Why front-surface coating matters in a dental mirror
A front-surface coating eliminates the double-image effect of conventional mirrors. Here is what that means for clinical diagnosis.
The problem with conventional mirrors
A conventional glass mirror reflects from both the front surface of the glass and the silvered backing. The result is a faint secondary image — a "ghost" — that slightly offsets the true reflection. In a dental operatory, that offset obscures fine detail exactly where it matters most: marginal ridges, fracture lines, and the interface of a restoration.
What front-surface coating changes
A front-surface (or front-silvered) mirror places the reflective coating on the front of the glass. Light reflects once, directly, with no secondary ghost. The DENTASAGE Sharp Mirror uses a front-surface coating calibrated to 99% average reflectance with a color difference of just 0.3 ΔE — meaning the colors you see in the mirror are the colors actually present in the mouth.
Why reflectance and color difference matter together
Reflectance alone does not guarantee accuracy. A mirror can be bright yet shift hues. By holding both reflectance (99%) and color difference (0.3 ΔE) to tight tolerances, the Sharp Mirror restores true colors — supporting more confident diagnosis and shade matching.