Why do teeth turn yellow after cold light whitening?

Cold light teeth whitening is good news for many people with yellow teeth. It can remove dental plaque and make teeth white again. However, after using cold light teeth whitening, if you do not pay attention to good conditioning, it is likely that the teeth will gradually turn yellow again. For example, if you do not pay attention to personal hygiene, often drink strong tea, strong coffee, and have the habit of smoking, these may cause the teeth to turn yellow again. Therefore, after cold light teeth whitening, you must pay attention to teeth cleaning.

Drinking dark drinks after cold light whitening will turn your teeth yellow

After cold light whitening and drinking dark beverages, teeth will turn yellow. For example, coffee, strong tea, cola, red wine, etc. will stain the teeth that have just undergone cold light whitening. Therefore, after completing cold light whitening, it is forbidden to drink colored beverages.

After cold light whitening, eating colored food will turn yellow

When doing cold light whitening, the dentist will generally tell you that you should avoid eating berry fruits, tomatoes, purple cabbage and other brightly colored foods right after the cold light whitening, as these will affect the effect of the cold light whitening.

Smoking after cold light whitening will make your teeth yellow

Because smoke contains nicotine, tar and other substances that cannot dissolve in water, they will accumulate on the teeth. Teeth that have just undergone cold light whitening are particularly susceptible to staining, so you must not smoke after completing cold light whitening.

Do not use colored toothpaste and mouthwash after cold light whitening

You cannot use colored toothpaste or colored mouthwash after cold light whitening. These two things are also one of the reasons why teeth turn yellow again after cold light whitening. Therefore, it is best to choose white toothpaste and colorless mouthwash after cold light whitening.

If you don't brush your teeth carefully after cold light whitening, they will turn yellow

After completing cold light whitening, especially in the immediate period after the procedure, you should pay special attention to your oral hygiene. If you don’t do a good job of oral hygiene, it will easily affect the effect of cold light whitening of teeth, causing the teeth to turn yellow again after cold light whitening.

How to brush your teeth after cold light whitening

After cold light whitening your teeth, try to use warm water to brush your teeth, choose a soft-bristled toothbrush that suits you, and use white toothpaste within 24 hours, and brush your teeth thoroughly at least twice a day, morning and evening. Each time you brush your teeth, you should spend at least three minutes brushing the inside, outside and cut surfaces of your teeth.

After completing cold light teeth whitening, rinse your mouth thoroughly three to five times a day. Try to brush your teeth after eating. If you cannot brush your teeth, you must rinse your mouth thoroughly, especially after eating sweets.

Doing dental exercises after cold light whitening can prevent yellowing

Keep doing dental exercises, including tapping your upper and lower teeth, massaging your gums with your index finger, and gargling with a breath of air. Do this three to five times a day, each session lasting three to five minutes.