Investigation of DMFT & OHI-S Indices in Students of Alborz University of Medical Sciences in 2018

DMFT index and Oral Hygiene Index Simplified (OHI-S) are diagnostic indicators of oral health. The aim of this study was to determine the DMFT and OHI_S indexes at Alborz University of Medical Sciences in 2018.

This cross-sectional descriptive-analytic study was conducted among 381 students of Alborz University of Medical Sciences during the academic year of 2018. The numbers of decayed, filled and missing teeth were recorded. Students were also evaluated for the debris and calculus index.

In this study, 38.1% of the subjects were males with an average age of 20.51±2.01 years old and 61.9% were females with an average age of 20.59±2.2 years old. The average of DMFT index in students was 6.48±3.4, which the highest DMFT index was related to the number of decayed teeth. The mean OHI-S index of the subjects was 0.66±0.63, which 84.3% of students had a good status, 15.5% moderate and 0.2% had a bad condition. There was no significant difference between boys and girls regarding DMFT and OHI-S indexes (P>0.05). The relationship between the numbers of studentschr('39') brushing was reversed with DMFT and OHI-S indexes, but this relationship was not statistically significant (P>0.05). There was a significant difference in DMFT and OHI-S indexes between students’ different educational fields.

The results of this study showed that the students were desirable condition in OHI-S index and relatively favorable in the DMFT index.