牙齿是人体中最坚硬的骨骼之一,但它也有自己的年龄,也有衰老的过程。那牙齿衰老的症状有哪些呢?牙科医生指出,如果出现这6种表现就说明你的牙齿老了。牙齿敏感表现为吃点冷热酸甜的食物,牙齿就出现锐痛、酸痛。其原因是牙齿表面的牙组织经过长时间磨损,导致与神经联系密切的深层牙体暴露于口腔中,食物刺激沿着这些通道传递给神经,引发疼痛。因此,首先要少吃过于刺激的食物,其次吃太硬的带壳食物要借助工具,还要改掉横向刷牙的 Teeth is one of the hardest bones in the human body, but it also has its own age and aging process. What are the symptoms of aging? Dentists pointed out that if these six kinds of performance shows that your teeth are old. Sensitive to the performance of teeth To eat hot and cold food, sharp teeth, pain, pain. The reason for this is that tooth surfaces on the tooth surface wear over a long period of time, leading to exposure of the deep tooth bodies in close contact with nerves to the oral cavity, and food irritation is transmitted to the nerves along these channels to cause pain. Therefore, the first to eat less stimulating food, followed by too hard to eat shelled food with the help of tools, but also to get rid of horizontal brushing