Cariology - Tozzi Tidbits
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Created by:
cheslington on November 23, 2011
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13 terms
Terms | Definitions |
|---|---|
 Prevalence | The number of individuals with disease in a population at a specific point in time |
| Incidence | the number of individuals who experience new disease during a specific time period |
| Trends | changes in difference in the prevalence and incidence of disease with respect to time, location, or socioeconomics |
| Short duration | incidence and prevalence are identical |
| Long duration | prevalence is much higher than the incidence |
| Index | a standard method of rating a disease or a scale |
| Validity | Measures what was intended |
| Reliability | Reproducible - different examiners should be able to interpret the index the same way |
| Clarity | Clearly stated criteria, simple to use |
| Quantifiable | able to be numerically analyzed and expressed by distribution, mean, median, etc |
| Sensitivity | an index should be able to identify small shifts in the condition being sutdied |
| Acceptability | should be neither time demanding not demeaning to the study subjects |
| DMF/dmf index | the M and F components are historical markers of the presence of past disease. D = active disease. DMF overstates the prevalence of active caries |
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