WHO Oral Health Survey, sampling, calibration, and bias
Core Dentistry Note · TOPIC 05 Survey Methods in Dentistry WHO Oral Health Survey, sampling, calibration, and bias A dental survey is a counting exercise dressed up as research. The hard parts are not the clinical examinations — they are the decisions made before anyone picks up a probe: who gets sampled, at what ages, with which instruments, by examiners trained to agree with each other. Every shortcut at this stage is paid back later as bias the analysis cannot rescue. This note pulls together the WHO Oral Health Surveys: Basic Methods (5th edition, 2013) framework, the sampl…
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