The bracket fell out of a need for early adhesion, so as not to affect the later life, and there is no latest time. After the bracket fell out of the best as soon as possible to see a doctor for examination, to understand the individual situation, in a timely manner, the bracket will be re-bonded, it is best not to delay, there is no latest time, as soon as possible to treat the relatively good. After the brackets fell out of the oral cavity force situation may have an impact, if not timely repair may lead to the root of the tooth has the possibility of reset, affecting the later orthodontic effect. If the brackets have been done, usually must pay attention to personal diet, it is best not to often eat too hard food, but also need to pay attention to brushing method, if usually overstimulation of the brackets may lead to bracket fall.