What is the average length of the upper lip for a young female?

The average length of the upper lip for a young female is generally recognized to be between 12-14 mm. This range reflects standard anthropometric measurements that consider the aesthetics and proportions of the facial features in relation to each other. The upper lip's length can significantly impact the overall appearance of the smile and facial harmony.

When assessing or planning for dental treatments, such as orthodontics or cosmetic procedures, understanding these averages is essential for achieving desirable outcomes that align with established standards in aesthetic dentistry.

In this case, the choice indicating a length of 20-22 mm exceeds the typical measurements found in the literature regarding upper lip length, thus making it inconsistent with recognized anthropometric data. This highlights the importance of using scientific guidelines based on demographic studies when evaluating anatomical proportions for dental and cosmetic considerations.