You need to hide the gums, to a certain angle grinning lips, to a certain proportion of the upper teeth, but can not show the lower teeth, and do not bleach the teeth too white, in order to “create” a perfect smile. U.S. dentist’s “perfect smile formula” stewardesses, salespersons, restaurant waiters, hotel attendants can not leave the smile, the service industry has been in pursuit of the best results of the smile; unknown or even language people also hope to smile as a bridge of communication. So, exactly how to smile is the most perfect smile? Recently, U.S. dentists and researchers launched the so-called “perfect smile formula”, in many details on the smile one by one to do the definition – from the size and width of each tooth, to the teeth of the overall arc, color and shape, as well as the overall width of the teeth. Raising the gums, revealing white teeth, covering the lower teeth, and having the lips at the right angle. “Everyone wants the perfect smile, and Jessica Simpson’s smile is the one we’re asked to replicate the most in our practice.” Said Dr. Nicholas Davis, a researcher and dentist at Loma Linda University School of Dentistry in California. He worked with other researchers to design the perfect smile. This report, the color of your teeth matters, and too many people today bleach their teeth too white. “The first thing people notice when they look at a smile is the color of the teeth. Many people today like to bleach their teeth too unnaturally. The color of your teeth should be the same as the white of your eyes. If the teeth are too white, it takes away the luster of the eyes.” You need to hide your gums, spread your lips at a certain angle, show your upper teeth in a certain proportion, but not your lower teeth, and don’t bleach your teeth too white in order to “create” the perfect smile. U.S. dentist’s “perfect smile formula” stewardesses, salespersons, restaurant waiters, hotel attendants can not leave the smile, the service industry has been in pursuit of the best results of the smile; unknown or even language people also hope to smile as a bridge of communication. So, exactly how to smile is the most perfect smile? Recently, U.S. dentists and researchers launched the so-called “perfect smile formula”, in many details on the smile one by one to do the definition – from the size and width of each tooth, to the teeth of the overall arc, color and shape, as well as the overall width of the teeth. Raising the gums, revealing white teeth, covering the lower teeth, and having the lips at the right angle. “Everyone wants the perfect smile, and Jessica Simpson’s smile is the one we’re asked to replicate the most in our practice.” Said Dr. Nicholas Davis, a researcher and dentist at Loma Linda University School of Dentistry in California. He worked with other researchers to design the perfect smile. This report, the color of your teeth matters, and too many people today bleach their teeth too white. “The first thing people notice when they look at a smile is the color of the teeth. Many people today like to bleach their teeth too unnaturally. The color of your teeth should be the same as the white of your eyes. If the teeth are too white, it takes away from the luster of the eyes.” Actor Jessica Simpson’s smile has been deemed “the perfect smile.”