00310nam a22001217a 4500003000400000020001800004082001800022100001600040245003200056260006000088300001200148650002800160SGT  a9781416062851  a617.601bH08H  a Harry Dym   aHandbook of Dental Practice  aLondon, United Kingdomb Elsevier Health Sciencesc2008  a469-682  aPUBLIC HEALTH DENTISTRY