Indices, biostatistics, community programs
DMFT = permanent teeth. deft = primary teeth. OHI-S = Greene & Vermillion (DI-S + CI-S). CPI = Community Periodontal Index (WHO probe). GI = Loe & Silness. PI = Silness & Loe.
Optimal = 0.7ppm. Certainly Lethal Dose = 32-64 mg/kg. Safely Tolerated Dose = CLD/4. Chronic toxicity = Fluorosis (dental/skeletal). Dean's Index for fluorosis assessment.
Mean = average. Median = middle value. Mode = most frequent. SD = 1SD = 68%, 2SD = 95%, 3SD = 99.7%. Chi-square = for categorical data. t-test = for means (2 groups). ANOVA = for means (>2 groups).
Cross-sectional = prevalence. Case-control = odds ratio (retrospective). Cohort = relative risk (prospective). RCT = gold standard. Sensitivity = true positive rate. Specificity = true negative rate.
NOHP (National Oral Health Program). Ayushman Bharat. School dental health programs. WHO Basic Package of Oral Care (BPOC).