. If your technique is working, just stick with it. If you wander into the world of toothbrushing research, you find that there are many techniques, most named for their proponents. So there’s the Bass method (bristles at a 45-degree angle, short vibrating motion), the modified Bass method, Fone’s (circular motion), Charter’s (bristles at a 90-degree angle and pushed in between teeth) and Leonard’s (the simple up and down scrubbing that many of us grew up doing). But if you’re getting good results, just stick with what you’re doing. If you’re not, perhaps your dentist or the hygienist will make some helpful suggestions.

7. And don’t forget to floss! This is the second commandment of dental hygiene after “brush regularly.” Manual brushing can’t reliably clean between the teeth. Powered toothbrushes may do a better job, but they don’t eliminate the need to floss. Acquiring the flossing habit can be difficult, particularly for those of us who were reared on the brushing message.

July 2008 update

Improving Memory Health Report
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Improving Memory: Understanding and Preventing Age-Related Memory Loss

Does it take you longer to recall facts? Does something you heard just a moment ago fade quickly from your mind? If you're like most people, you worry that your memory isn't as sharp as it used to be. But memory loss is not inevitable. This report is a practical guide to the causes of memory loss and the steps you can take to improve your ability to learn and remember for a lifetime. Read more

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