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Cosmetic Dentistry

Cosmetic Dentistry is currently one of Dentistry. Dentistry in the past mostly focused on

correction, treatment of tooth decay or abnormality of tooth which paid less attention to aesthetic or cosmetic dentistry. At present, there is alertness in the development of treatment. It focuses not only on correction of teeth for normal use but also for beauty purpose and assimilation with nature and making patients’ satisfaction most.


Cosmetic Dentistry is as follows.

1. Tooth Polishing

2. Tooth Bleaching

3. Veneer or Facing

4. Crown or Bridge


The main principle of cosmetic dentistry is to use conservative technique in keeping tooth pulp most, not destroying the pulp without necessity .If it does not succeed, Changing to new treatment should be done.


Objective of cosmetic dentistry is to have treated teeth as following.

to have natural color.

to have natural shape blending with other organs within oral cavity including face.

for beauty purpose meeting patients’ needs and satisfaction, not dentists’ satisfaction.


........Tooth Polishing

.... It is to polish or get rid of external stain of tooth surface such as stain of tea,

coffee, rubber, and food attached on external surface of tooth. This technique will not destroy tooth pulp, it get rid of tooth veneer in only one micron volume. This technique cannot change natural tooth color into other one.


.......Tooth Bleaching

.... It is technique of applying chemical into tooth surface in order to disintegrate organic of color. Organic color is removed only; there is no any removal of tooth pulp. This results in paling of color .Tooth bleaching or whitening process can be done on patients, except in some cases e.g. dark tetracycline tooth which it is hard to have bleaching effectively. Patients should consult dentists for effective treatment in bleaching case by case. Both techniques above can only whiten teeth but they cannot change tooth shape.

 

Both techniques above can only whiten teeth but they cannot change tooth shape.


Types of Tooth Bleaching

1. Home Bleaching This treatment can be done at home. Dentists will make demonstration of tooth bleaching at clinic and then, patients will continue bleaching at their homes. This process takes about 1-5 weeks which normally depend on type and tone of tooth color before bleaching (dark tone takes more time, gray tone takes more time than brown and yellow respectively, yellow tone is likely to be successful in bleaching most) and depend on customer’s satisfaction. Materials for bleaching are as follows.

- Gel. Dentist must mould patients’ mouths in order to bring the pattern for making bleaching tray which is attached to patients. This will not make Home Bleaching Gel leaking outside and save the chemical. Then; dentists will make an appointment with patients about 1-3 days in order to demonstrate how to bleach teeth at clinic 1 time and patients will continue bleaching by themselves at their home. Bleaching tray can be used for long time. Whenever patients need bleaching their teeth, they just buy bleaching gel in order to save their cost.

- Ready-made Bleaching Tray. Bleaching Gel is available in all markets. But the tray may not match with teeth which can cause bleaching gel leaking into tissue of oral cavity. Bleaching gel is not concentrated enough to whiten teeth. If bleaching tray dentists use has completely matching with teeth and bleaching gel is highly concentrated, patients should do bleaching under dentists’ control only.

 

- Sticker band. There is concentrated bleaching gel on sticker band. Patients can stick the band before the bleaching teeth without casting month.

2. In Office Bleaching. This bleaching treatment is done in clinic by using more concentrated bleaching gel than home bleaching. Dissolving bleaching gel is done by using various stimulators e.g. Intensive Curing Light Machine, Plasma Machine and Laser machine. Bleaching duration takes about 50 minutes to 1 hour. This will whiten teeth faster but in order to have good result and long whitening, it should be treated together with home bleaching or using whitening toothpaste after bleaching.

 

At present, chemical used in bleaching has been developed in various types in order

to facilitate the users. Before bleaching, doctor consultation should be done because dentists will give good advice and recommendation on how to make tooth bleaching and what the appropriate duration of treatment for each patient should be. Other treatment may be done before bleaching e.g. tooth scaling, filling, root treatment or other treatment in order to prevent tooth sensitivity while bleaching and unexpected side effect which depends on patients’ oral health. Dentists will diagnose case by case.

Side Effect of Bleaching It will have side effect on some patients only as following.

- Tooth sensitivity This will happen whenever patients drink cool water or have more sweet or sour food. Patients will recover from tooth sensitivity within a short time. If there is tooth sensitivity, patients have to inform dentists immediately because dentists will hold the treatment for a while or will apply fluoride to teeth in order to reduce tooth sensitivity. After recovering from tooth sensitivity, patients need to have bleaching again.

- Sore gum Chemical may leak to irritate gum. Severe degree depends on volume and concentration of chemical. Such symptom will disappear when stopping chemical use for a while. Therefore, patients should not buy bleaching gel available in markets by themselves because bleaching tray may not match with their own mouths which may cause leakage of chemical into gum and cause unexpected whitening.

- Allergy If patients have any allergy, they should stop using bleaching chemical immediately and consult dentists. Therefore, in order to have effective treatment, it should be done under dentist control.

Therefore, in order to have effective treatment, it should be done under dentist control.


Veneer or Facing

... Veneer of facing is the method of grinding front veneer of teeth out in 0.5 mm. and coating tooth colored material or veneer on teeth instead, which can cure abnormality of tooth color and shape. There are two kinds of veneer as follows.

There are two kinds of veneer as follows.

- Composite veneer. It is the same kind of tooth colored filling. The good point of this material is cheap but bad point is less durable than Porcelain veneer. After using this material for a while, Composite veneer will be worn out and absorb water or saliva into itself and color will be changed after over two year use.

- Porcelain veneer. It is more durable than Composite veneer, has the same color as nature, has brightness, glinting or has no absorption of water. The color is permanent and unchangeable. It is different from Composite veneer. Treatment of gray teeth or tetracycline teeth can be done better .But bad point is that it is more expensive than Composite one.



Benefit of Veneer

1. Tooth color can be changed in case of black tooth caused from tetracycline or in case of patients with dark teeth but no need to have tooth bleaching or in case of unsuccessful bleaching.

2. Correction of abnormality of teeth e.g. small and short front teeth.

3. Spacing teeth.

4. Crowding teeth can be done in case of being unable to have bracing treatment or patients having no desire to have bracing treatment.

5. Abnormality of tooth veneer can be treated. The abnormality is called Enamel Hypoplasia which has brown veneer or is not smooth or both. If it is severe case, this will cause veneer fragile and chipping easily.

To sum up, veneer can cure abnormality of both tooth color and shape.


Crown or Bridge

Crown or Bridge can treat both tooth color and shape the same as veneer but

Crown need to have whole tooth grinding about 0.5-2 mm. and it is stronger than veneer but more expensive than veneer.




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