00551nam a22001457a 450000500170000002000210001702000240003808200220006210000300008424500410011426000660015530000400022150000550026165000890031620260611121903.0  a8185386986 (pbk)  a9788185386980 (pbk)  a614.59960723bORA  aWorld Health Organization  aOral health surveysb: basic methods  aNew DelhibA.I.T.B.S. Publishers & Distributors (Regd.)c1999  avii, 66  p.b: ill. ,Col.c; 24 cm.  aIncluded bibliographical references and appendices  aDental surveysaTeeth diseasesvOral diseasevFluoridesvHealthvMucosavFRAHSvIIDC