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Correlation between oral hygiene index and class 3 or 4 carries

Vaishnavi Devi B, Mahalakshmi J

Background: The ability to predict its preference may pave the way towards better coping strategies and help dentists in proper treatment decisions. Aim: The aim of this study is to assess the correlation between OHI and class 3 and 4 carries in patients visiting different outpatient departments of private dental college hospital, Chennai. Materials and method: All the cases referred from the month of September 2020 to February 2021 for class 3 and 4 caries were chosen for the study. Data was collected from the dental hospital record system. Result data was tabulated in excels and imported to SPSS for correlation and association. Chi square statistical test was performed for statistical significance. P<0.05 was considered to be the level of statistical significance in this study. Results: Within the limits of the present study, with an increasing score of oral hygiene index, the prevalence of caries also increases with high male preponderance among the age group of above 60 years. The probability value of the study is p=0.041 and hence the study is statistically significant. Conclusion: It was found that there is a significant correlation between oral hygiene index and class 3, 4 carries. Knowledge about the correlation between OHI and caries will be helpful to the clinician to plan the treatment protocol.