I guess it's arguable whether better dental health, plus cancer, could be considered a benefit. Would heavily depend on the rates of cancer or other harms vs.

I guess it's arguable whether better dental health, plus cancer, could be considered a benefit. Would heavily depend on the rates of cancer or other harms vs. the rates of improved dental health. Certainly without thinking too deeply about it, childhood cavities would seem vastly preferable to nearly any sort of cancer unless the risk is minuscule.