Teeth whitening is putting chemical oxidative bleaching drugs on the surface or inside of the teeth, and then the bleaching drugs will chemically react with the teeth, thereby whitening the color of the teeth themselves. This method is currently used at a very high rate because today’s society has high requirements for beauty, so teeth whitening has also become a means to make the appearance more beautiful. However, most people who have finished teeth whitening are more concerned about the maintenance time, so let’s take a look at it together.

Teeth whitening

A tooth whitening can last about 1 year to 5 years, and the specific maintenance time needs to be determined according to many factors. It is recommended that patients choose a regular and authoritative hospital for teeth whitening, which can better ensure the whitening effect and maintenance time, to make the teeth whitening state more lasting.

The duration of teeth whitening is affected by three factors

1. Ways to Whiten Teeth

The most commonly used methods of teeth whitening are ultrasonic cleaning, cold light whitening, and opalescence whitening. The ultrasonic cleaning method can remove the tartar and calculus on the teeth very well. This is a relatively shallow staining method that maintains The time will be shorter, about a year or so. The cold light whitening method has relatively deep staining, the operation time is short, and there is no side effect on the teeth. This method of teeth whitening can be maintained for about two years once done. The method of whitening teeth is very efficient and fast, the whitening process is comfortable and painless, and the maintenance time is relatively long, which can be as long as five years.


2. Doctor technology

The doctor’s technology has a direct impact on the maintenance time of teeth whitening. If the doctor’s skills are relatively high and experienced, the effect will be better when whitening teeth and the maintenance time will be longer.

3. Aftercare

After teeth whitening, you want to maintain a longer period of time, and post-care is a very critical step. It is recommended that patients eat fewer foods that are easily colored, such as coffee and colored beverages, in their daily life. In addition, patients should maintain the regularity of their lives to avoid long-term bad diets and bad habits that cause yellow teeth.


Teeth whitening can last from 1 to 5 years. However, many external factors will affect the maintenance time of teeth whitening. It is recommended that patients go to a regular hospital and choose an experienced doctor for treatment operations when teeth whitening is performed. In addition, patients also need to pay attention to the post-care work and pay attention to the cleaning of teeth in daily life.

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