Beauty is that "which gives the highest degree of pleasure to the senses or to the mind and suggests that the object of delight approximates one's conception of an ideal." A smile is often a reflection of the person's mood and temperament and it is one of the most important facial expressions and is defined as the non-verbal parameter of communication in body language. Redesigning the appearance of teeth in the smile design process is a demanding task, as it changes the patient's smile characteristics and the esthetic wishes of the patient must be accommodated within the predetermined...