There are different types of dentures (prosthetics) and different ways to maintain them. But there is a consistent, that is, to regular follow-up, let the doctor check, found the situation in time to deal with, and should not just have a problem before seeing a doctor. 1, fixed dentures: such teeth and real teeth of the same size, well bonded to the abutment teeth, easy to use, do not need special maintenance measures. However, it should be noted that porcelain teeth, all-ceramic teeth, etc. can not eat hard objects; dentures should pay special attention to clean, brush your teeth carefully. If there is bleeding gums, stuffed teeth, etc., to find a doctor in time to deal with. 2, dental implants: the maintenance requirements of such dentures are strict. Try to quit smoking and drinking. Regular follow-up to do periodontal maintenance, such as scaling and so on. Similarly, the denture can not be subjected to sudden external forces, can not bite hard objects, while regularly let the restorative doctor to do the examination, found that the problem is dealt with in a timely manner. 3, movable teeth: such denture maintenance is relatively cumbersome. After wearing the denture, the mouth may temporarily have a foreign body sensation, nausea or vomiting and other adverse reactions, sometimes pronunciation can be affected, and chewing function is inconvenient. Generally, it can be improved after 1~2 weeks of patient practice. If you are not skillful in removing denture, you need to practice patiently. When removing denture, it is better to take the base instead of pushing and pulling the ring. Don’t exert too much force and don’t bite the denture with your teeth to prevent deformation of the clasps or fracture of the denture. When you first wear denture, you should not eat hard food, you can start with soft small pieces of food, and then slowly transition to normal diet after you are skillful in using the denture. It is also not advisable to bite and cut food, temporarily use the back teeth to chew food. After wearing the denture for the first time, sometimes there may be mucosal pressure pain, you can temporarily remove the denture and soak it in cold water, and put it on 2~3 h before the follow-up consultation, so that you can accurately find the pain point, which is conducive to the modification of the denture…. Remove the denture after meals and before going to bed and brush it clean, brushing with water dipped in soap and toothpaste is acceptable. In order to reduce the load on the supporting tissues and give them some time to rest, it is best not to wear the denture at night, remove the denture and soak it in cold water, but do not put it in boiling water or alcohol solution. If you feel uncomfortable after wearing the denture, you should go to the hospital in time for a follow-up consultation, and do not modify it by yourself. If the denture is damaged or broken, it should be repaired in time and the broken part should be brought to the hospital at the same time. It is best to have a follow-up visit every six months to a year.