New Technology Could Silence the Dentists Drill

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If you cringe at the high-pitched squeal of a dentist's drill, you're not alone. Studies have shown it's that very sound that makes people anxious about going to the dentist.
"It's been demonstrated that people's blood pressures rise as soon as they hear the sound, even if they're not sitting in the chair yet," said Dr. Mark Wolff, professor and chair of the Department of Cariology and Comprehensive Care at the New York University College of Dentistry.

"It's one of many triggers that make people nervous about coming to the dentist," said Dr. Denis Kinane, dean of the University of Pennsylvania's School of Dental Medicine in Philadelphia.

For those who fear the sound of the dental drill, there's a new technology that will make getting fillings sound easier.

A British dentist has developed a device that filters out the noise of the drill. Patients can still hear other sounds, such as the dentist talking.

"The way that technology works is it listens to the sound, then takes that sound and puts the exact opposite wave around it and if you put two sound waves together with one going in and another going in the opposite direction, there's no sound that comes out," said Wolff.

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I think most people would agree that the sound if the drill is one of them sounds that makes us nervous, I admit im petrified at the dentist.