Objectives: The purpose of the study was to evaluate the oral hygiene status on (50) Egyptian 
children with autism. Materials and methods: Examination and Detection of the status of oral 
hygiene by using simplified oral hygiene index which were done by two pediatric dentists with at 
least 5 years of experience with dental mirror, dental explorer and portable light source Results: The 
OHI-S scoring showed that 100% of autistic patients of the current study have poor oral hygiene.
Conclusion: Autistic patients in Egypt required more dental services that should be provided by 
experienced dental professionals