At what wavelength does the Er:YAG laser operate?

The Er:YAG laser operates at a wavelength of 2940 nm. This specific wavelength is highly absorbed by water and hydroxyapatite, making it particularly effective for various dental and surgical procedures, especially in soft and hard tissues. Its interaction with water allows for precise and controlled tissue cutting and ablation while minimizing damage to surrounding tissues. This property is crucial in periodontal therapies where precision and tissue preservation are essential for successful outcomes.

In contrast, wavelengths such as 1064 nm, 2780 nm, and 670 nm correspond to different types of lasers that are utilized for various applications, but they do not match the specific absorption characteristics and clinical advantages of the Er:YAG laser at 2940 nm. This unique wavelength defines the Er:YAG laser's effectiveness in specific periodontal treatment contexts.