About than the color of the porcelain teeth

Porcelain teeth color is not allowed to issue oral clinicians encounter one of the higher rework. Porcelain teeth color accuracy is to determine ceramic dental restoration is an important step. Conducting than the color should note the following:

1. Light problems, compare indoor lighting and outdoor natural light, the contrast between the two color effects is very different. Should normally choose natural light than the color.

2. A matter of time, usually accurate colorimetric time should be selected in the sunny weather, usually nine o'clock to eleven o'clock, and the most ideal. If you choose than color, you should choose one o'clock to four o'clock in the afternoon.

3. The choice of background in the indoor color, usually selected room wall color is dental equipment gray is better. Colorful, easy to produce the phenomenon of metamerism, affecting more than the effect of color.

4. Difficult to avoid the problem of clinical dentists ------- phenomenon than the color on metal porcelain teeth. Metal porcelain teeth, there is a metal substrate, so I chose the color of porcelain powder and production of metal porcelain teeth color is still there is a certain error. At present, our dentist’s use swatches are generally pure resin manufacturing, metal chassis, as reflected by the color can not represent the actual color of the metal porcelain teeth. This issue needs to be updated technology to solve.

5. It should be noted that patients with the gums of the chroma color at the same time, if the patients with gingival color is reddish, teeth color should be What are the performance characteristics of dentition selected a little white, if subdued, tooth color should be chosen slightly darker. Many hospitals in the application of "imitation gums shade guide. Its effect is more accurate.

6. Line of sight and vision problems: general close to the reference tooth shade guide the more the better. Visual fatigue phenomenon, usually selected first impression is the most accurate, if you repeatedly change color, repeated observation, the results of eyes look at flowers, more and more unlike.