Many people have problems with their teeth, and some people will choose porcelain teeth. However, some people's teeth turn black after a period of time. This has a lot to do with the materials used for porcelain teeth, gingivitis, and unscientific care in daily life. 1. Poor light transmittance of the material causes blackening The inner crown of porcelain teeth is usually made of metal material, but the inner metal material is not light-transmissive, and external light cannot reach the root of the tooth like natural teeth, so the gums will appear darker than the teeth. Countermeasures: Porcelain teeth made of metal materials often find it difficult to overcome this phenomenon. The blackening of the gums caused by this reason does not greatly affect the appearance and is only vaguely visible, so no measures are needed. 2. The chemical properties of the material are unstable, causing blackening. The internal metal material is chemically unstable and easily oxidized. Metal ions are precipitated and deposited on the gums and root tissues near the porcelain teeth, causing the gums to turn black. Countermeasures: 1. The use of metal materials that are not easily oxidized, such as gold alloy, cobalt-chromium alloy, palladium-gold alloy and other precious metal materials, can greatly reduce the probability of this risk. 2. If your gums have turned black, you should pay attention to oral hygiene, brush your teeth every day, and rinse your mouth after meals. If you cannot remove the black matter, you should go to the hospital for diagnosis and treatment. 3. The porcelain crown does not fit the teeth closely, causing them to turn black. The porcelain crown does not fit the teeth closely, and there is a gap between the gums and the tooth roots, so food or impurities can easily accumulate inside and breed a large number of bacteria. The porcelain crown cannot clean itself, so the gums are black. Countermeasures: This is the consequence of improper surgical operation. If this problem is not solved, it is likely to cause gingivitis, so you must go to the gingivitis clinic for professional treatment. 4. Gum inflammation or allergy causes darkening Porcelain teeth are not made with enough precision and accuracy. If the edge of the crown is too thin, too thick, rough or has gaps, it will irritate the gums or cause gum allergies, leading to gingivitis, redness, darkening, and black appearance. Countermeasures: Gum inflammation is a normal reaction in the early stages and you can take anti-inflammatory drugs as required by your doctor. If gum allergy or inflammation is caused by other reasons, you need to see a doctor. If the situation is serious, you may need to remove the porcelain tooth and replace it with a new one. |
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