Golden Ratio in Dentistry

by Nikhat Parveen, UGA

Eddy Levin, a practicing Dentist from London made an overwhelming discovery by applying Golden ratio into his practice; he found that the Golden Proportion and the beauty of teeth are interconnected. He began to put this into practice and started testing his ideas on his patients.

To examine the validity of the fascinating Golden Proportion quickly and easily, an instrument, the GOLDEN MEAN GAUGE was developed by Dr. Levin to demonstrate this proportion.

Tooth to Tooth

The first Golden Proportion relationship, and the most important to be discovered, is a simple tooth to tooth Golden Proportion as shown below.

The Diagnostic grid

The four front teeth, from central incisor to premolar are the most significant part of the smile and they are in the 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 adjacent diagram shows such a grid in the mouth with the front teeth clearly shown in the demarcations predicted.

The distance between the two eyes is the distance between the 'EYE WHITES'. They are beautifully interrelated in the Golden Proportion as shown in the photo of eyes below.

 The WHITE of the eyes AB is in the Golden Proportion to the space between the eyes BC as seen in the children's photo of eyes fig(iv) below.

The WHITE width FG of the Anterior Aesthetic Segment is in the Golden Proportion to the WHITE of the eyes AB, as follows:

By measurement it will be found that the width of the smiling lips from one corner of the mouth to the other is equal to the distance between the bridge of the nose plus the width of the eye, AC=DE (fig iv).

EYES

SMILE

EYES AND SMILE

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Therefore: AB - the white of Eyes is in Golden Proportion to white of teeth showing in Smile.

 THE GOLDEN RECTANGLE AND DENTAL AESTHETICS

Dentists find the proportions of the central incisor very beautiful, but they were not been able to find a Golden Proportion relationship between the obvious width and height. The problem was recently solved when Dr Stephen Marquardt, an eminent Oral surgeon in California, discovered that,

“The HEIGHT of the central incisor is in the Golden Proportion to the WIDTH of the TWO central incisors." as below.

The rectangle is determined by using the Golden Proportion gauge to measure the width of the two incisors and then to use the gauge to check the height, (there will soon be a grid available to do this easily, or the dimensions can be measured). This revelation has offered solutions to a host of dental aesthetic problems.

The Golden Proportion shows us a way of confirming the widths of the incisors by measuring their heights. It is a formula for evaluating the horizontal against the vertical. Testing the phenomenon on photographs of attractive teeth shows a very close compliance between the theoretical and the practical.

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