老人牙齿为何怕酸?问:最近是李子丰收的季节,这两天给妈妈买了最新鲜的李子,可没想到,没吃两三颗她就“倒牙”了,好几天都不敢吃东西的。妈妈说她年龄大了,不能像以前一样吃酸甜的东西,这是为什么呢?有什么办法解决吗?答:医学上将牙齿遇冷、热、酸、甜时产生的疼痛现象,叫牙本质敏感症,这在老年人中经常见到。牙本质敏感症不是一种独立 Why the elderly teeth fear acid? Q: Recently, the plum harvest season, these two days to buy the freshest plums for her mother, I did not expect, did not eat two or three she “inverted teeth ”, for several days Dare not eat Mom said she was older, can not eat sweet and sour things as before, which is why? Is there any way to solve it? A: The medical case of teeth in cold, hot, sour, sweet pain phenomenon, called teeth Essential allergies, which are often seen in the elderly. Dentin is not an independent dentist