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By then dividing the length of that Rectangle by 2 one is able to determine the width of.809 for one central. Figure 2, 3 Figure 4 Figure 2 Figure 3 Correlation with Teeth The Golden Rectangle has been used to determine the proportion of the centrals by placing the two centrals in the Rectangle representing the length of by the width of 1 for the purpose of that example as shown in Figure 4. As well as many other figures such as the triangle and the spiral. B C F A K D E Figure 1 34 CANADIAN JOURNAL OF COSMETIC DENTISTRYĢ All these Figures and proportions are found in nature 3 as you can see in these photos. 2 This is the formula Fibonacci used to determine the Golden Number of: Many forms have been created using the golden proportion such as the rectangle and many other forms used as the most pleasing to the eye forms in all aspects of our lives. To obtain the formula we add the 2 preceding numbers together in order to achieve the next value. His discovery of the mathematic formula which he called the Golden Number was expressed as a function of Phi and 1. A link has been established between numbers and the nature first described by Fibonacci in the early 1200 s. History From the days of Greek antiquity, the theory of proportion has served as reference to create harmony.
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The modified Golden Proportion formula provides the Cosmetic Dentist with the ability to reduce the Artistic Element, in preference to a Scientific one resulting in a more accurate approach to the creation of smile design and proportion. Alain Méthot, we are able to create a pleasing smile design proportion for our patients. This article shows that by using new Modified Golden Proportions which are individually determined for each patient by using mathematical formulae invented by a Canadian Dr. 1 The standard Golden Rule works well for the determination of the central incisor ratio, but in the majority of cases, fails to provide a pleasing smile when used to develop the proportion of central to lateral to cuspid. The reason that we must use our Artistic eye so much, has been because in most cases, the Golden Proportion guidelines do not give a realistic view for tooth proportion. It has been taught that the dental team must develop an artistic view for smile creation which is based on Scientific guidelines. Alain Méthot Abstract Since the beginning Cosmetic Dentistry has been using the principles of Golden Proportion (1: 0.618) as a guideline for smile design. 1 M PROPORTIONS The new Golden Rules in dentistry Dr.