The reasons for having your teeth straightened are as individual as the treatment available, aesthetic improvement is just one of the benefits. Confidence People are very aware of how teeth look and an attractive smile can play an important role in enhancing self-confidence. First impressions are made when a person smiles and many people with less than perfect teeth may find that they do not smile as often. Hygiene It's more difficult to clean your teeth when they are crowded and overlapping. Plaque damage due to inadequate cleaning is a major factor in tooth decay, gum disease and eventual tooth loss. Having your teeth straightened will ...