Professional teeth whitening is typically safe, but if done too often or excessively, it can lead to over-whitening, which brings its own set of problems. Over-whitening can make your teeth look unnaturally bright or even translucent, and it might heighten sensitivity to hot or cold foods and drinks. In some instances, it could also irritate your gums or other soft tissues in your mou... https://www.smileagain.in/teeth-whitening/