Photo Credit: By   DzeeShah   on Pixabay. CC0 License There is a popular saying that goes like, “Smile and the world smiles with you.” There is no doubt that a beautiful smile radiates infectiously to others. Let us put an emphasis on the word beautiful. How does one possess a beautiful smile? Of course you have to agree that heredity cannot be singled out. Lifestyle and attitude also play part in the maintenance or even having a sweet smile. But what…