Wearing braces generally refers to porcelain dental treatment, which is generally preferable for teeth that are worn down. If there is no caries and other conditions, it is not recommended to use this way of treatment. 1. Due to fluorosis and tetracycline teeth and other factors lead to bad tooth color, can be porcelain dental treatment, but this treatment has a certain degree of trauma to the teeth, the teeth to the late stage is prone to pulpitis disease. 2. Currently, porcelain veneers can also be used to improve the appearance of teeth. As root canal treatment is done after dental diseases, the teeth are ground down to make veneers, which is a good protection for the affected teeth after root canal treatment. 3. Although porcelain dental treatment has better results, teeth without obvious symptoms of decay are generally not recommended to grind down teeth for braces. When the teeth appear discomfort, should promptly go to the hospital, improve the examination to clarify the cause of the disease, to facilitate further treatment, daily avoid spicy and stimulating time intake, pay attention to oral hygiene.