What makes our teeth yellow?
When I was small we may feel that they are very white teeth, then why would it more and more yellow? In fact, we can see the color of teeth is not only the surface of the tooth color, but also through the surface of the tooth enamel surface Dentin of color. Yellow teeth, coloring a variety of reasons, mainly divided into endogenous and exogenous.
Exogenous: the existence of a variety of bacteria on the surface of teeth, which takes place every day in many sticky secretion of substances, and the day-to-day diet, such as tea, coffee drinking, smoking, and so we will be left on the teeth of the pigment, the pigment in the absorption of bacteria secrete The viscous material, and gradually make the surface of the teeth yellow or black. Over time, these substances from the tooth surface will progressive intrusion of internal teeth, the formation of internal stains, so that the teeth also gradually change color.
Endogenous: tooth color in the development of the coloring process, in addition to genetic factors, the most common but often neglected because of age caused by the yellow teeth.
字串6 There are many Huang Ya is sick, usually due to:
1. For health reasons: the teeth during development because of poor nutrition or illness, will be affected by calcification of the teeth, teeth become yellow and crisp.
2. The problem of water quality: in some areas, especially mountainous areas, the amount of fluoride in the water, too much fluoride in drinking water of these teeth will be yellow, but Huangya big mouthful. However, the role of dental caries have fluoride, so these people it is not easy for Health and dental caries.
3. Drug factors: most people now know that the tetracycline class of drugs can lead to Huang Ya, particularly for children (under 5 years ago) to take a greater impact.
4. Hygiene: Some people pay attention to oral hygiene, no sooner or later the habit of brushing teeth on the surface layer of the accumulation of food debris, debris, calculus, tobacco stains, such as tea stains. "Huang Ya" or "black teeth" not pay attention to oral hygiene is the result of evil.
字串4 Teeth whitening prescription
Teeth whitening, in essence, is to remove tooth enamel and the stain on the enamel and pigments. There are many ways of teeth whitening, according to the tooth color depth, as well as the formation of the reasons for choosing the right way, can be best for their teeth extra points.
1, porcelain teeth
The United States and teeth: dental porcelain - unaware of the natural teeth simulation. The dental defect, a better way to repair cosmetic dental porcelain, which is currently the best adaptation, the effect of the color closest to the natural color of dental prosthesis. Porcelain teeth in the porcelain high-temperature vacuum furnace, and the natural teeth similar to the low melting ceramic powder and melt into the specially processed metal on the surface. To do the PFM crown tooth surface sticky in the solid ground to turn over real teeth, it will have real teeth generally comfortable, wear-resistant, stable and functional characteristics. Since the porcelain teeth and bacteria can not survive on the surface, there should be no tooth decay. Will be made of ceramic powder and restoration. Precious metal porcelain crown in general contain gold, palladium, they have the advantage of beautiful color, not green, made of ash, and ceramic and metal combination is very good, very few of the porcelain collapse from happening. However, there are shortcomings in porcelain teeth, it's better to respect the strength and wear resistance of metal materials. In the use of porcelain teeth, attention must not be too hard bite of food.
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Appropriate to the crowd: apply to the moderate and severe Sihuansuya, dental fluorosis, enamel hypoplasia, teeth crack, incomplete, the serious holes in the case of whitening effect.
Duration: more than a decade.
Advantages: teeth whitening effect, lasting even once and for all.
Less: to do porcelain teeth should be the original teeth grinding small, the greater the damage to the teeth, rod-like teeth into a very vulnerable. The high cost of porcelain teeth, tooth whitening is the "noble", the lower the price of the metal can cause inflammation of the gums, the gums shrink.
2, a cold bath to the teeth
The United States of teeth: This is a fast and safe tooth whitening techniques. Low temperature to avoid the cold light treatment of the tooth nerve stimulation. Whitening agents for the major components of hydrogen peroxide, in the safe use of dental decoloration there for 10 years. In the hydrophilic drugs and no contact with the gums in the process of whitening, enamel on the tooth structure and do not cause any harm, one-time, non-stimulation. The process is very simple, painted the edge of gum in a protective agent, and then Miantu teeth whitening agent, with cold white light Irradiation (based on the degree of light stained teeth 8 to 10 minutes) and then get rid of whitening agent, apply a The new layer of whitening agent. This process repeated three times, but the whole process of 30 to 40 minutes.
字串9 Appropriate to the crowd: exogenous pigment teeth (coffee, tea stains, smoke stains deposition), in Sihuansuya mild, drug-induced discolored teeth and Huang Ya hereditary, and so on.
Duration: 2 years.
Advantages: cold light tooth whitening techniques, the effect could be to increase 5 to 14 color color; adopted by the cold light of the low temperature to avoid the operation of the tooth nerve damage; operation does not touch gums, teeth structure Cause damage.
Inadequate: whitening through the cold light exposure in the cold light of their teeth painted on a layer of gel, gel can make teeth decolorization. Therefore, the fact remains cold light whitening drugs through the teeth whitening, laser medicine only on aid, and the operation of the process is relatively pain.
3, to the tooth wear white coat
Teeth of the United States: veneer teeth whitening is attached on the surface layer of veneer, has been on the discoloration of the teeth to play the role of the shelter. Veneer whitening effect is obvious that immediately after the white paste, is very convenient. Now, the color of teeth veneer has been growing more and more and more life-like appearance, very popular.
字串2 Now the pop veneer teeth can be divided into resin veneers and porcelain veneers two. Resin veneers in Moqu part of the tooth after tooth paste resin on the surface, you can keep the shape of the teeth and the same as the original. The porcelain veneer is a collection of porcelain tooth veneers and resin of the advantages of both beautiful and realistic, this is the latest ultra-sophisticated computer sculpture cutting equipment and technology, will work with dental enamel similar to the "white patch" cut Complete with teeth close together shape, with a special activity patch will be close interface materials teeth in the mosaic, and therefore more expensive price, compared to the resin to maintain a long period of time. It is said that this "white patch" technology at this stage is minimal damage to the teeth whitening methods abroad has become a fashion favorite.
Appropriate to the crowd: Sihuansuya, drug-induced discolored teeth and Huang Ya hereditary, and so on.
Duration: more than a decade.
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Advantages: porcelain veneer and the veneer resin, color, shape, with little difference between real teeth, and its production process was fine, is the treatment of tooth defects, missing the primary means of dentition.
Inadequate: Although the veneer immediately after the teeth will be white, but also very natural and realistic, but still off easy, easy color, caused by gum swelling, bleeding, and so on; resin veneer to a certain thickness of lips will change slightly convex, the appearance of There are some beautiful, but expensive.
4, also made teeth whitening Spa
The United States and teeth: bleaching, the dentist will provide you a transparent Tray custom every night to squeeze liquid in the Tray, Tray wearing to sleep. Outside the bleaching technique applied to moderate the defect-free dental fluorosis and Sihuansuya decoloration treatment, 3 to 5 weeks to get results. Bleaching with surgery: mainly used for front teeth discoloration, dental pulp with tetracycline or serious discoloration of the teeth restoration, is the first conventional method of root canal therapy, root canal filling material in the mouth root canal next 2 to 3 mm, good pad substrate material To prevent the infiltration of drug apical foramen. And then dipped with 30% hydrogen peroxide into the cavity of the small cotton balls, with zinc oxide eugenol cement powder tightly closed, 2 to 3 days the first Dressing, 4 to 7 times before it can be very effective, Finally cavity filled with composite resin. This method of tooth injury large and very sore.
字串6
Appropriate to the crowd: the application of pigment in the teeth of mild dysplasia, as a result of changes in the age of the tooth enamel color yellow.
Duration: 2 to 3 years.
Advantages: dentists under the guidance of bleach safe, convenient.
Inadequate: the color of the heavier Sihuansuya, dental fluorosis, such as less effective, because only the surface is white, not durable, but easily lead to sensitive teeth. Need to pay attention to: bleaching technique is not effective for all, the color of the heavier Sihuansuya, dental fluorosis, and other less effective because it can surface gray teeth, not durable, easily lead to sensitive teeth. Specialists should be strict selection indications, the operation should protect the oral mucosa to prevent the gums were burned.
5, the teeth on a regular basis to "wash"
Teeth of the United States: Scaling is a doctor with ultrasonic scaler and sandblast scaler the removal of dental calculus and plaque on the surface, the surface of the teeth by washing away the stone and calcification of the dirt. Scaling is completely different from an ordinary brush, it can not only clean the surface of the teeth shallow dirt, but also a thorough brushing can not remove the plaque removed, and stone colors, easy to clean teeth when they found difficult to detect the small dental, Comparison of dental caries, such as hidden to early detection and early treatment. Now the regular use of the hospital are imported Scaling ultrasound machines, ultrasonic vibration is a principle rather than in addition to wear on teeth did not hurt. And the effect is "at once."
字串1 Targeted: the surface of the teeth will be able to remove the pollutants out of the teeth are slightly better results.
Duration: six months.
Advantages: whitening teeth at the same time, the maintenance of periodontal health.
Inadequate: Lu Bai only on the surface, rather than whitening. Scaling, a small number of people will have more teeth sensitive to hot and cold on the limp, do not have to stress that this is because the removal of teeth, so that the exposed root.
TIPS:
1. Teeth whitening after the note
24 hours after treatment, the teeth can easily re-infected with non-ferrous material, the need to avoid drinking tea, coffee, cola, red wine, berries beverages, non-ferrous toothpaste, mouthwash, such as food and eating dark at the same time to minimize the risk of smoking Smoke.
2. Teeth whitening attention to the 7
Teeth whitening is not a matter once and for all, whether you are passed over ways to allow the resumption of the teeth as white as snow, we should remember that in a good way to maintain the beautiful brush.
字串6 1, brush their teeth at least twice a day. Many oral health experts recommended brushing their teeth before going to bed. When you go to bed, reduce saliva, the bacteria produce more acid damage teeth. In the morning and brush their teeth, you can have a night to remove the plaque.
2, do not brush their teeth every day for more than three times. Brush their teeth after lunch you will clean the mouth of an afternoon. However, keep in mind that brushing too often lead to shrinking gums.
3, soft brush. Hard brushing will cause gums to shrink. Attached to the plaque on the teeth like jam on the Mushao, mouthwash can not completely remove plaque, but it can be soft brush. Wobi hold the same as the toothbrush, you can reduce the strength of the brush.
4, brush their teeth at least every two minutes. Of course, the longer the time, two minutes and is fully clean the mouth of the time at least.
5, a standardized way of brushing teeth. Brush their teeth every day to maintain the same way. A number of oral health experts think that can help patients remember to brush every corner of the mouth, if you do every day, slowly becomes a subconscious act.
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6, has been the use of "soft" or "ultra-soft" toothbrush. The more hard toothbrush, the risk of injuries gingival tissue greater.
7, on a regular basis to replace toothbrushes. Once open bristles, the toothbrush on the loss of the normal cleaning. Three months to replace a toothbrush.
