Traditional Culture Encyclopedia - Traditional festivals - Brief introduction of four common shortcomings of porcelain teeth
Brief introduction of four common shortcomings of porcelain teeth
2, conjoined porcelain teeth are easy to cause secondary dental diseases. First, when the conjoined porcelain teeth are chewed, the stress is uneven, and it is easier to loosen, which gives bacteria an opportunity; When making porcelain teeth, the doctor wears the teeth too much, which leads to the porcelain crown being too close to the pulp, which is easy to induce infection. Therefore, porcelain teeth are still suitable for making alone.
3, porcelain teeth are easy to cause gingival atrophy The correct way to porcelain teeth should be to hide the gaps in the wandering gums, if the doctor grinds the teeth deeply. The fibers at the junction of gums and teeth are damaged. Then the porcelain tooth is placed in the middle, and no fiber connection can be established between the gum and the porcelain tooth. Soon, this part of the gums without tooth support will become shorter and return to the appropriate width of floating gums. The performance in the patient's mouth is that the gums have shrunk.
4. Non-precious metal porcelain teeth made of porcelain teeth materials are made of high-temperature porcelain outside the metal inner crown made of nickel-chromium alloy. Because of its relatively low price, it is widely used in China at present. However, this porcelain tooth has the following disadvantages: poor edge tightness; It has poor biocompatibility with human body. After some patients wear it for a period of time, there will be "black lines" in the gingival tissue around the neck. In addition, there are even medical reports abroad that this kind of porcelain teeth can cause allergic reactions, so it is easy to appear porcelain collapse in clinic.
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