What does “Dental golden proportion” mean?
The dental golden proportion is an aesthetic design concept that compares the apparent widths of upper front teeth when viewed from the front. It commonly describes a sequence from the central incisor to the lateral incisor and canine in which each tooth appears about 0.618 times as wide as the tooth immediately toward the centre. It is not a standard of normality for every natural dentition.
The comparison uses widths seen from the front
The apparent widths of an upper central incisor, lateral incisor and then canine are compared. Because teeth follow the curve of the dental arch, their actual widths measured in the mouth may differ from their widths in a frontal view. Any explanation of a ratio should identify what is measured and from which direction.
One number does not determine a natural-looking smile
Studies of natural teeth have not found that everyone’s front teeth follow a fixed golden proportion. Departing from that ratio does not indicate disease or a defect that must be corrected. Aesthetic goals take account of the existing tooth shapes and arrangement and how they look together with the face and lips.
It is not the sole aim of treatment
A ratio can help compare shapes, but it is not a requirement to remove tooth tissue or widen teeth simply to reach a particular number. The areas to be changed and the treatment actually needed are considered separately. A ratio alone cannot guarantee a treatment result or a natural appearance.
Frequently Asked Questions
Are my teeth the wrong shape if they do not follow the golden proportion?
No. Natural teeth show a variety of proportions. The golden proportion is not a universal test of whether teeth are normal or abnormal.
Is a tooth’s width-to-height ratio the same golden proportion?
No. This entry concerns the apparent widths of neighbouring teeth viewed from the front. The width and height of one tooth, and its share of the total front-tooth width, are separate measurements.
Questions when comparing tooth proportions
Learn what the term means and how it relates to your dental condition.
- Sufficient understanding
Which widths were compared, and from what direction?
Explanation and evidenceDistinguish the widths visible in photographs from actual tooth widths and compare like with like.
Study comparing the golden proportion, RED proportion and golden percentage in natural teeth - Preservation of natural teeth
How would using this number change the treatment needed?
Explanation and evidenceSeparate the ratio itself from changes actually needed in tooth shape or arrangement, and clarify whether reaching a single number is being made the goal.
Systematic review and meta-analysis of the golden proportion in natural dentitions
