Teaching staff and students of the fifth grade of the College of Dentistry - University of Duhok to the Zereen in the Center of Duhok Province, started giving instructions and advice on how to protect teeth from decay and periodontics diseases, teaching students how to clean their teeth, Distributing toothpaste and toothbrushes to school students.Teaching staff and students of the fifth grade of the College of Dentistry - University of Duhok to the Zereen in the Center of Duhok Province, started giving instructions and advice on how to protect teeth from decay and periodontics diseases, teaching students how to clean their teeth, Distributing toothpaste and toothbrushes to school students.