After the completion of porcelain dental restorations, there is a certain period of use, the factors that determine this period of use are three: one is the quality of the porcelain dental restoration itself, the second is the condition of the patient’s abutment teeth, and the third is the patient’s use. Porcelain teeth are broken how do you know? Porcelain teeth on the impact of the teeth years of use, solidity Do porcelain teeth, to repair and grind itself a very thin layer of teeth, some people worry that the teeth repair small, there will be any adverse. Generally speaking, after the tooth repair small, to the outside world will feel sensitive to hot, cold, sweet and sour, which do not worry, the doctor will give you a temporary crown to protect your teeth. When the porcelain teeth done, remove the temporary crown on behalf of the porcelain teeth, plus the middle of good bonding material isolation, you will not have any discomfort, but on behalf of the porcelain teeth on their own teeth will have a very good “protection” role, no longer worry about the teeth “rotten hole” problem. A regular physician strict, standardized, correct operation, design, production of porcelain teeth, generation in the mouth of the use of years, ordinary alloy porcelain by the study concluded that about 65% can use more than 20 years, which also has to be patient’s own care. If you do not brush your teeth, gnawing things, then it will greatly reduce its service life on. When you brush your teeth carefully, regular hospital cleaning, health care do not eat very hard food (normal use), the production of high-grade precious alloy porcelain teeth, then, its long life can reach a lifetime, a good porcelain teeth, depends on the clinical engineer standardized operation, correct design, professional restoration theory and technician close cooperation, etc., otherwise, it will be difficult to achieve the desired restorative effect. If the porcelain tooth is chipped is very difficult to repair, if the chipped porcelain is very small, you can consider letting the doctor help you polish a little, remove the sharp edges to prevent the chipped again. A small amount of chipped porcelain teeth can be repaired with a special bonding resin. If there is more chipping, it may have to be redone.