With the enhancement of people's health consciousness, many teeth are missing or defect will choose porcelain teeth, dental restorations, the natural life of porcelain teeth how and what factors affect the life of porcelain teeth by a lot of people are concerned about a In fact, clinical practice shows that the life of porcelain teeth with porcelain teeth materials selection, and maintenance of patients outside, have a great relationship with the doctor's level of technology.
Do porcelain teeth, porcelain teeth; the marginal adaptation is very important. If porcelain teeth, poor marginal adaptation, it will lead to the gingival margin is easy to gather food, then it is easy to appear red, swollen gums, tooth pain condition, eventually leading to dental equipment the failure of the porcelain teeth.
Porcelain teeth, porcelain teeth marginal adaptation, mainly caused by several reasons:
1. Is the porcelain teeth of the metal ion and biocompatibility of the human body is not good, cause the gingival margin, not close together and easy to gather food.
The non-precious metal porcelain teeth is made of metal nickel-chromium alloy crown outside the high-temperature ceramic made, because its price is relatively low, so more in our application. Ni-Cr alloy porcelain teeth poor marginal adaptation.
Precious metal porcelain teeth not easily corroded metal-porcelain bond strength is good, not collapse porcelain, gums, black line, and marginal adaptation, and The whitening wants to pay attention is a leader in the metal porcelain teeth.
2. The doctor's experience is lacking, the operation is not the formal cause gingival margin not close together and easy to gather food.
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