Some people are born with teeth teeth yellow than others.Other people’s teeth become yellow with age.You are born with teeth color will also be influenced by many factors.Stain on the surface of the tooth (dentist called external shading) and tooth discoloration is caused by the following reasons：
1.Tobacco (whether smoking or chewing tobacco)
2.Drinking coffee, tea or wine
3.Eat food color is very heavy, such as cherry and cranberry
4.Dental plaque deposits formed by dental plaque hardening
Internal stain (dentist called color) can be caused by the following reasons:
1.In the process of tooth form using antibacterial tetracycline for treatment
2.As the growth of the age, the teeth yellow or gray
3.Dental trauma, this trauma may cause tooth nerve death, so that the teeth become brown, gray, or black
4.In tooth formation period (from birth to 16) intake of excess fluoride, this makes the teeth seems to be the “spot”
What method can whiten teeth?
By a dentist or physician health thorough cleaning, so that we can remove most of the external stains caused by food and tobacco.In addition to the regular dental, use whitening toothpaste also helps to remove the surface stains.If besmirch has existed for many years, you may need to professional teeth whitening, in order to remove these more stubborn external stain.
Bleaching, stick a face can be performed to the internal stain and braces (crowns sets).Although any one of these methods are safe and effective, but your dentist will according to the state of your teeth and you want to achieve the effect to recommend a most suitable for your method.Your dentist will consider the following factors:
1.The degree of stain and species
2.How much is left tooth structure (fill teeth? Do you need or want to change the shape of the teeth?)
What is the principle of teeth whitening?
You can use your dental doctors to prescribe medicines at the dentist’s office or at home whitening teeth (bleach).Both ways to use whitening gel, tooth bleaching gel to oxidation stain.In the process of for teeth whitening, teeth become slightly sensitive is normal.
Whitening teeth that occupy the home
Now, whitening teeth that occupy the home is an increasingly popular method.Your dentist do an impression for your teeth, for you to customize a plates.You can load the whitening gel in braces, or wear at night two hours a day, about two weeks straight.Now, by the dentist many whitening kit contains a concentration of ten percent to 15 carbamide peroxide solution.If under the guidance of the dentist, the teeth whitening that occupy the home is very effective.
Whitening teeth in dental clinic
This process will not be too complicated, the cost will not very high, only 30 minutes to an hour at a time, you may have to be repeated several times, so as to achieve the desired whitening effect.In order to protect your mouth, can to your gums daub a gelatinous material, and the tooth neck placed around a plastic “shield”.Then, to your teeth daub is an antioxidant (bleaching solution).
Sometimes need to be in the interval of five minutes using a special kind of light, to help activate the whitening agent.