Installing porcelain teeth does not mean that porcelain teeth can be used for a lifetime. As a product, porcelain teeth also have their own service life. Shao Longquan, chief physician of the Department of Stomatology, Southern Hospital of Southern Medical University, said that the porcelain tooth itself can be used for decades, but the abutment around the porcelain tooth will break due to various lesions after 5 to 10 years.

When asked about the life span of porcelain teeth, some dentists will say 20 years or 30 years, while others will say 5 ~ 10 years. Actually, none of them are accurate. The porcelain tooth itself may exist for several decades, but the abutment (one's own natural tooth) around the porcelain tooth may be broken due to various diseases (the time is 5 ~ 10 years). For example: abutment caries, pulp necrosis, root canal therapy, lateral penetration of root canal, crown root fracture, loosening and so on.

Extended data:

Porcelain fused to metal teeth may collapse after 5 years. The so-called porcelain collapse refers to the single or multiple layers of enamel porcelain layer, dentin porcelain layer and shading layer falling off, and the hardest teeth may still crack. It is natural that the relatively fragile porcelain layer collapses. Porcelain teeth themselves do not change color, but they may still turn yellow, because dentin porcelain can be exposed to yellow due to pigment deposition, long-term wear or excessive grinding. However, this change takes a long time to happen, usually five years later. This yellowing is actually caused by the exposure of dentin porcelain caused by wear.

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