What does cobalt chromium alloy porcelain tooth harm have
summary
Porcelain fused to metal (PFM) tooth is a kind of advanced dental inlay technology. It has the advantages of beauty, nature, firmness and wear resistance. It is a favorite product for many patients with dental diseases. Cobalt chromium alloy porcelain teeth are typical non precious metal porcelain teeth. So, what is the harm of cobalt chromium alloy porcelain teeth?
What does cobalt chromium alloy porcelain tooth harm have
First of all: cobalt chromium alloy porcelain teeth have no harm, first to see its composition, cobalt chromium alloy porcelain teeth is generally not less than 25% chromium, molybdenum is not less than 4%, cobalt, nickel, chromium three combined not less than 85%. At present, there are many opinions about the quality of cobalt chromium alloy porcelain teeth.
Secondly: some people think that cobalt chromium alloy porcelain teeth are widely used because of their low price. More than 50% of the patients with porcelain teeth choose this kind of porcelain teeth. Biological fusion is good, beautiful, economical and durable. However, some people believe that the biocompatibility of this kind of porcelain teeth is poor, which is easy to cause allergy in some people, leading to inflammation of skin and mucous membrane. Finally: nickel metal is more active than other metals, so it has a higher probability of producing gingival black line, and has a slight toxic reaction. The cobalt chromium alloy is replaced by nickel metal by cobalt metal with more stable properties. Compared with the metal with more stable properties, the probability of gingival black line is much smaller, and the harm of cobalt chromium porcelain teeth is also much smaller.
Finally: nickel metal is more active than other metals, so it has a higher probability of producing gingival black line, and has a slight toxic reaction. The cobalt chromium alloy is replaced by nickel metal by cobalt metal with more stable properties. Compared with the metal with more stable properties, the probability of gingival black line is much smaller, and the harm of cobalt chromium porcelain teeth is also much smaller.
matters needing attention
Every need to do porcelain teeth restoration teeth patients, which kind of porcelain teeth is good, need to seriously consider, and to give the doctor oral examination results as the basis.