Question

Di-S score is 0.6, CI-S score is 0.7. What is the interpretation for OHI-S from this data?

• A. Good
• B. Excellent
• C. Fair
• D. Poor

Hint:

A "fair" OHI-S score indicates that the individual has a moderate level of oral hygiene, which may require improvement through better brushing and flossing habits.

Answer 1

The Correct Option is C

To interpret the Oral Hygiene Index-Simplified (OHI-S) score from the given data, we use the Debris Index-Simplified (DI-S) and Calculus Index-Simplified (CI-S) scores. The OHI-S is a combination of these two scores and is calculated as follows:

OHI-S = DI-S + CI-S

Given:

• DI-S score = 0.6
• CI-S score = 0.7

Therefore, OHI-S = 0.6 + 0.7 = 1.3

According to the interpretation of OHI-S scores:

• 0.0 – 1.2: Good
• 1.3 – 3.0: Fair
• 3.1 – 6.0: Poor

Since the calculated OHI-S score is 1.3, it falls in the range of 1.3 to 3.0, which corresponds to a "Fair" oral hygiene status.

Conclusion: The correct interpretation for the OHI-S given this data is "Fair."