What truths you don’t know about teeth whitening gel even you’re selling them? Are there any truths that your suppliers will never tell you?
We’re going to unveil 10 truths about teeth whitening gel to you.
Beware: this article is a little boring and long, but it worths it!
Read on and check refresh your knowledge base!
1. What’s the true working principle of teeth whitening gel pens?
There are two main types of effective ingredients in tooth whitening pens.
First, peroxides: including carbamide peroxide, also known as carbamide peroxide, or percarbamide (called CP in medicine), and hydrogen peroxide (called in medicine) HP).
Then, non-peroxides: sodium perborate, sodium chlorite and sodium percarbonate.
The whitening principles of these active ingredients are the same. Under normal oral environment, they will dissociate to produce oxygen-containing free radicals. Oxygen-containing free radicals can undergo oxidation-reduction or complexation reactions with pigment macromolecules, reducing organic pigments from a carbocyclic structure to hydrophilic non-pigmented small molecular structures. Small molecules gradually migrate outward and diffuse to the surface of the tooth, with saliva, or on the surface of the tooth. The teeth are separated from the teeth during the process of gargle and brushing to achieve the purpose of eliminating the pigment on the surface of the teeth.
Namely: CP/HP + pigment macromolecule = hydrophilic colorless small molecule
2. What’s different concentrations of gels?
Commonly used concentrations are 16%CP, 22%CP, 35%CP, 44%CP, 6%HP, 16%HP, 22%HP, 35%HP, these are peroxide whitening gels. CP refers to carbamide peroxide , HP refers to hydrogen peroxide gels.
The conversion relationship between CP and HP: The oxygen content of 1 unit of HP is equivalent to the oxygen content of 2.765 units of CP. For example, the oxygen content of 44% CP is equivalent to 16% HP.
From the perspective of the target market, different consumption habits in foreign countries use different concentrations. For example, the European Union has higher requirements for whitening gel.
The concentration of the whitening glue determines the speed of the effect, the high concentration, the quick effect; the low concentration, the slower the effect. However, the high concentration will have a certain irritation to the oral cavity. This irritation also varies from person to person. People have individual differences. Each person has different sensitivity to teeth and gums. It is best to use it with a gum protectant.
3. Does teeth whitening gel pen whiten all pigments?
The final effect of teeth whitening varies from person to person. First of all, the color of dentin is also individualized, just like some people have white skin and some people have black skin. Some people have white teeth, and some have yellow teeth. Teeth whitening targets the pigments on the teeth.
According to the difference in the deposition location and degree of tooth staining, it can be divided into five categories:
- Exogenous staining. The bacteria on the tooth surface secrete a variety of sticky substances. The pigment macromolecules in cola, strong tea, cigarettes or other heavily pigmented foods are adsorbed on these sticky substances, gradually turning the teeth yellow and black , The formation of tea stains, smoke stains, which is exogenous coloring. The mechanism of this kind of coloring is simple and it is easier to bleach. Most people can achieve a good whitening effect after 1-2 weeks of use.
- Age-increasing dentin staining, long-term affected by exogenous factors, pigment molecules begin to deposit from the enamel surface to the enamel cracks, and further, from the enamel cracks to the dentin tubules, which is aging Sexual dentin staining. At this time, the teeth look yellowish overall, not very uniform, and the roots of the teeth are yellower. This is the case for most women in their 30s and 40s. Age-related dentin staining is due to the deeper deposition of pigment molecules, and the whitening time is relatively long. It often takes 1-2 courses of treatment to see obvious results.
- Tetracycline teeth, endogenous pigmentation caused by taking tetracycline drugs such as tetracycline and oxytetracycline during tooth development is called tetracycline teeth. Tetracycline teeth are more common in people born in the 1970s. Tetracycline pigment is mainly deposited in the dentin of bones and teeth. The enamel is less deposited and has a light yellow fluorescence. Under the action of ultraviolet rays, it gradually changes from yellow to brownish yellow or brownish gray. The greater the amount of medicine, the more severe the discoloration. . Since the pigment of tetracycline teeth is from the inside out, whitening is more difficult. Whitening kits can improve mild tetracycline teeth, but moderate or severe tetracycline teeth (yellow-brown in color) should be recommended for porcelain.
- Dental fluorosis. If the drinking water contains too much fluoride, it may also cause dental fluorosis. In mild cases, the enamel is cloudy and opaque; in moderate cases, the tooth surface is yellow or brown with irregular-shaped plaques; in severe cases, in addition to changes in color, there are also tooth enamel defects. The pigment of dental fluorosis has been combined with the enamel, so the whitening effect is affected to a certain extent. The whitening kit can improve mild to moderate dental fluorosis, but it is recommended to use porcelain for severe dental fluorosis.
- If it is not that most of the teeth are discolored uniformly, but a single tooth is discolored, it is almost certain that the nerve of the tooth has been necrotic. There are many reasons for the discoloration of a single tooth, such as rotten teeth, dental trauma, and dental caries. It is recommended to go to a professional hospital for treatment to avoid complete tooth necrosis.
4. How teeth whitening trays work in teeth whitening gel?
The whitening tray itself does not have a whitening effect. The effective ingredient for the whitening effect is the gel in the whitening pen. The whitening tray is only used as a carrier for the whitening gel and can also prevent the whitening gel from being applied to the lips and affecting the appearance.
5. How long it will take to work when using teeth whitening gels?
Generally, exogenous coloring can be seen in 2-3 days, and a 14-day course of treatment can be significantly improved. For endogenous stained or mild tetracycline teeth, it takes more than 3 weeks to see obvious changes.
6. How white the teeth can become after using gels?
It can be guaranteed to improve the color of teeth, but the natural background color of each person’s teeth is different. Unless artificial dentures (such as porcelain or dental veneers) are made, it is impossible for real teeth to achieve the so-called “white and flawless” level. There is no product in the world that can whiten yellowish teeth into pearls. From the actual effect, most people can bleach 3-9 dental shades.
Because the surface of the tooth is covered with a layer of enamel, it is transparent or translucent, and its deep part is dentin, which is pale yellow. The color of the tooth is related to the degree of calcification of the enamel. The higher the degree of calcification, the more transparent the enamel, and the true color of the deep dentin makes the teeth light yellow; otherwise, the teeth will appear abnormal white or milky white.
Therefore, light yellow teeth indicate that your enamel has a high degree of calcification, which is a sign of health. On the contrary, because the teeth with poor development and calcification are mostly white, and the teeth with initial caries, chalky plaques are formed due to demineralization.
7. How long can the whitening last?
The normal state can be maintained for about 1 year. But this also varies from person to person, and has a certain relationship with the usual life habits. Minimize the consumption of dark vegetarian foods such as coffee, chocolate, and red wine to maintain longer. Use a course of teeth whitening products every year to keep your teeth white.
The teeth don’t turn yellow in a day. After the whitening is successful, you should usually take care of it.
Discover bad habits and correct them. After all, who doesn’t like to leave the most beautiful impression in front of the opposite sex? !
8. Is the whitening pen + whitening instrument set and the cold light (blue light) whitening of the clinic the same thing?
Yes.
Cold-light tooth whitening uses high-intensity blue light to catalyze CP/HP, which rapidly oxidizes and complexes with the pigment macromolecules through the essential tubules of the tooth, and returns the teeth to their undyed whiteness within 30 minutes. The biggest advantage of this whitening technology is that it is fast, as long as 30 minutes, but the charge is more expensive, generally ranging from 1,500 RMB to 3,000 RMB, and there are other miscellaneous inspection fees.
That is to say: the combination of whitening pen + whitening instrument can achieve the effect of cold light whitening in dental hospitals. Moreover, it is easy to carry, and the price is low. It is a real civilian price. The people boldly say NO to the high fees of the hospital! The principle is the same! Some hospitals, under the banner of imported technology from the United States, do not need cold light (blue light) for whitening. In fact, they use high concentrations of CP (carbamide peroxide) or HP (hydrogen peroxide). The normal CP concentration of 22% is suitable. If you use 35% or higher concentration of CP gel, the effect is very good, but side effects such as toothache and tooth sensitivity will occur.
9. Is ultrasonic tooth cleaning and whitening pen the same thing?
It’s not the same thing. Teeth cleaning is a physical method that uses ultrasonic vibration to shake down calculus and tartar, which will damage the teeth to a certain extent, but it cannot remove the pigment deposited in the teeth.
The whitening pen uses the principle of oxidation and complexation of active factors to penetrate into the enamel and dentin tubules to replace and transfer pigment molecules to achieve the effect of whitening teeth.
10. Are there any side effects of the whitening pen?
Under normal circumstances, tooth whitening pens below 22% CP have no side effects on teeth and gums. However, when using a whitening pen that exceeds this concentration, some users may experience a burning sensation, tingling sensation, and symptoms such as soft teeth after use.
If these symptoms occur, please stop using them. These symptoms will disappear automatically after stopping. It is recommended to use high-concentration tooth whitening gel, please use it with gum protector and desensitizing gel.
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