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Decay-missing-filled index : ウィキペディア英語版 | Decay-missing-filled index The decay-missing-filled (DMF) index or decayed, missing, and filled teeth (DMFT) index is one of the most common methods in oral epidemiology for assessing dental caries prevalence as well as dental treatment needs among populations. This index is based on in-field clinical examination of individuals by using a probe, mirror and cotton rolls, and simply counts the number of decayed, missing (due to caries only) and restored teeth. Another version counts each affected surface, yielding a decayed, missing, and filled surfaces (DMFS) index. Statistics are available per populations according age (e.g., "DMF of 12-year old children"). Because the DMF index is done without X-ray imaging, it underestimates real caries prevalence and treatment needs. ==See also==
* Dentistry * Epidemiology
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