What Is the 50-40-30 Rule in Dentistry?
What Is the 50-40-30 Rule in Dentistry? The 50-40-30 rule in dentistry is a cosmetic smile design guideline used to create balanced and natural-looking tooth proportions. It describes how the front teeth should visually appear when someone smiles. In simple terms: Dentists often use this principle during: The goal is not to create “perfect” teeth. […]