Why do my teeth still look yellow after brushing my teeth for a long time?

Why do my teeth still look yellow after brushing my teeth for a long time? The teeth of normal adults are mostly shiny and yellowish in the absence of lesions. The reason for this is that the surface of a well-developed tooth is slightly transparent enamel, while the inner layer of dentin is yellowish in color.

It can also be caused by tooth staining. Of course, there are several other reasons as well:

1. The brushing time is too short, each brushing time is less than three minutes, or the brushing posture is incorrect, and the teeth cannot be cleaned well.

2. After brushing your teeth, you eat again and do not rinse your mouth in time, resulting in food residues remaining in the mouth to form dental calculus.

3. Pigmentation caused by frequent consumption of dark-colored foods, such as coffee, cola, curry, strong tea, etc.

4. Have the habit of smoking for a long time.

Causes of yellowing of teeth include dental fluorosis, tetracycline teeth, dietary factors, and poor oral hygiene.

1.Dental fluorosis: Dental fluorosis, also known as plaque glaze, is related to high fluoride content in drinking water.

It seriously affects the health and aesthetics, and causes psychological burden and harm to patients. Fluoride itself has a dual effect on teeth. The fluoride content in drinking water is too high to produce dental fluorosis, which is the yellow tooth produced, brushing teeth is not other to fall off, too low to form dental caries, when the fluoride content of drinking water is 1ppm, it has both anti-caries effect and does not cause the formation of dental fluorosis.

2.Tetracycline teeth: Mostly due to the mineralization period of tooth development, taking tetracycline drugs to stain the teeth, which can be combined with enamel hypoplasia. The degree of coloration is related to the type of drug, the dosage and the number of doses, and the anterior teeth are more obvious than the posterior teeth.

3.Pigments in the diet: People who drink tea, smoke or chew betel nut for a long time have colored tooth surfaces, especially the tongue, which cannot be removed by brushing. The pits and grooves and rough surfaces of the teeth are also prone to coloring.

4.Poor oral hygiene: foreign pigments first settle in the mucous membranes and plaque on the tooth surface.

In patients with poor oral hygiene, plaque retention is prone to pigmentation, such as near the gingival margin and adjacent surfaces. As the plaque underneath the tooth surface is demineralized, the pigment can also penetrate into the tooth tissue.

In addition to the reasons for appeal, there are other causes that can cause yellowing of teeth, and patients should go to the dentist for examination in time and take the most appropriate treatment.

1. Tooth dysplasia: teeth are composed of calcium, when various reasons cause tooth dysplasia, it will lead to insufficient mineralization of teeth, or the speed of tooth aging will be accelerated, which will also cause the enamel outside the teeth to disappear, revealing the color of the inner layer, and the teeth will become very yellow, which can not be corrected no matter how you brush your teeth.

2. Wrong way of brushing teeth: Although many people insist on brushing their teeth after breakfast and dinner, they do not master the correct way of brushing, so that most of the tooth surface is not brushed, resulting in the formation of dental calculus and making the teeth very yellow. The correct way to brush your teeth is to use a horizontal fluttering brush, and the brushing time must be at least 2 minutes to ensure that every side of the tooth is brushed.

3. Like to eat brightly colored food: Tooth pigmentation can also cause teeth to become very yellow, and the brighter the food, the more pigment it contains. Although people remove these pigments by brushing their teeth, there is always residual pigment.

Eating these foods for a long time, slowly accumulating over time, will find that your teeth are getting more and more yellow.

Brush your teeth every day, and your teeth are still yellow, probably for the following reasons:

1. The outermost layer of the crown of the tooth is enamel, and the inner layer is dentin, and the color of dentin is yellow. As we age, the enamel will gradually wear away, revealing the dentin, so this yellow brushing cannot be eliminated.

2. There is dental calculus accumulated on the tooth surface, most of which is yellow, and it is impossible to remove calculus by brushing teeth, so it is necessary to go to the stomatology department of the hospital for cleaning surgery to remove calculus.

3. There are some hard tissue diseases of the tooth, such as enamel hypoplasia, tetracycline teeth, and dental fluorosis, which will make the teeth yellow or dark yellow. There is no way to change the brushing of teeth, and it needs to be bleached, porcelain veneers, etc.

Malnutrition, infectious diseases, high fever, serious illness and other causes will cause the teeth to turn yellow, especially after it is calcified, which will cause this situation, and the teeth will become more fragile, in this case, the enamel teeth will lose their luster, opaque, yellow-brown, and the weight of the person will make the surface of the teeth smooth. The appearance of the teeth is incomplete, and the sides are not symmetrical, especially the nutritional disorder, which seriously affects the health of the teeth, resulting in poor calcification, reflecting the impact on the health of the teeth in the past, and the acquired calcium, vitamin D is meaningless.

Teeth are also an important part of bones! When calcium is lost from the body, the hardness of the teeth is greatly reduced and the absorption of food is stronger, resulting in pigmentation and yellowing of the teeth. Therefore, it is recommended that you take calcium tablets and vitamin D regularly to help your body synthesize high-quality calcium.

Drink mineral water.

On the one hand, fluoride can increase the enamel and make the enamel stronger, and on the other hand, it can gradually turn the teeth yellow.

If your teeth are still yellow after brushing your teeth every day, consider the following three reasons. Clause.

First, the color of the tooth itself. The teeth are in the mineralization stage, and if the mineralization is better, the color of the erupted teeth will be whiter and have some transparency. If the mineralization is not good, the tooth transparency will be poor, and the color will be yellowish.

Clause. Second, the change of tooth aging, with the increase of age, the inner layer of dentin will appear restorative dentin, and with the wear of tooth enamel, the color of dentin is exposed more and more, and the color becomes more and more yellow as you get older.

Clause. 3. Some calculus or smoke spots, pigmentation, etc. are attached to the surface of the teeth, which can be removed by scaling and paying attention to oral hygiene.

Although I don't know the specifics of dentistry, I have also looked up some dental information because my own teeth are not good.

I have a colleague whose teeth are very yellow, and they are brown and brown in that brown color. He smokes, and I think that's the main reason. Another colleague who doesn't smoke but has yellow teeth, which may be related to plaque or tartar.

In addition, the way you brush your teeth and the toothpaste you use can also affect the finish of your teeth. So be sure to brush your teeth correctly, especially the front teeth up and down several times, not too hard, and not too lightly. Tooth brushing is usually done twice a day for 2 to 3 minutes each time.

It is not necessary to use expensive toothpaste, but it is important to use a regular brand of toothpaste. A box of Chinese toothpaste is five yuan and can be used for several months.

If it is still difficult to brush your teeth, it is best to go to a professional dental clinic for a check-up and try to clean your teeth.

There are many causes of tooth staining and yellowing, which can be broadly divided into two aspects, namely endogenous and exogenous.

Exogenous staining is due to the presence of a variety of bacteria on the surface of the teeth, which secrete many sticky substances, tea scales, cigarette stains and certain minerals in drinking water in the daily diet adsorb on these sticky substances, and gradually make the teeth yellow or black. Endogenous staining is formed during tooth development, if tetracycline is deposited in the dentin, it will make the tooth yellow, brown or dark gray, called tetracycline tooth; If there is too much fluoride in the drinking water, it can also lead to dental fluorosis, which can be a white-chalk-colored, tan-colored patch, and can also darken the tooth if the necrosis of the tooth is combined with bacterial breakdown products.

For exogenously stained teeth, coffee, tea, smoking, red wine are the culprits. According to statistics, 15% to 25% of smokers in China, including female smokers, means that 2300 million people in China have yellow and black teeth. The effects of coffee, wine and tea on teeth are also not negligible.

Dental caries. Chronic progressive disease caused by bacterial infection, in the early stage of the disease, due to the corrosive action of bacteria, will form dark yellow patches on the surface of the teeth, resulting in local yellowing of the teeth. Tooth decay tends to accumulate in one or two adjacent teeth.

Dental trauma. Due to the action of external force, obvious cracks appear on the surface of the teeth, and pigmentation is easy to occur in the cracks, causing yellowing of the teeth, and pigmentation is generally distributed along the cracks.

Periodontitis. Because periodontitis is not received in time**, there is a large amount of dark yellow calculus in the periodontal pocket.

Accumulation, at this time not only will the teeth turn yellow, but the patient will have significant bad breath.

Other diseases.

diseases of the hematopoietic system, such as porphyria; Liver disease, such as hyperbilirubin with liver dysfunction; Severe nutritional disorders or maternal and infant diseases, such as vitamin deficiencies; Enamel hypoplasia, hereditary dentin disorders, infantile hyperbilirubinemia.

Pharmacological factors. Adverse effects.

Tetracycline. and other catalytic dehalogenation biosynthetic antibiotics, which are easy to be deposited on the developing teeth after taking them, and cause permanent yellowing of the teeth under the exposure of sunlight.

Between the ages of six months and three years, when the germ of permanent teeth develops, taking drugs has the greatest impact on the teeth and may even cause enamel hypoplasia.

Environmental factors. Drinking water source.

Fluorosis is caused by high levels of fluoride in drinking water sources.

**, the main manifestation of dental fluorosis.

It is the formation of yellow plaque on the surface of the tooth, and in severe cases, there may be defects in the tooth shape.

If the patient lives in an area with high fluoride content in drinking water for a long time until the age of 6 or 7 years, it will lead to the involvement of erupting permanent teeth. On the other hand, if you move into a high-fluoride area after the age of 7, you will not have dental fluorosis.

Lifestyle. Oral hygiene habits.

Excessive plaque build-up and not being cleaned up in time is the main cause of yellowing of teeth.

Patients with alkaline saliva often have a large amount of dental calculus attached to the surface of the teeth, making the teeth yellow and affecting the aesthetics.

In patients with acidic saliva, plaque build-up can lead to erosion of the tooth surface, which can cause tooth discoloration and yellowing in the early stages.

Let's take a look at the possible causes of your teeth turning yellow.

Smoke-stained teeth. Smoking can make your teeth yellow because smoke contains tar, nicotine, and other chemicals. These substances can penetrate the pores of tooth enamel and destroy the natural color of the tooth enamel.

Twenty-eight percent of smokers have moderate to severe tooth discoloration, compared to 15 percent of non-smokers. Smokers are often not very satisfied with the condition of their teeth. E-cigarettes may not discolor teeth to the same degree, but they still contain nicotine, which turns yellow when it mixes with oxygen.

There are other oral health problems related to smoking. For example, nicotine can cause gum recession, leading to gingivitis and periodontitis.

Oral hygiene. If you notice something yellow on your teeth, it could be plaque or scale. Plaque forms when bacteria from food and drinks are not removed from your teeth.

Over time, the plaque hardens to form tartar, which can only be removed by scaling.

If you don't brush your teeth regularly or not thoroughly enough, this yellow paint can form on or around your teeth. Not only does it look terrible, but it can also cause bad breath and other oral health complications.

Coffee-stained teeth.

Tea-stained teeth. Red wine-stained teeth.

Curry stains. Tomato sauce stains.

Soy sauce stains. Aged vinegar stains.

Chocolate stains. There are a few other foods and drinks that, while not causing staining on their own, contain acids that can erode your tooth enamel. This will reduce the "whiteness" of your teeth and also make them more susceptible to staining.

Carbonated drinks (brightly colored drinks can also cause stains).

Citrus fruits and juices.

Sports drinks. Sugary foods.

Artificial sweeteners.

White wine and many other alcoholic beverages.

Rinsing your mouth with water after eating these foods can help reduce the damage to your mouth caused by acids.

Yellowing of the teeth due to aging.

Genetic relationships. Genetic variation affects the color of your teeth and the porosity of your enamel – the more porous your enamel, the easier it is to stain.

Medications or diseases.

Some antibiotics, such as amoxicillin and tetracycline, can cause tooth discoloration, especially in young children.

Certain diseases, especially those that affect the liver, can cause tooth discoloration. Cancer patients who have had chemical** or radiation** may also find their teeth tan.

For any external factors on your teeth that cause yellowing, it is recommended that you see a dentist for thorough cleaning and polishing. As for internal factors, it can be dealt with by your dentist with a number of different whitening methods.

Why do my teeth still look yellow after brushing my teeth for a long time?

In fact, you must first understand that normal teeth are pale yellow and not white. If your teeth are of the particularly yellow type, it may be because the teeth have periodontitis, or tetracycline teeth.

Teeth can also get sick.

Under normal circumstances, diseased teeth will become particularly yellow, not because you don't have teeth.

Sick teeth.

Of course, if you don't brush your teeth for a long time, your teeth will turn yellow. But if you brush your teeth for a long time and your teeth are still very yellow, then it should be that your teeth are sick, and I recommend that you go to the doctor.