The Oral-B Pro-Flex Pro-Health Manual Toothbrush has flexing sides that adjust to the unique curves and contours of your teeth to remove plaque, including along the gumline, for a superior clean vs. an ordinary manual brush*. Because of its flexibility, it is gentle on gums too. *with regular use. Product information is provided by the product vendor. This content is a summary for informational purposes only and does not have all possible information about this product. It should not be used as a substitute for advice from health care professionals, as this information alone does not assure that this product is safe, effective, or appropriate for you. For more detailed information on this product, including reported and possible side effects and contraindications, refer to the manufacturer's monograph, or speak with a health care provider.