- In the dental office
This type is also called the professional type because it is under the supervision of a specialist doctor. It depends on the use of a gel that contains oxidizing substances such as hydrogen peroxide or carbamide peroxide for whitening, and the process is either chemically or using light energy that aims to accelerate the whitening process in the dental clinic [20]. Different types of energy can be used in this process and the most common ones are halogen, light emitting diode (LED) or plasma arc. Some claim that halogen light is the best source for optimal treatment results, [21] but some researchers report that there is no acceleration or increase in efficacy that occurs when using light sources, and that light-activated whitening systems add cost, occupy operating space, and can cause Soft tissue burn, and can increase the operating temperature.[22] Therefore the use of light bleaching may not be warranted because of the risks involved.
- At home
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There are many products available to the public that whiten teeth, such as: [23]
- Whitening toothpastes
- Bleached tapes
- A whitening lotion
- Dental floss and a whitening toothbrush
- Whitening gel
- Light-activated whitening gel in trays
- Combine professional and home whitening
This technique is called teeth whitening using home use under the supervision of the dentist, and this is done through custom designed templates that are distributed by doctors to their patients after taking the sizes of the teeth. 10% to 38%.[24] Common clinical practice is to apply this technology to obtain faster whitening effects, improved color fastness, and lower levels of tooth sensitivity.
General considerations
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Before starting the teeth whitening process, it is recommended that the patient come to the dental clinic for a comprehensive examination consisting of a complete medical history, therapeutic and social history, which will allow the doctor to know if there is any treatment that needs to be done such as fillings to remove tooth decay, and to assess whether the patient He would be a good candidate for bleaching procedure or not. The dentist will then remove (clean) the surface of the tooth using an ultrasonic device, hand tools, and a potential stain remover paste which will result in a clean tooth surface to achieve the maximum benefits of whatever teeth whitening method the patient chooses.[25]
