Author/Authors :
Ghasemi, Hadi Department of Community Oral Health - School of Dentistry - Shahid Beheshti University of Medical Sciences, Tehran, Iran , Masoudirad, Azadeh Department of Community Oral Health - School of Dentistry - Shahid Beheshti University of Medical Sciences, Tehran, Iran
Keywords :
Environmental health , dental , School , Wastewater , heavy , Metals