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Non Precious Dental Crown
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Product: Views:194Non Precious Dental Crown 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2019-03-06 02:46
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Product introduction:

1 The non-precious metal porcelain tooth is made of high temperature porcelain made of nickel-chromium alloy, and its price is relatively low.

2 This kind of porcelain tooth has the following disadvantage: the edge compactness is poor.

3 The biocompatibility with human body is poor, some beauty lovers wear it for a period of time, the gingival tissue at the neck margin will appear "black line".

4 There are even cases of allergic reaction caused by porcelain teeth in the world.

5 Due to the mismatch of thermal expansion coefficient between Ni-Cr alloy and porcelain, it is easy to disintegrate porcelain in clinic.


It is widely used in clinic because of its low price. At present, about 70% of nickel and 30% of chromium in china are nickel, the rest are ruthenium, tin, manganese and so on.


http://www.cosmosdentalchina.com/

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