People who feel anxious about trips to the dentist because of the noise of drilling in their teeth may be helped by a new headphone device. British researchers have invented a prototype device that works like noise-cancelling headphones but is designed to block the high-pitched sound of the drill. Patients would simply unplug the regular headphones that come with their MP3 player or cellphone, plug in the new headphones, and then listen to their own music while blocking out the unpleasant sound of the drill and suction equipment. It would be fairly cost-effective for dentists to buy, and any patient with an MP3 player would be able to benefit from it.
This is a great idea but why wouldn't regular noise cancelling headphones work? Don't be a whimp. Noise isn't going to hurt you. Go get your teeth cleaned. It is now clear that dental hygiene is very important to oevr-all health
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