is a mathematical ratio that seems to appear recurrently in beautiful things in nature as well as in other things that are seen as "Beautiful".
The "Golden Ratio" is a mathematical ratio of 1.618:1 , and the number 1.618 is called " Phi ".
The four front teeth, from central incisor to premolar are the most significant part of the smile and they are in Golden Proportion to each other. This phenomenon has been combined in a grid which can be used to assist us in perfecting the aesthetics of the eight front teeth. The above picture shows a grid in the mouth with the front teeth clearly shown in the demarcations predicted.
It is the responsibility of the general dentist to offer the best possible treatment to the patient and hence must have the knowledge of the procedures he/she will refer out in order to confidently offer treatment to the patient.