Do your teeth need to be straightened? That depends on whether your teeth have the following phenomena, if there is the need for orthodontic Oh! 1, crowded teeth Quickly see if your teeth are misaligned in all directions, whether there is anti-jaw, open jaw, super jaw, lip closure difficulties, etc., if there is the need for orthodontics! 2, bimaxillary protrusion bimaxillary protrusion is manifested as the upper and lower jaws are protruding forward, open lips and teeth, this symptom is mostly caused by genetics or acquired bad habits. Bimaxillary protrusion has a great impact on appearance and temperament, and needs orthodontic treatment! 3, deep coverage of the front teeth Deep coverage of the front teeth refers to the maximum horizontal distance from the incisive end of the lower front teeth to the lip of the lower front teeth is more than 3mm. This is what we usually call the upper front teeth protruding too far forward and protruding, if not corrected, will affect the development of the cranial and jaw surface, resulting in abnormal pronunciation, so orthodontic treatment is needed! 4, buck teeth buck teeth protruding front teeth, the upper row of teeth protruding outward a lot, the lips can not be closed, smile when the gums exposed too much. 5, too big gap teeth crowded teeth need orthodontics, too big gap also need orthodontics. The gap between teeth is usually too small, the arch is too large, causing the teeth to be arranged thin, there are gaps, easy to embed food, over time will cause tooth decay, gum inflammation. 6, pocket teeth pocket teeth refers to the lower teeth than the upper teeth protrude more than 1 cm, the upper and lower front teeth can not bite each other, can not exercise the function of cutting and biting, eating time is longer than normal, not only affect the appearance, over time will also cause digestive system diseases.