Interactive tools and visualizations designed specifically for dental research. From basic descriptive statistics to advanced survival analysis.
Interactive simulations — click and explore statistical concepts through beautiful animations
Watch sample means converge to a normal distribution — regardless of the population shape
Samples
0
Grand Mean
-
Click Start to Begin
Watch the Central Limit Theorem in action
Sample means gradually form a bell curve — the heart of the Central Limit Theorem
See why "95% confident" means 95% of intervals capture the true mean
Captured
0
Total
0
Capture Rate
0%
Click cards to launch interactive visualizations
Practical tools for dental research calculations
Calculate required sample size for comparing two proportions (e.g., treatment vs control).
Required sample size per group:
0
Total: 0 patients
Calculate Sensitivity, Specificity, PPV, and NPV for diagnostic tests (e.g., caries detection).
Sensitivity
-%
Specificity
-%
PPV
-%
NPV
-%
Calculate 95% CI for proportions (e.g., prevalence of periodontal disease).
Calculate Odds Ratio and Relative Risk for case-control or cohort studies.
Compare means between two independent groups (e.g., plaque index before/after treatment).
Calculate survival probability using Kaplan-Meier method (e.g., implant survival).