Toothbrushes

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

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. ...

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...

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. ...

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. ...

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" ...

No

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...

just buy a oral b vitality 30 dollars it works great

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. ...

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....

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. ...

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...

it can, but this method is only 75% effective

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. ...

yes

6 to 7 inches long.

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. ...

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

Yes, Ultraviolet (UV) Sanitizers for pools do work. They use the same wavelength of UV light (254nm) that has been used worldwide for over 60 years to purify drinking water. For a more specific explanation of how they work see below. The UV254 Sanitizer uses Ultraviolet Technology at a wavelength of 254 nanometers (nm) which does not produce ozone. Basically, ultraviolet light (UV) reacts with the DNA and RNA of living things to destroy the activity of these important molecules. In particular, the...

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! ...

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

it stands for the stiffness of the bristles but the lower the number the softer or harder? ...

28 721 that's in a year worldwide is 568 347 00