CPO-D índice cárie
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The CPO-D (Caries Index) calculator assesses the average number of carious (C), missing due to caries (P), and filled teeth (O) in a population group. It is a key indicator for dental caries prevalence in epidemiological studies and public health planning.
The calculation sums C, P, and O values for each individual in the sample and divides by the total number of participants. For example, if 10 people have C+P+O = 50, the average is 5. The tool automates this process by displaying the group average once data is input.
This tool is widely used in dental research, clinical evaluations, and health monitoring. It helps compare caries burden across regions, age groups, or post-preventive interventions. Data collection must follow standardized protocols to ensure accuracy.
Note: CPO-D reflects group averages, not individual severity. Small sample sizes may not represent the population accurately. Always validate data collection methods and consult healthcare professionals for interpretation.
Frequently asked questions
What does each component of the CPO-D mean?
C = Carious teeth, P = Teeth lost due to caries, O = Filled teeth. The sum of these values per person is analyzed to calculate the group average.
How does the calculator compute the group average?
The average is calculated by summing all participants' C+P+O and dividing by the total number of people in the sample.
For which groups is this tool recommended?
It is used in population studies, dental clinics, and public health research to assess caries burden in representative samples.
Do I need a large sample size for accurate results?
Smaller samples may yield imprecise results. Follow statistical sampling guidelines for greater validity.