Abscesses and fistulae may be present; the patient may experience pain, but young children may be unable to verbalize it. Which caries category matches this description?

• A. Early ECC
• B. Advanced ECC
• C. Early aggressive ECC
• D. Moderate ECC

Answer: (C)

This item tests recognizing a rapid, aggressive pattern of decay in young children where infection reaches the pulp quickly and can form abscesses or fistulae, with pain that a kid may not be able to verbalize. The signs described—abscesses and fistulae—point to early pulp and periapical infection, which is a hallmark of early aggressive ECC. In contrast, the other categories describe less rapid progression or extensive destruction without the hallmark fast, pulp-involved course. So the combination of rapid progression, pulp involvement, and possible periapical infection best fits the early aggressive form of ECC.