Today, with the increase in the esthetic demands of patients, treatments for this purpose have started to be applied frequently by clinicians. Teeth are one of the most important factors affecting people's smiles. The positive impact of a dental restoration on a patient's smile, appearance, self-confidence and overall mental health is significant. Smile design involves smile analysis, including lips, teeth, gums and other facial features. Understanding the factors that contribute to an esthetically appealing smile plays an important role in achieving successful treatment outcomes. Smile esthetics is considered a part of modern dentistry practice and enables people to have a healthier, natural and aesthetically pleasing smile. Smile esthetics in dentistry is a field that aims to improve the esthetic appearance of individuals. In this area, the focus is on esthetic elements such as the color, shape, size and alignment of the teeth. Various treatment options are offered for this purpose, and the treatments applied both address the esthetic concerns of individuals and improve dental functions. In addition, customized treatment plans are created according to the individual needs and preferences of the patients. Therefore, smile esthetics plays an important role in modern dentistry. Achieving a harmonious ideal smile may require more than one treatment procedure and these treatments should be evaluated together, not alone. In this context, it is aimed to achieve more successful results while achieving smile esthetics.