The treatment of tooth root defect is as follows: 1. First of all, it depends on how we find the root defect, the tooth is sore when brushing, then a mirror finds a small nest outside the tooth, in fact, this is clinically known as wedge-shaped defect, this time go to the hospital to get a resin filling on it, and after filling, the general discomfort when brushing and the painful symptoms when eating cold and hot will disappear. In addition, it is important to change your brushing habits, not to brush horizontally, but to use the correct brushing method. The correct method of brushing teeth is called Bartholomew brushing method, this is detailed in Baidu and other websites, first of all it is certainly not horizontal brushing, it is to put the toothbrush between the gums and teeth, through the force of trembling to brush out the dirty things; 2. There is another kind of defect is the elderly people over time, the bacteria will slowly build up in the neck of the teeth and thus carry out damage. Clinically, after some elderly people come, the whole root of the tooth is all blackened, and there are some cavities exist, this time it depends on the depth of its specific decay. Some caries is shallow, and it can be filled after removing the decayed stuffs, some caries is deeper, especially the teeth that only look black outside but rotten inside, it can not be solved by filling, it may need to do root canal treatment and pile to secure the hardness; 3, there is bad again, it may be like chopping wood, the whole defect is wedged in deep, this tooth may Once you bite into something hard, it will be easy to break, and this kind of tooth can not stay. Therefore, for root defects, it is better to detect and treat them as early as possible, rather than waiting for the last case, when the teeth may not be retained.