Rotary Vs. Oscillating Toothbrushes
With several different battery-powered toothbrushes available on the market, it can be difficult to determine what is the best product for quality care. Comparing oscillating and rotary toothbrushes will help you determine the best product for you and your family.
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Oscillating Toothbrushes
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The oscillating toothbrush, according to its U.S. patent, is a toothbrush designed to automatically move up and down (or side to side) along the teeth while the user moves it across the mouth's entire surface. The oscillating motion is created through two pins in the handle moving in opposite directions when the brush is turned on, per Free Patents Online.
Features of an Oscillating Brush
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Animated Teeth.com reports that an oscillating brush can make up to 7,600 brush strokes per minute depending on the type you buy. Oscillating toothbrushes work best when applied tooth by tooth--meaning you completely clean one tooth before moving on to the next.
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Rotary Toothbrush
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The U.S. patent on the rotary toothbrush defines it as a brush whose bristle head is mounted on an axis contained in its handle. The rotary brush head moves in a fast, circular motion, much like the professional cleaning devices used at a dentist's office.
Features of a Rotary Brush
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Animated Teeth.com reports that rotary brushes generally make between 3,000 and 7,500 strokes per minute. Since the brushes move in only one direction, rotary brushes rely more on the person using the toothbrush to reach in between teeth; its efficacy depends on the amount of contact the bristles have with the tooth.
Considerations
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While the American Dental Association (ADA) has not specified whether an oscillating or rotary movement is better, it has recommended that an electric toothbrush be considered by anyone who has limited mobility in the arms or shoulders. All electric brushes must meet strict safety requirements when tested by an independent lab. In addition, they must provide documented evidence that they are safe to use on all types of oral tissue and dental restorations, such as fillings and crowns.
Caring for Your Electic Toothbrush
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The ADA recommends that the toothbrush be replaced every three to four months or when the bristles become frayed. All electric brushes are equipped with removal heads that can be replaced. Also recommended is that all toothbrushes be stored upright and allowed to air dry to prevent the growth of bacteria.
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References
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- Photo Credit elecrtic toothbrush image by Wayne Abraham from Fotolia.com
