Toothbrush maintenance and replacement: Each time cleans the teeth finished, will be supposed to brush the toothbrush cleaning on a dynasty to put in the cup, will put in ventilates .

• 牙刷的保养和更换：每次刷牙完毕，应将牙刷洗净将刷头朝上放入杯内，置于通风干燥处。