If you make porcelain teeth, you must choose a regular hospital. Doctors' skills and materials are guaranteed. The quality of general porcelain teeth is guaranteed. If you have any questions, you can ask the doctor. Many doctors in small clinics have no sense of responsibility and no interests.

It is normal for porcelain teeth made of metal to blacken after being used for a long time, but you said that blackening just after wearing it should be a material problem. It is best to choose all-ceramic materials for front teeth. There is almost no difference between porcelain teeth and natural teeth, with good permeability and strong friendliness. Its level and color are completely close to real teeth, and its reflection of light is as natural and soft as natural teeth.