The principle of braces is that teeth can be moved slowly to achieve the purpose of correcting the teeth alignment, but wearing braces is prone to cause congestion and periodontal diseases, and dental hygiene needs to be taken care of. Braces play an important role in the current orthodontic treatment, by wearing various kinds of braces, such as ordinary steel braces, ceramic braces, invisible braces, etc., which can help the teeth to move slowly to the ideal position, so that the teeth are neatly aligned, help to straighten the teeth and the current technology is becoming more and more advanced, fast, beautiful, and less and less painful. However, wearing braces is easy to trigger congestion, and poor orthodontic can cause teeth loosening, gum recession, gap between the teeth to increase and other undesirable conditions, so you need to be under the guidance of a professional doctor for orthodontic.