Tooth Cavity Vs Stain Comparison Chart. To the untrained eye, a cavity may look similar to a stain but the former is a tooth disease while the latter is a cosmetic concern. Here is an overall summary of a cavity vs stain chart:.

Here is an overall summary of a cavity vs stain chart:. To the untrained eye, a cavity may look similar to a stain but the former is a tooth disease while the latter is a cosmetic concern.