What are the advantages and disadvantages of wire braces?

Steel wire braces, our understanding is metal bracket appliances. metal bracket appliances do correction has its advantages and disadvantages, the main advantage is that the metal bracket volume is relatively small, and its strength is relatively high, and it can also regulate the movement of teeth in three dimensions, so it has a better correction effect for malocclusion. Especially for more serious malocclusion, the correction effect is better, especially self-locking metal bracket appliances. However, it also has shortcomings, first of all, the color is not beautiful, it is black, which will affect the appearance. Moreover, it may cause damage to the mucosa, resulting in ulcers in the lip mucosa.