Teeth Whitening can change your life
https://medium.com/@m9jhjgo385/10-situations-when-youll-need-to-know-about-teeth-whitening-treatment-ad5c9002e8fb
The biggest benefit of tooth whitening is that a person who hides his teeth while smiling starts laughing out loud; the latter ultimately boosting the self-esteem of the person. The overall quality of life is improved.