what is cosmetic dentistry? this is basically dental work which improves the appearance of teeth, gums and bite. cosmetic dentistry focuses on improvement in teeth aesthetics like teeth color, position, shape, size, alignment, and overall smile appearance. cosmetic dentistry is everything from tooth whitening to complete smile makeovers. cosmetic dentistry makes regular teeth cleaning easy, improves your confidence as you engage people with a beautiful smile. it also stops grinding of teeth.