3D printing technology can now also be used for dentures. The traditional method from the impression of the metal inner layer to the completion of ceramic dentures takes 5 to 10 days. During the process, anesthetic must be used to relieve pain. Now 3D printing technology, through the inner view The whole image of the tooth scanned by the microscope can make a tooth in 8 minutes. Although the 3D denture has a high degree of adhesion and convenience, the current technology can only be used as a fixed tooth in the front row.
Spray on the teeth to prevent reflection agent, endoscope shot after the front, 180 degrees from the outside to the inside, complete photographed the whole row of teeth appearance. It can be seen that the image is already present on the computer.
This step is very important. The computer records the images. The 3D printing technology can produce an almost identical tooth in just 8 minutes. This front row of 5 teeth is equipped with a porcelain crown bracket, and the light impression is completed to complete the ceramic teeth. It takes 5 to 10 days, a price ranging from several thousand to 15,000. However, the degree of adhesion is poor. If it is not installed, it will be easy to continue tooth decay or inflammation, and the rapid formation of 3D dentures is expensive, but the error is small, and the degree of closeness is small. it is good. Liu Daijie, director of the Hospital Dentist: The patient with a relatively small mouth and hopes to irradiate the back teeth, it is difficult to put the lens of this camera into it.
Therefore, it is only suitable for the front row of teeth, making dental caries difficult to photograph, difficult to achieve exactly the same, and can not use ceramic and metal materials together, and there is no way to make movable dentures, 3D printing technology makes medical breakthroughs, but still not yet Overcome technical problems, and the price is not cheap, have to cooperate with root canal treatment and tooth nail strengthening structure, and other follow-up treatment can have a good tooth.
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The crushed material is separated by the grading wheel, and the coarse powder flows into the crushing chamber to be ground again, and the purified gas is discharged by the induced draft fan.
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