Comparison of internal and external tooth bleaching
In the process of internal tooth whitening, bleaching solution and treatment are performed on damaged, infected or damaged teeth from the root area.. Usually, in these cases, the tooth is locally discolored and darkened. But in the external bleaching method, the bleaching material is used for the overall surface of the teeth. In fact, in this method, the surfaces of the teeth are whitened all at once. There is no need to grind and create additional work and we are facing a healthy tooth surface. When internal bleaching is to be used, the bleaching solution is injected into the desired cavity in the tooth that has darkened.. In this article from Dr. Hossein Borjian's website The best gum surgeon in Isfahan We will review and compare internal and external tooth bleaching.
Different methods of internal bleaching
The color change process after root canal the teeth (Internal bleaching) It is done in several different ways, and the choice of treatment method by the doctor depends on various factors. The most commonly used methods of bleaching are::
Internal-external method (Terry Bleaching)
It is a combined method that includes both living teeth and dead teeth. The solution prepared in this method is not only applied to the dead tooth, it covers the entire surface of other teeth and is used for whitening.. When people want to whiten and shine their teeth in one go, they get help from this method. Color balance and good harmony are created on the teeth with this method.
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By using these methods, the process of internal whitening of the teeth is carried out, for which an efficiency of about 85% can be considered.. For this reason, it has brought wide satisfaction and the number of bleaching applicants is increasing day by day.
In-office method (In Office)
A high strength bleaching solution is used in this method. Therefore, in the doctor's office, the solution is injected into the cavity of the desired tooth and must remain on the tooth for a certain period of time, which depends on the type of solution.. To complete the treatment, the person may need to visit the doctor's office several times. Usually, in these cases, an injection interval of at least one week is considered to reduce the effect of bleaching on tooth surfaces and corrosiveness..
When using this method, the tooth must be completely isolated. Because the high strength of the solution may be to Enamel and damage the gums. In cases where more impact is needed and the conditions are properly controlled, the bleaching agent is used inside the cavity and for the surface at the same time, which can be said to be the sum of internal and external bleaching..
Women's step method (Walking) or accompanying
In the previous method, due to the high strength of the solution and also the control conditions that were needed, the solution had to be removed from the site after some time. In this method, the solution is injected into the target area and a dressing is done on it. The person goes about his daily life for a week and returns to the office after a week. This process is repeated in subsequent visits. The strength of the solution used in this method is lower than the previous method. Among the materials used in this method is sodium perborate.
This method requires more expertise, and the solution must be injected correctly, and it must be possible to perform the dressing and the desired space for it..
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Combined method (Inside the office and companion)
If both of the above methods are used for bleaching, it is called a combined method. In this case, first a strong solution is injected and after a certain time it is removed from the tooth, and the bleaching solution with a lower dose is permanently applied along with the dressing.. This solution remains until the following week to repeat the process. The effectiveness of this method will be higher if the doctor follows the bleaching instructions correctly and there are no side effects for the person..
In the case of internal bleaching, at the time of removing the previous layer and repeating the procedure, a cut is made, and each step may cut a part of the tooth around the cavity.. So it is better to use surface bleaching methods first. If it is not effective, then the internal method should be done.
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Attention :
- The scientific accuracy of the above published material should be confirmed by the patient's personal consultation with Dr. Borjian.
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