Background: Diabetes mellitus (DM) is a chronic systemic metabolic disease characterized by abnormally high blood glucose levels. The present study was conducted to assess cases of type I diabetes mellitus and oral health status in children. Materials & Methods: 82 children age ranged 8-16 years of both genders were selected. Diagnosis of dental caries decayed, missing, and filled surfaces/decayed and filled surfaces was done. Blood samples were collected and HbA1c values measured. Results: There were 14 controlled diabetics and 68 uncontrolled diabetics. The mean dfs score in diabetics was 0.612 and in uncontrolled diabetics was 0.431, mean plaque score was 0.71 and 0.89 in controlled and uncontrolled diabetics and mean gingival score was 0.056 and 0.215 in controlled and uncontrolled diabetics. The difference was nonsignificant (P> 0.05) Conclusion: No difference in dfs score, plaque score and gingival score in controlled and uncontrolled diabetics was observed.