The braces used to correct teeth, whether metal braces or invisible braces, have a better effect, patients can choose the right braces according to their own needs and financial ability. 1, metal braces: metal braces are more traditional restorations, have a certain strength, can cover the entire crown, the teeth have a better protection, and relatively simple operation, less wear and tear on the teeth, the price is relatively affordable. But the metal braces look worse, there is a sense of oral foreign body friction, easy to cause food embedding, need to be more attentive to clean teeth to prevent the breeding of bacteria; 2, invisible braces: the advantage of invisible braces is more beautiful, comfortable, can be taken off at will, convenient cleaning, easy maintenance, but also to reduce dental damage and food embedding. Invisible braces can also shorten the orthodontic time and the number of patient visits, but the price is high and limited indications. It is important to note that both metal and invisible braces should focus on oral hygiene. You should brush your teeth for at least 3 minutes in the morning and before going to bed to ensure a thorough cleaning of your teeth to avoid residual food debris and tartar, which can cause bacterial infections. After drinking beverages such as strong tea, juice, milk, coffee, or eating a spicy and stimulating diet, it is recommended to rinse your mouth in time.