3
Acknowledgements
This manual was prepared by Dr P.E. Petersen, World Health Organization
(WHO), and Dr R.J. Baez, University of Texas Health Science Center at San
Antonio, Texas, USA.
WHO is grateful to Dr C. Scully, WHO Collaborating Centre for Oral Health-
General Health, University of Bristol, Bristol, UK, and Dr M. Valderrama,
Bogota, Colombia, for providing clinical photographs used in this manual to
facilitate the identifi cation of oral diseases.
Special thanks for technical advice are due to Dr E. D. Beltrán-Aguilar,
Division of Oral Health, Centers for Disease Control and Prevention, Atlanta,
Georgia, USA; Dr N. Jürgensen, WHO Collaborating Centre for Community
Oral Health Programmes and Research, University of Copenhagen, Copen-
hagen, Denmark; Dr H. Ogawa, WHO Collaborating Centre for Translation
of Oral Health Science, University of Niigata, Niigata, Japan; Dr AJ Rugg-
Gunn, Newcastle University UK; Dr J. Stjernswärd, WHO Collaborating
Centre for Education, Training and Research, Malmö University, Malmö,
Sweden, and Dr D.M. O’Mullane and Dr H.P. Whelton, WHO Collaborating
Centre for Oral Health Services Research, University of Cork, Cork, Ireland.
The survey tools have been fi eld tested in several countries around the
world. In particular, WHO thanks Dr U. Nyandindi, Ministry of Health,
National School Health Programme, Dar es Salaam, the United Republic of
Tanzania; Dr F. Kahabuka, WHO Collaborating Centre for Primary Oral
Health Care, Planning and Research, Muhimbili University of Health and
Allied Sciences, Dar es Salaam, the United Republic of Tanzania; Dr N.
Razanamihaja, University of Majunga, Majunga, the Republic of Madagascar;
Dr L. Rajab, University of Jordan, Amman, the Hashemite Kingdom of Jordan;
Dr A. Naseeb, Ministry of Health, the Kingdom of Bahrain; Dr L. Zhu, WHO
Collaborating Centre for Research and Training in Preventive Dentistry,
Peking University, Beijing, the People’s Republic of China; and Dr M.H.
Khoshnevisan, Ministry of Health, Teheran, the Islamic Republic of Iran.
WHO acknowledges the support of the Academy of Dentistry Interna-
tional in preparing survey summary tables.
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