In the DMFS index, what does the 'S' denote?

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Enhance your ADHP Cariology knowledge with our quiz. Study with flashcards and multiple choice questions. Each question includes hints and detailed explanations to help you prepare effectively and ace your exam!

Multiple Choice

In the DMFS index, what does the 'S' denote?

Explanation:
The unit being tested is that caries experience is measured by the number of affected tooth surfaces, not just by counting teeth. In DMFS, each tooth can have multiple surfaces (such as mesial, distal, facial/labial, lingual, and occlusal), and caries status is tallied for each surface separately. The S in DMFS stands for Surfaces, indicating that the index sums decayed, missing, and filled surfaces across the entire dentition. This surface-level approach makes the index more precise and sensitive than counting teeth alone—e.g., a molar with decay on two surfaces contributes two to the decayed surfaces count.

The unit being tested is that caries experience is measured by the number of affected tooth surfaces, not just by counting teeth. In DMFS, each tooth can have multiple surfaces (such as mesial, distal, facial/labial, lingual, and occlusal), and caries status is tallied for each surface separately. The S in DMFS stands for Surfaces, indicating that the index sums decayed, missing, and filled surfaces across the entire dentition. This surface-level approach makes the index more precise and sensitive than counting teeth alone—e.g., a molar with decay on two surfaces contributes two to the decayed surfaces count.

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