Answers to Commonly Asked Questions Q: How is the Oral-B Pro-Health Pulsar toothbrush different from other manual toothbrushes? A: Although you brush with the Pulsar toothbrush just as you would with a manual toothbrush, its battery-operated motion allows gentle vibrations to get deep between teeth and break up plaque for a healthier smile. Q: Is it safe to use several Crest + Oral-B Pro-Health products together? A: Absolutely. In fact, Crest + Oral-B products provide a thorough clean. You can be sure you're getting protection from gingivitis, cavities and tooth sensitivity. -------------------------------------------------------------------------------- Pulsar has soft vibrating bristles that help break up plaque between teeth. Just turn it on and brush as you would with a regular manual brush. Plus, Pulsar's pressure-sensitive split head adjusts to the contours of your teeth to clean hard-to-reach places.