刷牙前应先浸湿牙刷。由于北方天气干燥,如不事先将牙刷浸湿,则牙刷的刷毛会变得非常硬.容易损伤牙龈。另外.很多人纠结到底该用软毛牙刷还是硬毛牙刷。牙刷的刷毛软硬度选择上因人而异。如牙周病患者就需选择软毛牙刷,有利于清洁牙周带。无牙周病的人可选择刷毛软硬度中等、刷 Soak the toothbrush before brushing your teeth. Due to the dry weather in the north, if the toothbrush is not wetted beforehand, the bristles of the toothbrush can become very hard, which can easily damage the gums. In addition, many people tangled in the end with the soft bristles or bristles toothbrush. Toothbrush brush hardness selection varies from person to person. Such as periodontal disease patients need to choose soft hair toothbrush, is conducive to cleaning the periodontal belt. People without periodontal disease can choose medium and brush hardness soft brush