Braces do not necessarily require bone spikes. If the deformity of the teeth is not serious, only for minor orthodontic treatment, wearing braces generally do not need to hit the bone nail, although the bone nail can make the teeth fixed better, but if it is to carry out ordinary orthodontics basically there is no need to hit the bone nail, ordinary orthodontic treatment is to wear brackets and fixed on the teeth of the trocar, the teeth will not be affected by the degree of fixation will not be changed. If there is a need to move the teeth, so that the teeth to achieve the effect of alignment, this time may need to hit the bone nail, so that the teeth are more stable, to avoid tooth damage, loss, shift and other situations. Usually need to do a good job of personal dental care, braces after the best not to eat too hard food, keep a light diet.