Comparing ADA-accepted caries diagnosis machines: What's the difference and is it time to get one?: On Practice Management | Chicago Dental Society

Chicago Dental Society:

"What further confounds the profession is the increasing prevalence of “hidden caries,” which is often attributed to the success of fluoride. Because fluoride has effectively hardened tooth enamel in much of our population, when caries is able to penetrate the underlying dentin, the decay process can progress under seemingly healthy enamel, effectively evading detection."