牙本质敏感症是中老年人的一种多发病。由于牙齿磨损后,使牙本身外露,当遇到冷、热、酸、甜食物刺激时,便会产生酸痛感而影响进食。现介绍几种简单的牙齿脱敏法:一是嚼蒜法。 Dentin sensitization is a frequently-occurring disease in the elderly. Due to tooth wear, the teeth themselves exposed, when the cold, hot, sour, sweet food stimulation, it will produce soreness and affect eating. Now introduce several simple tooth desensitization method: First, chewing garlic method.