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DMFT Index Calculator

D
M
F

Result

Calculated result 6 Based on the values entered.
↗ Health

DMFT Index Calculator (Dental Caries) DMFT Index Calculator (Dental Caries) is a health and wellness calculator that helps you calculate dmft index calculator (dental caries) values from your input data. The formula used is: DMFT = Decayed + Missing + Fil — free online calculator.

Formula

DMFT = Decayed + Missing + Filled permanent teeth
  • DMFT Index Calculator calculates its result from Decayed Teeth (D), Missing due to Caries (M), Filled Teeth (F). It uses the formula DMFT = Decayed + Missing + Filled permanent teeth. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Decayed Teeth, Missing due to Caries, Filled Teeth. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: DMFT Index

Inputs
  • Decayed Teeth: 2
  • Missing due to Caries: 1
  • Filled Teeth: 3

Using Decayed Teeth (D) = 2, Missing due to Caries (M) = 1, Filled Teeth (F) = 3, the calculated result is 6.

Sample result: Calculating…

Frequently asked questions

What does the DMFT Index calculate?

DMFT Index Calculator (Dental Caries) DMFT Index Calculator (Dental Caries) is a health and wellness calculator that helps you calculate dmft index calculator (dental caries) values from your input data. The formula used is: DMFT = Decayed + Missing + Fil — free online calculator.

Which values should I enter?

Enter Decayed Teeth, Missing due to Caries, Filled Teeth using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: DMFT = Decayed + Missing + Filled permanent teeth.

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026