Each TrueLife SonicBrush is preset with a timer for 2 minutes, which is the standard time to clean the entire dentition. The cleaning cycle is divided into 4 sections. Spend 30 seconds on each section, then the toothbrush will give you a short pause to alert you to move on to the next section. To learn the technique of how to brush your teeth properly, watch the video here:


https://www.youtube.com/watch?v=3ZG_NarlzP8&t=16s