There are 4 common causes of rhubarb teeth. 1. Water quality factors in some areas, due to the high fluoride content in water, excessive drinking of fluoride teeth will turn yellow, and not only one or two teeth, but a mouth full of rhubarb teeth.
Some people do not pay attention to oral hygiene, do not have the habit of brushing their teeth in the morning and evening, the surface of the teeth accumulate a layer of food residue, soft scale, calculus, smoke stains, tea stains, etc.
These “yellow teeth” are not yellow teeth themselves, but are caused by poor oral hygiene.
Three, health factors teeth in the process of development due to poor nutrition or disease, will make the teeth of the calcification is affected, the teeth will be yellow and brittle.
Most people now know that tetracycline drugs can lead to yellow teeth, especially in children (before the age of 5).
Teeth whitening recommend bleached bleaching general divided into bleaching and these methods intracoronal bleaching, bleaching, mainly from tooth surface outside with drugs make demineralization of tooth surface, take off the choice of mineral accumulation, show the essence of the teeth, chalky, drugs are generally used in strong oxidizer, high concentration of hydrogen peroxide d | learn education online collection.
External bleaching and ordinary tooth cleaning are two concepts, tooth cleaning is just to remove the dirty things on the surface of the teeth, but white teeth are not necessarily healthy, because the teeth will not calcify well and will appear white, only through external bleaching demineralization can return the true appearance of the teeth.
Cleaning is cleaning the second whitening method, which USES ultrasonic whitening, soft dirt on the surface of the pigment wash teeth and dental calculus, usually due to external causes, such as smoking and drinking tea by ultrasonic frequency vibration soon achieve the whitening effect, can maintain time is roughly six months to a year, if care is not good or periodontal disease patients, to wash once three months.
Laser laser whitening whitening is the use of relatively high concentrations of bleach (such as hydrogen peroxide), tie-in appropriate laser doses, such as a Nd: YAG laser, catalytic peroxide, and accelerate the effect of peroxide bleaching, and selective role in pigment particles deposit on the teeth, the tooth bleaching to hydrophilic organic pigment by carbon ring structure within the structure without pigment;
In the tooth structure of those absorbing molecules break into small molecules, so as not to absorb light, and achieve safe whitening effect.
At the same time, the appropriate dose of laser irradiation can seal the dentin tubules, reduce the permeability of dentin, and reduce the dentin sensitivity symptoms in the process of bleaching.
Porcelain restorations, also known as porcelain crowns, are permanent restorations that can last at least ten years or more if properly made.
Is the main principle of metal and porcelain mixed use, it is metal, porcelain is outside, not easy fracture, is wear on the teeth “cap”, there is no major side effects for people’s health, according to the properties of metal has the different effect on the human body, precious metals and the compatibility of the human body is better, relatively less irritating to the human body.
Veneer veneer can be divided into ordinary resin veneer and porcelain veneer.
The common resin veneer is to paste resin on the tooth surface after grinding off part of the tooth to keep the shape of the tooth as before.
Porcelain veneer integrates the advantages of porcelain veneer and common resin veneer. It can replace porcelain veneer in the aspect of aesthetics, and is an aristocratic means to improve yellow teeth. It needs to make porcelain veneer according to the model, and then fixed on the tooth surface with adhesive technique, which looks realistic and beautiful.
