aim of the study:

1. to assess, investigate, and compare the oral health status and oral health related quality of life of a group of hemophilic Egyptian children before and after an oral health educational program
2. evaluate the effectiveness of oral health educational programs on the oral health status of the Egyptian hemophilic children

benefits to patients: oral health awareness and change in the oral care levels with methods that match their health needs benefits to clinician: better understanding of the oral conditions associated with hemophilic patients, and their effects on oral health benefits to community: improvement of children's oral health, oral health awareness, promoting the importance of regular dental check ups for children with hemophilia

In a non randomized clinical trial, Egyptian hemophilic children will be submitted to this trial to assess and measure their oral health status and oral health related quality of life prior to an oral health educational program. two groups will be formulated; the hemophilic group that will take the oral health educational program and the control group (other group) wont be taking the oral health educational program, then control will be given the oral health educational program after the follow up period for a better oral health in the hemophilic community. the oral health status will be recorded using two indices; DMF and def Caries indices and the oral hygiene index simplified (OHI-S) at baseline and at 8 months follow up period. bimonthly visits will be scheduled to check on the hemophilic children oral health and following up on given oral hygiene instructions. the oral health educational program is a tailored program guided by the American academy of pediatric dentistry, the oral considerations in the world federation of hemophilia , and oral care program of the Egyptian society of hemophilia in Egypt. diet counselling will be given. after the 8 months following the oral health educational program, oral health status and oral health related quality of life will be measured in both group and the results will be recorded. Aim of the study is a better oral health care and better understanding on how to apply oral hygiene measures correctly in hemophilic children.

Inclusion Criteria:

• both sexes having hemophilia A,B or C
• no associated co morbid diseases
• mild, moderate and severe forms of hemophilia
• children whose parents agreed to participate in the study

Exclusion Criteria:

• patients with psychiatric disorders
• children whose parents refused to participate in the study
• patients using drugs( as cyclosporine, phenytoin) inducing periodontal problems

Individual participant data (IPD) will not be shared. No supporting documents will be made publicly available.