The Triangle of a Smile Aesthetics
- cataplt
- Feb 19
- 1 min read
Arc, Gum, and Lip

The triangle of Arc, Gum, and Lip defines the three main components of a smile, each contributing to its aesthetic, emotional impact, and uniqueness. Together, they shape the expression that conveys warmth, confidence, and connection.
Arc: The arc refers to the natural curvature of the teeth when smiling. A balanced, upward curve creates a pleasing and inviting expression, reflecting joy and positivity. The arc’s symmetry often determines the overall appeal of the smile.
Gum: The gum line is the framework that supports the teeth. A healthy and balanced display of gums during a smile enhances its appearance. Excessive or minimal gum exposure can affect the harmony of the smile, making gum health essential.
Lip: The lips frame the smile and define its shape. They control the degree of openness and help express subtle emotions, from a soft grin to a wide, enthusiastic smile.
Balancing arc, gum, and lip creates a captivating smile that radiates personality and emotion.
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