What exactly constitutes a well-detailed smile? While the answer can be simple for some, having a genuine smile is not the case for a lot of people. The vertical position of the lower border of the upper lip can be defined as the lip line. Usually, doctors assess a standard smile by the elevation of the upper lip. The smile can be categorized into an average, low, and high smile. Some people would like to have a more optimal smile which is also described as “consonant”. The aesthetic smile that patients are looking for is called smile arc in which the incisors- a narrow-edged tooth at the front of the mouth- would follow along the curvature of the lower lip.

Although traditional orthodontic treatments have been successful in creating an aligned smile, sadly these treatments were not yielded an aesthetic result that many patients were looking for which was having a great smile. Nowadays, modern orthodontics have had promising progress in evaluating the position of the lip and teeth to provide the optimal smile. A dental smile is a combination of one or several procedures that are administered to correct the design of the smile. Cosmetic dentistry is one of the fields of aesthetic approach that is performed for tooth alignment, improvement of the health and appearance of the teeth, or disarranged tooth.

• Teeth should be symmetrical.
• The position of teeth should be in the same line.
• The central incisor should be larger compared with other teeth.
• The edge of the front teeth should be paralleled to the lower lip line.

Any social interaction that humans have begins with a decent smile. The appearance of the mouth and teeth when smiling is one of the first things that attract the attention of the audience. Therefore, it is crucial to care for the health of the tooth because it can be an important factor both for personal life and social life. Below some of the routine procedures that will create a perfect dental smile line will be explained.
Tooth bleaching: This is a common method that many dental patients will use to get rid of the yellowish color of their teeth or to make the teeth look bright. The whitening process or material will be administered based on the severity of the stain.
Orthodontic treatment: This type of treatment is ideal for those dental patients who are between the age of 8 and 14. Orthodontics is one of the fields of dentistry that will fix disarranged teeth. The most common appliances that are used to correct crooked teeth are braces that consist of bands, wires, and brackets.
Dental implants: Implants or dental implants are performed for people who have lost one or more teeth and are not satisfied with the appearance of their teeth and mouth due to the lack of space between the teeth. In this procedure, a pin is inserted into the jawbone and acts as the root of the tooth, then a veneer in the shape of a natural tooth is installed on it.
Dental Laminates: This procedure is performed by using small pieces of porcelain which will be applied to the teeth to improve the oral aesthetic. One of the vital benefits of dental laminates is that it enhances the resiliency and the strength of teeth compared to normal tooth enamel.

It can be said with confidence that Iran dental centers benefit from advanced dental equipment that is almost parallel to many developed countries. Patients who would like to have cosmetic dental procedures or are looking for proper dental treatments can rest assured that skilled surgeons and orthodontists will perform all dental procedures. Undoubtedly, Iran is home to some of the proficient dental practitioners in the Middle East region due to the tremendous and various dental demands of local patients who showcased to the world and neighboring countries Iranian dentists’ level of professionalism. More significantly, in Iran, dental surgery and treatment are considerably lower than many countries that offer the same dental treatment process, which is one of the main reasons that a substantial number of patients from across the world choose Iran to have their desired health treatment and follow their aesthetic goals.