The dental caries is an example of which index?

The dental caries is an example of which index?

• A. Simple index
• B. Cumulative index
• C. Irreversible index
• D. Global index

Answer: (B)

The main idea here is how disease experience is captured over time. Caries experience is tracked using a cumulative measure, such as the DMF index, which sums all past and present caries events for an individual. As people age, new instances of decay, tooth loss due to caries, or fillings add to the total, and those past events stay represented in the record. That makes it a cumulative index—it reflects lifetime caries experience rather than just a single point in time. A simple index would only count whether caries is present now, at one moment. A global index combines multiple conditions into one overall score, which isn’t what this caries measure is designed to do. While irreversible in the sense that past events contribute to the history, the defining characteristic for this measure is that it accumulates across time to reflect lifetime caries experience.

The main idea here is how disease experience is captured over time. Caries experience is tracked using a cumulative measure, such as the DMF index, which sums all past and present caries events for an individual. As people age, new instances of decay, tooth loss due to caries, or fillings add to the total, and those past events stay represented in the record. That makes it a cumulative index—it reflects lifetime caries experience rather than just a single point in time.

A simple index would only count whether caries is present now, at one moment. A global index combines multiple conditions into one overall score, which isn’t what this caries measure is designed to do. While irreversible in the sense that past events contribute to the history, the defining characteristic for this measure is that it accumulates across time to reflect lifetime caries experience.