What is tooth sensitivity and its causes.

There is a layer of enamel on the outside of the teeth, which is the hardest tissue in the human body. When the integrity of this protective layer is damaged and the dentin is exposed to external stimulation, sensitivity symptoms will occur. This is what we call tooth sensitivity. So, what are the common causes of tooth sensitivity?

1. Cold stimulation: When the weather suddenly becomes cold, talking and opening your mouth will cause cold air to enter the mouth and stimulate the periodontal, which may cause symptoms of tooth sensitivity, such as toothache, tooth acidity, etc. Generally no special treatment is required;

2. Acidic food irritation: Drinking acidic drinks (such as carbonated soda, lemon juice, etc.) can also easily cause symptoms of dentin sensitivity;

3. Exposure of dentin defects: Mainly caused by caries, abrasion, acid erosion, periodontal scaling, trauma and other reasons. At this time, restorative dentin is not formed in a short period of time, so teeth will appear. Symptoms of sensitivity to mechanical, chemical and temperature stimulation, including soreness and softness of teeth. Generally, tooth sensitivity can resolve on its own as restorative dentin forms.