藻酸鹽復制材料Alginate Impression Material

  出口international trade     |      2022-10-13 14:36

1. Alginate impression materials. It is powder material mixed and then solidified. The advantages are cheap and easy to operate. The disadvantages are also obvious. The shrinkage is relatively large, and it can not accurately reflect the state of the teeth. For the production of fixed dentures, such as inlays, porcelain crowns, cast porcelain crowns, precision attachments and other technologies, it cannot be used to take part of the impression of dentures.


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2. Agar impression materials. The widely used trade name is also called "cold weather wood", which is relatively cheap and can be used for fixed repair. The disadvantage is that it is easy to break and brittle.


3. Silicone rubber impression materials. With high accuracy, it can be used for making various restorations. It has become more and more popular in China in recent years, but there are still few hospitals and clinics in use. It is divided into three categories:


a: Polycondensation silicone rubber. In the silicone rubber impression materials, the lowest precision was collected and sorted by the medical education network;


b: Add clustering silicone rubber. One of the most precise materials. Very stable, is one of the preferred impression materials, high price; c: Polyether rubber. It is one of the materials with the highest precision, good fluidity and high price.