Cosmetic dentistry states to any dental work that improves the appearance of a person's teeth, gums. It mainly focuses on enhancement dental aesthetics in colour, position, shape, size, alignment and overall smile appearance. It involve addition of a dental material to teeth or gums, removal of tooth structure or gums, straightening of teeth accompanied by improvement in appearance of face. Cosmetic dentistry is generally used to refer to any dental work that improves the appearance (though not necessarily the functionality) of teeth, gums and/or bite. It primarily focuses on improvement dental aesthetics in color, position, shape, size, alignment and overall smile appearance.