Better health through better tech

Gadgets to keep the doctor (or dentist) away.

2 of 3

Oral-B Professional Care SmartSeries 5000

$95, amazon.com

Dental hygiene is about more than no cavities -- it's been linked to the risk of heart disease. With a timer that nudges you to switch to a new quadrant of your mouth every 30 seconds, this brush won't let you skimp on scouring.

NEXT: Fitbit

Last updated July 22 2010: 3:42 PM ET

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