Not all tooth decay needs to wear braces, tooth decay is also commonly known as tooth decay, and braces generally refers to a form of crown restoration, often referred to as porcelain crowns. For tooth decay, some of them need to wear porcelain crowns, but most of them are not necessary. The early stage of tooth decay can be treated by filling, the early stage refers to the early and middle stage of tooth decay, during this period, the tooth decay has not caused obvious pain, at this time, the dental power system is used to remove the decay and fill the tooth decay with filling material, there is no need to wear braces. But at the end of caries, it causes the symptoms of pulpitis, then it is necessary to carry out root canal treatment, and the tooth after root canal treatment is recommended to wear braces and porcelain crown in order to avoid the splitting of the tooth body.