What is a tooth whitening patch?
Whitening patch, also known as ceramic patch, is a restoration method of sticking ceramic patch to decorate teeth. Grinding a thin layer of tooth surface, making all-ceramic chips, and fixing them on the ground teeth with special adhesive, which can quickly improve the appearance of teeth and can be completed in a few days. Tooth whitening is especially beneficial to the preservation of vital pulp when young permanent teeth and teeth with large pulp cavities are restored.
There are several types of tooth whitening patches.
1, tooth veneer hard veneer. This kind of veneer is to grind off a layer of the lip surface of the tooth evenly, make a dental mold, and then process it with a special resin-containing porcelain material for dentistry and stick it on the tooth. Hard veneer has the advantages of high hardness, wear resistance, beautiful appearance, good finish, no discoloration and long service life. And the price is moderate, which is an ideal choice for veneer restoration.
2. Porcelain veneer is also a kind of tooth veneer. This kind of restoration method is to grind off a layer on the lip surface of the tooth evenly, make a dental model, and then use a special dental porcelain material to burn it under vacuum pressure and stick it on the tooth. Advantages of porcelain veneer: it can reshape the shape and color of teeth and accurately control the color index of teeth. Porcelain veneer has strong light transmission, so it has a good cosmetic effect, looks very natural, can achieve almost perfect effect, and has similar wear resistance to teeth; Among the porcelain restoration techniques that can achieve natural beauty, there are the least molars, and the well-made porcelain patch has little irritation to gums, stable color and good biocompatibility. Porcelain veneers have high requirements for doctors, relatively many surgical steps and relatively expensive prices.
3. There is also nano resin veneer. This kind of veneer is to cement polymer composite resin on the ground tooth surface and carefully carve it into an ideal tooth shape. Because nano resin has natural tooth color, it can effectively cover the tooth color of discolored teeth and obtain beautiful tooth color. The quality of nano-resin is easy to shape, and the ideal tooth shape can be achieved through repeated carving by dentists. Nano-resin veneer has short operation time and can be completed at one time.
Matters needing attention in tooth whitening patch
1. Toothpaste can cause tooth allergy or infection.
Dental experts said that in foreign countries, tooth paste is generally only used as a temporary dental cosmetic, just like lipstick, which is usually used before a banquet. He expressed concern about the popular tooth whitening trend in China: "We all know that white teeth are not equal to healthy teeth."
2, special people should not be used
Toothpaste cannot be used to whiten teeth after oral ulcer, gum rupture and oral surgery. Gingival sensitive person can be used under the guidance of a doctor.
3. keep your hands clean
Wash your hands before pasting to prevent whitening toothpaste from being contaminated by bacteria.
4. Don't brush your teeth before pasting.
You can't brush your teeth before pasting, and there is no protective film on the tooth surface after brushing. Peroxide, the main whitening component, has strong oxidation and may damage enamel.
The main principle of tooth whitening paste
The main principle of whitening paste is to discolor teeth and lighten the color of yellow teeth and black teeth. However, the decolorant will stimulate the nerves and blood vessels at the gingival margin, which may easily lead to allergies, such as sourness, fear of cold and even infection. If used frequently, it will destroy the enamel structure, make the tooth surface rough, and in severe cases, dentin hypersensitivity will occur. Tooth mask is not suitable for everyone. For example, patients with severe periodontal disease must be cured before whitening. In addition, the teeth of teenagers and pregnant women are sensitive and easy to cause discomfort, which is not recommended.