Braces can be divided into ordinary steel braces, lingual invisible braces, invisible braces, ceramic braces and many other types, all can play a better role in correction. Due to the price, different perception, according to their own financial ability and needs, choose the right braces, do not need to entangle in the so-called material good and practical braces: 1, ordinary steel braces: belongs to the metal braces, but may not be very beautiful, and easy to cause food embedding, tartar accumulation, should pay more attention to dental cleaning; 2, lingual invisible braces: also belongs to the metal braces, can be the crown as a whole cover, the protection of teeth The effect is better, and has a certain corrective strength. But the operation process is complex, difficult, and therefore relatively expensive; 3, invisible braces: also known as invisible orthodontic retainers, with transparent, beautiful, comfortable, well hidden characteristics, to meet the user’s requirements for the sense of appearance. Invisible braces can be removed by themselves, convenient to clean oral hygiene and braces hygiene, but also to avoid food residue or friction oral discomfort, the general price is also more expensive; 4, ceramic braces: hardness closer to the enamel, with better strength, to create a clean glass-like teeth state, but drinking coffee, strong tea and other dark beverages or smoking may leave pigmentation, it is recommended to choose a better porcelain material It is recommended to choose the better porcelain material, which is usually more expensive.