User manual PHILIPS HX3351

[. . . ] You may also brush your tongue, with the toothbrush turned on or off, as you prefer. Tips for specific oral care needs Stain removal In areas where staining occurs, spend extra brushing time to assist with stain removal. The brush should be placed at a 45-degree angle between your brackets and gumline. While applying light pressure, gently move the bristles in a small circular motion so that the long bristles reach between your teeth for 2 seconds. [. . . ] If this product is to be used in clinical trials, use new alkaline batteries. Batteries need to be replaced at least every 6 weeks during a clinical trial. Attaching the brush head 1 Align the front of the brush head with the front of the toothbrush handle (fig. 2 Screw the brush head nut clockwise until it's firmly tightened. If the brush head rattles during use, tighten the nut further (fig. 1) Close supervision is necessary when this product is used by or on children under age 10 or the disabled. 2) Consult your dental professional before using this product if you have had oral or gum surgery in the previous 2 months. 3) Contact your dental professional if excessive bleeding occurs after using this product or bleeding continues to occur after 1 week of use. 4) If you have any questions concerning usage with a pacemaker or other implanted device, consult your physician or the implanted device manufacturer prior to use. sonicare has been tested and is compliant with safety standards for electromagnetic devices. 5) Only use AA-size alkaline batteries in this product. 6) Avoid using a brush head with crushed or bent bristles. Damaged bristles may break off while brushing. In order to prevent this, replace the brush head every 6 months or sooner if signs of wear appear. 7) If your favorite toothpaste contains peroxide, baking soda, or other bicarbonate (common in whitening toothpastes), it is important that you thoroughly clean your brush head with soap and water after each use. 8) This product is designed for cleaning teeth, gums, and tongue only. Do not use it for any other purpose and do not use attachments not recommended by the manufacturer. 9) This product is a personal care device and is not intended for use on multiple patients in a dental office or institution. 10) This product contains no user-serviceable parts (other than the removable batteries). If repair is needed please refer to chapter 'Customer service information' in this manual and contact one of our representatives. [. . . ] 2 Clean the brush head at least once a week, including under the nut. Avoid using sharp objects to press on the seal as this may cause damage. 4 To reattach the nut, slip the nut over the brush head shaft and pull it down until it clicks back on (fig. NOTE: Brush heads and the appliance should never be placed in the dishwasher. [. . . ]