%0 Journal Article %T Prevalence of First Permanent Molar Caries in and Its Relationship to the Dental Knowledge of 9¨C12-Year Olds from Jeddah, Kingdom of Saudi Arabia %A Khalid H. M. Al-Samadani %A Mohammad Sami Ahmad %J ISRN Dentistry %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/391068 %U http://dx.doi.org/10.5402/2012/391068