This study will demonstrate oral health educational program to egyptian school girls age from 12-14 years old to evaluate the change in the knowledge, attitude and practice of oral health

According to World Dental Federation 2017 oral health is defined as multi-faceted and include the ability to speak, smile, smell, taste, chew, swallow, and convey a range of emotions through facial expressions with confidence and without pain, discomfort, and disease of the craniofacial complex .Oral disease constitute a significant public health problem in developing countries due to their high prevalence, economic consequence and negative impact on the quality of the life of affected individual.

Estrogen cause change in the blood vessels and progesterone stimulate the production of inflammatory mediators which lead to increase of gingival inflammation appear as gingival enlargement, increase in gingival bleeding and crevicular fluid flow and microbial changes.

The oral health education is important tool to make the primary level of prevention. So the benefits from health education is to improve knowledge and awareness of children which results on developing favorable oral behavior and so favorable oral health status.

.As the school is consider a place for gathering large number of children so it is ideal place for conducing successful health education.

this study will Identify baseline oral hygiene knowledge, attitude and practice among 12-14 years old school children. then Record oral hygiene status by oral hygiene index simplified after that assess the effectiveness of oral health education in modifying oral health knowledge, attitude and practice

Inclusion Criteria:

• girls age 12 - 14 years old

Exclusion Criteria:

• refusal to participate in the research

consecutive convenient sampling recruiting all girls attending the school in that day

due to financial issue