Differences in OHI-S Children with Mental Disabilities at SLB N 2 Jambi City with Children with Mental Disabilities at SLBN Sungai Penuh

Background: Children with Special Needs (ABK) are at high risk who have chronic physical, developmental, behavioral or emotional conditions that require assistance in maintaining dental and oral hygiene. Indicators of the degree of maintaining dental and oral hygiene with an average Oral Hygiene Index Simplified (OHI-S) <1.2 which is obtained by adding the debris index and calculus index numbers. The purpose of this study was to determine the difference in OHI-S in mentally retarded children at SLB N 2 Jambi City and mentally retarded children at SLB N Sungai Penuh in 2024.Method: This study design used a cross-sectional method. Data were obtained from 32 mentally retarded students at SLB N 2 Jambi City and 30 mentally retarded students at SLB N Sungai Penuh. Univariate data were analyzed descriptively and bivariately with the Man Withney test. Result: The results of the study obtained data that the OHI-S description of mentally retarded children at SLB N 2 Jambi City was mostly good criteria (68.8%), moderate criteria (28.1%) and poor criteria (3.1%), while at SLB N Sungai Penuh the most were moderate criteria (73.3%), poor criteria (16.7%) and good criteria (10.0%). There was a significant difference between the OHI-S of mentally retarded children at SLB N 2 Jambi City and mentally retarded children at SLB N Sungai Penuh in 2024.Conclusion: There is a significant difference between the OHI-S of mentally retarded children at SLB N 2 Jambi City and mentally retarded children at SLB N Sungai Penuh in 2024.