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shaws does.. and most likely all supervalu stores as well

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A toothbrush is not a simple machine, it does not work on the principle of levers, effort, and load.

It's not a machine at all in mathematical terms. A "machine" is that which performs "work", i.e. transfers or converts energy.

You arm moving the toothbrush is a machine by this definition, however.

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the definition of technology states that any nonliving object that can be used to help the human race/culture is technology. Therefore, a toothbrush helps us be clean, so its technology.

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I received the sonic care for Christmas and it is great! It has a timer on how long you brush the top front, top back, lower front, and lower back. Each section is 30 seconds, so a total of two minutes. It is costly, but my husband has had fewer cavities, and our teeth feel dentist clean each time. Also, because of the sonic action it cleans the gums better and I have had less gingivitis. Every time I would go to the dentist and he would say I had to floss better, and after having the sonic care for 4 months I went for my check up and he told me that I had 100% improvement on my gums! They also say that after 28 days your teeth are whiter, and it

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Not any more. Long ago, in the early days of toothbrush manufacturing, all toothbrushes were made with boar's bristles. Around about the time of WWII and the invention of nylon, this changed.

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It wasn't common to use toothbrushes then, most people would used a wooden stick that was chewed at the end to make what resemble today's bristles. Commonly called a "toothstick"

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No

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along with brushing twice a day you must also floss to get between those tight teeth where all the plaque is hiding. there are no real techniques you just brush for two minutes twice a day as well as floss.

I am a dental professional and the only technique to effectively clean all plaque from your mouth daily is to brush twice daily for two minutes each time. Making sure to get each surface (cheek side, tongue side, and biting surface) with a small circular motion. Be sure to focus on the gumline by attempting to massage the 2mm area in between the tooth and gums. This paired with daily flossing (that's right, flossing is ESSENTIAL and not negotiable) in order to get the plaque from in between the teeth that is literally impossible to clean off with a toothbrush should keep the cavities away. Be sure that your toothbrush is relatively small, and ALWAYS use a SOFT BRISTLED one. Although electric toothbrushes have been proven in studies to not be quite as effective, I highly recommend it to children who don't think brushing is much fun. You'd be amazed at how much more fun and easy it is for children or the elderly with limited manual dexterity.

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just buy a oral b vitality 30 dollars it works great

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No

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I'm not sure what help the teeth the most but i recommend a toothbrush with a spin brush because kids will most likely brush longer and it removes more plaque.

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Put Hydrogen Peroxide in a glass & soak brush.

Try soaking them in a glass with a dissolved tablet that is sold for cleaning dentures!

If the toothbrush isn't more than 3 months old (recommended use), put it into the dishwasher for a run to clean it.

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6 to 7 inches long.

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oral b vitality i love it

There's not much evidence that electric toothbrushes are better than manual toothbrushes. But it's very clear that they're not worse. In the case of the ones with timers, their biggest benefit is probably just getting you to brush as long as you should (two or three minutes). There is some evidence that electric toothbrushes that spin in both directions, like some made by Oral-B, are better than manual brushes. My dentist recommended a two-speed electric toothbrush. The faster speed is for your teeth, the slower speed is for your gums. You need to be gentle with your gums.

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it can, but this method is only 75% effective

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It certainly does it kill most of the bacteria and germs but you might want to use mouth wash, it also kills and using anti bacterial soup and scrub it on your tooth brush.. Rinse the tooth brush well. That really helps. Hoped I helped. (: ps: your tooth brush should be boiled for 5-10 mins.

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There are two options to induce vomiting with a toothbrush. One method involves the use of the bristles at the head of the toothbrush, and the other method involves the use of the end of the toothbrush. Both methods are effective to some degree. However, any method to induce vomiting may not work for everyone.

First, with the head of the toothbrush, to induce vomiting you wet the bristles and move the head back and forth on the back of the tongue. When you start gagging do not stop moving it back and forth. Do not remove the toothbrush from your throat until you have stopped vomiting. Be sure that you wash the entire toothbrush thoroughly when you have finished.

Second, with the end of the toothbrush, to induce vomiting you wet the end and move it back and forth on the ridges at the back of your throat. When you start gagging do not stop moving it back and forth. Do not remove the toothbrush from your throat until you have stopped vomiting. Be sure that you wash the entire toothbrush thoroughly when you have finished.

Whether or not you are using either method, after vomiting gargle with warm water mixed with a spoonful of baking soda to neutralize the gastric acids in your mouth before brushing your teeth, flossing, or rinsing with antiseptic mouthwash.

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yes

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=Manual toothbrushes are made from soft nylon and other synthetic materials (for the bristles). The handle and head are made from hard plastic.=

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There is no radiation in a Sonic toothbrush. An electric motor powered by a rechargeable battery in the base causes the two opposing magnets in the head to vibrate rapidly causing it's " sonic" effect.

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it probably is just somebody they hired at try-outs.

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About 15 to 20 G.

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I'm thinking that it might weigh anywhere from. 2 oz to 3 oz

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Take a little peice of cheese cloth or gauze and wrap it around your pinky finger. It works like a charm. If you start when the pet is little. It's a breeze!

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well the first tooth brush was invented by native americans they used corn hulls and salt to brush their teeth.