1. Oral examination, doctor-patient communication, determine that customers are suitable for caries whitening.
2. Wear desensitizer.
3. Preoperative teeth occlusion, photo archive.
4. Try to open the cavity of the opener and perform a simple press surface treatment.
5. Put the soaked sliver in the mouth and apply lip care oil.
6. Apply a protective agent on the gums.
7. Apply the adjusted whitening agent on the teeth to perform whitening treatment.
8. Repeat the whitening treatment and finish the treatment in three stages.
9. After the whitening treatment is complete, remove the whitening agent and gum protectant.