Fifteen years after a single sealant application, what percentage of sealed surfaces remained sound?

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Multiple Choice

Fifteen years after a single sealant application, what percentage of sealed surfaces remained sound?

The main idea here is the long-term durability and caries-preventive effect of pit-and-fissure sealants. Fifteen years after a single application, about two-thirds of sealed surfaces remained sound, specifically around 69%, meaning they stayed caries-free and did not need restoration. This shows that sealants can provide substantial protection well beyond the initial placement. The remaining surfaces (roughly 31%) developed caries or required restoration, which can happen if the sealant is lost, marginal leakage occurs, or caries progresses despite sealing. Overall, the data reinforce that a single sealant can offer enduring protection, though longevity varies with technique, material, and individual oral factors.

The main idea here is the long-term durability and caries-preventive effect of pit-and-fissure sealants. Fifteen years after a single application, about two-thirds of sealed surfaces remained sound, specifically around 69%, meaning they stayed caries-free and did not need restoration. This shows that sealants can provide substantial protection well beyond the initial placement. The remaining surfaces (roughly 31%) developed caries or required restoration, which can happen if the sealant is lost, marginal leakage occurs, or caries progresses despite sealing. Overall, the data reinforce that a single sealant can offer enduring protection, though longevity varies with technique, material, and individual oral factors.

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