Which statement describes active caries that is a cavity (Score 3)?

Which statement describes active caries that is a cavity (Score 3)?

• A. Cavity easily visible with the naked eye; surface feels soft or leathery on gentle probing.
• B. Cavity not visible; only color change.
• C. Cavity in dentin but surface hard to touch.
• D. There is no cavity present.

Answer: (A)

The main idea here is identifying a cavitated lesion that is actively progressing. An active caries lesion that has formed a cavity is typically easy to see with the naked eye, and when you gently probe the surface, it feels soft or leathery. That softness indicates that the demineralization and bacterial activity have weakened the dentin, so the lesion is not just a superficial color change but a live, progressing decay that needs treatment. Why this option fits best: visible cavitation confirms a break in the hard surface, and a soft or leathery feel on probing reinforces that the lesion is active and demineralizing. This combination signals ongoing decay rather than a noncavitated or arrested state. Why the other descriptions don’t fit as active cavitated caries: color change without a visible cavity suggests a non-cavitated or early lesion, not an actual cavity. A cavity in dentin with a surface hard to touch implies the surface is resistant, which is more consistent with arrested or slowly progressing caries. No cavity present means there’s no cavitation at all, which cannot describe an active cavitated lesion.

The main idea here is identifying a cavitated lesion that is actively progressing. An active caries lesion that has formed a cavity is typically easy to see with the naked eye, and when you gently probe the surface, it feels soft or leathery. That softness indicates that the demineralization and bacterial activity have weakened the dentin, so the lesion is not just a superficial color change but a live, progressing decay that needs treatment.

Why this option fits best: visible cavitation confirms a break in the hard surface, and a soft or leathery feel on probing reinforces that the lesion is active and demineralizing. This combination signals ongoing decay rather than a noncavitated or arrested state.

Why the other descriptions don’t fit as active cavitated caries: color change without a visible cavity suggests a non-cavitated or early lesion, not an actual cavity. A cavity in dentin with a surface hard to touch implies the surface is resistant, which is more consistent with arrested or slowly progressing caries. No cavity present means there’s no cavitation at all, which cannot describe an active cavitated lesion.