What does “Teeth whitening” mean?
Teeth whitening uses whitening agents to brighten natural tooth color. It works differently from cleaning that removes surface stains, and does not change tooth shape or position.
Which types of discoloration respond to whitening?
Discoloration is divided into surface staining, color changes inside the teeth, and changes related to drugs, trauma, and development. Different causes will have different reactions to whitening and different plans required.
If tartar or surface staining is the focus, cleaning alone may improve the appearance. If only one tooth is dark or has recently suddenly become discolored, check the pulp, cavities, and trauma before whitening.
In-office and at-home whitening
Whitening can be performed in a dental office with gum protection, or at home using trays and whitening agents under a dentist's instructions. Application time and frequency differ by product and method; do not increase the concentration or duration on your own.
Whitening works on natural teeth. Since the color of existing restorations such as crowns, resin, and veneers do not lighten together, color differences may occur after treatment.
Sensitivity and maintenance
Temporary tooth sensitivity or gum irritation may occur. Application intervals or methods may be adjusted according to symptoms. Severe or persistent pain should be assessed for other causes.
The whitening effect is not permanent. Consider your staining habits, oral care, and the original cause of discoloration to create a necessary maintenance plan.
Frequently Asked Questions
Can I whiten my front teeth even if they have resin or crowns?
Natural teeth and restorations do not change color in the same way. We first discuss color differences that may occur after whitening and how to adjust or replace the restoration if necessary.
Can scaling alone make my teeth whiter?
Removing surface deposits or stains may change their appearance, but it serves a different purpose from whitening that brightens color within the teeth. The method should match the cause of discoloration.
If the color is dark, should I whiten it first before veneers?
The choice will vary depending on whether it is a color-only problem or a combination of shape and damage. We compare the reactions and limitations of whitening and the reasons why restoration is necessary.
3 things to check before choosing teeth whitening
Please review the questions to ask before deciding on treatment and the treatment standards of TU Dental Clinic.
- A choice suited to your condition
Does the clinic check the cause of discoloration and existing restorations first?
TU Dental Clinic’s treatment standardsTU Dental Clinic compares treatment methods by distinguishing between cases where you only want to change the color of the tooth and cases where the shape and damage must also be examined.
Standards for comparing teeth whitening and veneers - Preservation of natural teeth
Does the clinic compare alternatives to see if it can be solved just by changing the color?
TU Dental Clinic’s treatment standardsTU Dental Clinic explains the application method and scope of change for whitening and restorative treatments. Together we compare the treatment range required for the desired color change.
Standards for comparing teeth whitening and veneers - Care after treatment
Does the clinic explain how to manage sensitivity and maintain the color?
TU Dental Clinic’s treatment standardsTU Dental Clinic provides guidance on hygiene and regular check-ups after gum treatment. Ask about care suited to your teeth and gum condition.
Integrated treatment that examines cavities and gums together
Further reading and references
Further reading
TU treatment guideTeeth whitening guide
Explore care at TU Dental in Gangnam, Seoul, Korea: teeth whitening, gum contouring and selective tooth preparation, including when each is considered and how treatment is planned after assessment.
Last updated Medically reviewed by Dr. JAEWON SEO Chief Director (Reviewed )TU BlogTeeth Whitening vs Veneers: Which Is Right for You?
If you only want to improve tooth color, teeth whitening is simpler and more affordable. If you want to improve color, shape, and size at the same time, veneers provide a more comprehensive result. If you are looking to improve both color and shape with a minimally invasive approach, ZERONATE may be considered as an alternative option.
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