Background and Objective : One of the criteria of public health assessment is oral health. DMFT index (Decayed, Missing and Filled Teeth) is considered as an indicator of oral health and periodontal diseases.­We aimed at investigating the oral health status of primary school students of in Saveh,Iran.

  Material and Methods: In this cross-sectional study, 810 primary school students were assigned by multistage sampling. The instruments were a demographic questionnaire and oral examination based on DMFT index, according to the world health organization criteria. The data were analyzed by SPSS version 14, using descriptive and analytical tests and (P<0.05).

  Results: The Average DMFT is 7.8±3.2.The results show that­ 42.1% of students brush their teeth once a day,­­48.3% of them use mouthwash and 1.2% need an immediate dental treatment. There is significant relationship between age, gender and frequency of brushing and DMFT index(P<0.05).

  Conclusion: The prevalence of dental caries among primary school students of Saveh is greater than the world health organization standards, therefore correct planning is necessary to improve the present condition.

  Background and Objective : Young people are the major group at risk of acquiring AIDS worldwide. It is one of the health problems in the world and in the developing countries in particular. We aimed to assess the knowledge and attitude of students of the Islamic Azad University, Saveh Branch, about HIV/AIDS.

  Materials and methods : This cross-sectional study was conducted on 666 students selected by cluster random sampling in 2009-2010. Instrument was a research-made questionnaire including three parts: demographic, knowledge and attitude toward AIDS. Data were analyzed by Chi-Square and Fisher’s Exact Test using SPSS -15.

  Results : Most of the subjects (48.9%) are in 20-25 age bracket and 54.4% are females. The knowledge of 14.9% is good and 68.8% moderate 63.1% of them have negative attitude. Most students (80.6%) indicate that they have been informed about AIDS via mass-media (TV, radio) and 54.4% have not had any contact with AIDS. There is significant relation between knowledge level and sex and information sources (P<0.001) attitude level and sex, and also knowledge and attitude level (P<0.001).

  Conclusion : Overall, the majority have not adequate knowledge and positive attitude of basic HIV/AIDS. Since mass-media have the most effect on AIDS, paying attention to quantity and quality of programs and any other sources is an educational necessity.