How long do porcelain teeth last? What determines the lifespan of porcelain teeth? Porcelain teeth are an excellent means of restoring teeth, and many patients with dental defects prefer to choose porcelain teeth for dental restoration. Porcelain teeth are beautiful and realistic, strong and durable, but how long is the life span of porcelain teeth? If it is a flash in the pan, then porcelain teeth will have little meaning, the key factor in determining the life of porcelain teeth is the closeness of fit. Porcelain teeth are placed on the real teeth, so there will be a gap between the real teeth. Porcelain teeth are fixed on the polished teeth through the adhesive, the gap between the porcelain teeth and real teeth rely on the adhesive seal, therefore, the closer the porcelain teeth and real teeth, the smaller the gap between the two, the more conducive to the protection of natural teeth. The larger the gap between the two, or the bonding agent is not of high quality, will lead to germs entering the gap to cause corrosion of the natural teeth, forming caries, and the real teeth inside are bad, the porcelain teeth will become a wood without a foundation. You can see how critical the impact of the closeness on the life of porcelain teeth. Do porcelain teeth, must go to the regular professional dental institutions to prevent cross-infection and complications, informal dental clinics, will be substandard, so that the life of porcelain teeth will not be guaranteed. The above is the introduction of the life of porcelain teeth, for reference only. The life span of porcelain teeth has a lot to do with the closeness, and the closeness is determined by the quality of porcelain teeth.