You shouldn�t underestimate the importance of a great smile. Smiles have been linked to a person�s feelings of self-worth and levels of confidence. If you�re worried about your teeth being crooked, you�re less likely to smile, which brings down your mood and can affect your overall well-being.You may think braces are out of the picture for you because you�re older, but nothing could be further from the truth. Many adults, celebrities included, have or are currently wearing braces.