Many people find that their teeth turn yellow, and they become less confident when they smile. So what can I do to have bright white teeth and a confident smile again? Come and have a look with me!

1, cold light whitening

One-off, no * * *, no side effects, cold light tooth whitening technology is the most popular tooth whitening technology in Europe and America. This technology can whiten teeth in 30 minutes by using special cold light irradiation, and the effect can last for more than 2 years. It is suitable for drug-induced discolored teeth caused by exogenous pigment teeth, moderate and mild tetracycline teeth, dental fluorosis, tobacco stains and tea stains.

2. Laser bleaching

Ion laser activates the catalyst at a specific wavelength, so that bleaching drugs penetrate into the deep layer of teeth and teeth are bleached from the inside out. Its characteristics are rapid, repeatable and basically painless. If the indications are properly selected, the effect can last for more than 10 years. Suitable for moderate and mild tetracycline teeth, dental fluorosis, black and yellow teeth, etc.

3, photocuring coverage

Using photosensitive curing technology to cover the surface of teeth with porcelain resin is safe and painless, with color selection, repair and redo, which can be completed at one time and maintained stably for more than ten years. It is suitable for patients with severe tetracycline teeth, dental fluorosis, black and yellow teeth and tooth discoloration caused by various enamel dysplasia.

4, porcelain whitening

This is a method of applying porcelain-fused-to-metal technology to whitening front teeth. Its characteristic is that the shape, color, arrangement and hardness of teeth are natural and perfect, which provides a reliable guarantee for some people who have special requirements for teeth.

5. Drug washing method

It is mainly suitable for teeth yellowing caused by mild pigment teeth, hypoplasia of enamel and changes of enamel with age. The effect on tetracycline teeth and yellow teeth with heavy colors is poor, because only the surface layer turns white and is not durable. At present, there are hydrogen peroxide decoloration and comprehensive decoloration. Generally, the price of such products abroad is about half as expensive as that at home.

Food for whitening teeth

Water: Drinking proper amount of water can keep gums moist and secrete saliva. Drink water after eating, and take away the food residue in the residual mouth, so as not to let the bacteria get nutrition, take the opportunity to make trouble and damage the teeth.

Peppermint: Peppermint leaves contain monoterpenoids, which can reach the lungs through blood circulation and feel fresh when breathing.

Sugar-free chewing gum: it can increase saliva secretion, neutralize the acidity in the mouth and further prevent tooth decay.

Cheese: calcium and phosphate can balance the pH value in the mouth and prevent the mouth from being in an acidic environment conducive to bacterial activities, leading to tooth decay; Regular consumption of calcium-containing foods can increase the calcium content on the surface of teeth, help strengthen and rebuild enamel, and make teeth stronger.

Guava/banana: tropical fruit * * * Fruit food * * * contains high-dimensional C to maintain gum health. If it is seriously lacking, the gums will become fragile and prone to illness, resulting in symptoms such as swollen gums, bleeding, loose teeth or falling off.

Celery: Crude fiber is like a broom, which sweeps away some food residue from teeth. In addition, the more you chew, the more you can secrete saliva, balance the pH in the mouth, and achieve the natural antibacterial effect.

Green tea: green tea contains a lot of fluoride combined with apatite in teeth, which has the effect of acid resistance and tooth decay prevention; Catechin can reduce the number of Streptococcus mutans causing tooth decay, and at the same time can remove bad breath.

Onion: The sulfur-containing compounds in onion are powerful antibacterial ingredients, which can kill Streptococcus mutans, including those bacteria that cause tooth decay.

Lentinus edodes * * * Lentinus edodes food * * *: Lentinus edodes contains lentinan which can inhibit bacteria in the oral cavity from producing dental plaque.

Mustard: It contains isothiocyanate, which can inhibit the reproduction of Streptococcus mutans, which causes tooth decay.