Aim: To assess and compare the role of IQ on anxiety and behavior of children with and without hearing and speech impairment. Material and methods: A total of 120 children of age group 7–14 years were included in the study, of which control group comprised of 60 normal healthy children and 60 hearing and speech impaired children formed the study group. The study was done in two consecutive sessions. First appointment for Culture Fair Intelligence Test and second appointment for RMS pictorial anxiety score (RMS-PS) and Frankl behavior rating which were assessed during oral prophylaxis. Results: IQ of children with hearing and speech impairment was lower as compared to normal healthy children. There was a positive correlation between IQ and anxiety in children with hearing and speech impairment while no correlation was found with behavior. Conclusion: Children with hearing and speech impairment are less anxious and more cooperative compared to normal healthy child in the dental setting and are, therefore, easier to manage. © 2018 Special Care Dentistry Association and Wiley Periodicals, Inc.