Whitening teeth is a common way to get a more radiant, youthful smile, but is it effective at removing tough stains? Yes, however it depends on the stain type. That's the quick answer. Whitening treatments are effective at removing surface stains brought on by food, beverages, and smoking. However, more sophisticated methods can be needed for deeper stains, such as those caused by agi... https://www.smileagain.in/