- Email: [email protected]
EDITOR
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THE JOURNAL OF THE AMERICAN DENTAL ASSOCIATION
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D
AL
EDITOR
EDITORIAL BOARD
Lawrence H. Meskin, D.D.S., M.S.D., M.P.H., Ph.D. Professor, School ofDentistry, University ofColorado Health Sciences Center, Denver
Daniel M. Castagna, D.D.S. Assistant clinical professor, University of the Pacific, Stockton, Calif.
ASSOCIATE EDITORS Cosmetic and Esthetic Dentistry Jacqueline Dzierzak, D.M.D. Private practitioner, Chicago Dentistry and Medicine Michael Glick, D.M.D. Director, Programs for Medically Complex Patients, University of Pennsylvania School of Dental Medicine, Philadelphia BiomaterialslRestorative Dentistry Karl F. Leinfelder, D.M.D. Professor emeritus, Department ofBiomaterials, University of Alabama School of Dentistry, Birmingham; consultant, Chapel Hill, N.C. Pharmacology Paul A. Moore, D.M.D., Ph.D. Professor, Pharmacology, Department of Dental Public Health, University of Pittsburgh, School of Dental Medicine, Pittsburgh Practice Management Leslie W. Seldin, D.D.S. Private practitioner, New York
Gordo:Christensen, D.D.S., MoS.D., Ph.D. Co-founder and senior consultant, Clinical Research Associates, Oral Health Institute, Provo, Utah Anthony DiAngelis, D.M.D., M.P.H. Chief ofDentistry, Hennepin County Medical Center, Minneapolis; professor, University ofMinnesota School ofDentistry, Minneapolis Mm:jorie Jeffcoat, D.M.D. Chairperson, Department ofPeriodontics, University of Alabama School of Dentistry, Binningham Dushanka Kleinman, D.D.S., MoSc.D. Deputy director, National Institute of Dental Research, Bethesda, Md.
Irwin Mandel, D.D.S. Professor emeritus, Columbia University School of Dental and Oral Surgery, New York John Molinari, Ph.D. Chairperson, Department ofBiomedical Sciences, University ofDetroit Mercy School of Dentistry, Detroit Linda Niessen, D.M.D., M.P.H., M.P.P. Chairperson, Department of Public Health Sciences, Baylor College ofDentistry, Dallas Michael T. Rainwater, D.M.D. Private practitioner, Riverdale, Ga. Cherilyn G. Sheets, D.D.S. Clinical professor, Department of Restorative Dentistry, University of Southern California School of Dentistry, Los Angeles; co-founder, Sheets & Paquette Dental Practice, Newport Beach, Calif.
SUBSCRIPTION INFORMATION
Nonmember subscription inquiries and requests for back issues should be addressed to Subscription Department, ADA Publishing Co., Inc., 1-312-440-2867. Association members should address all inquiries to Department of Membership, American Dental Association, 1-312-440-2614. The Journai ofthe American Dental Association, JADA (ISSN 0002-8177), is publisbed monthly by ADA Publishing Co., Inc., 211 E. Chicago Ave., Chicago, ill. 60611, phone 1-312-440-2785, fax 1-312-440-3538. Printed in USA. Periodical postage paid at Chicago and at additional mailing office. Subscription for members $25 (dues allocation). Nonmember subscription rates: United States, U.S. possessions and Mexico-individual, $90; institution, $110 per year. Foreign-individual, $115; institution, $140 per year. Canada-individual, $100; institution $125 per year. Single copy rates: United States, $10; outeide U.S., $17. Airmail delivery to U.s. territories, Canada and Mexico $25 n forolgn $100 a year. Copyright 1998 American Dental Association. All righte reserved. Postmaater; send addroolq manges 10 Tho Journal oft1je Ameri" can Dental Aso.ocintion (JADAl, 211 E. Chicago Ave.• Chicogo, Ill. 60611 1 month before tho efTOOive date ofchange. For nil Japanese sub",,"ption orders, pleaso cohta~ Mll.rU1.en Co. Ltd. 3-10, Nihonbashi 2-Chome, ChuOoku, 'Ibkyo lOS Japan. Available on CD·ROM (1590-1997 issues). .• ADA Headquarters: The central telephone number is 1-312-440-2500. The ADNs toll-free phone number can be found on the back of your membership card. ADA ONLINE Intemet address: ''http://www.ada.org''. BPA Member Business Publications Audit.
year.
e
Cover illustration by Peter Solarz.
JADA, Vol. 129, September 1998 1181
THE JOURNAL OF THE AMERICAN DENTAL ASSOCIATION
-
D
AL
EDITOR
EDITORIAL BOARD
Lawrence H. Meskin, D.D.S., M.S.D., M.P.H., Ph.D. Professor, School ofDentistry, University ofColorado Health Sciences Center, Denver
Daniel M. Castagna, D.D.S. Assistant clinical professor, University of the Pacific, Stockton, Calif.
ASSOCIATE EDITORS Cosmetic and Esthetic Dentistry Jacqueline Dzierzak, D.M.D. Private practitioner, Chicago Dentistry and Medicine Michael Glick, D.M.D. Director, Programs for Medically Complex Patients, University of Pennsylvania School of Dental Medicine, Philadelphia BiomaterialslRestorative Dentistry Karl F. Leinfelder, D.M.D. Professor emeritus, Department ofBiomaterials, University of Alabama School of Dentistry, Birmingham; consultant, Chapel Hill, N.C. Pharmacology Paul A. Moore, D.M.D., Ph.D. Professor, Pharmacology, Department of Dental Public Health, University of Pittsburgh, School of Dental Medicine, Pittsburgh Practice Management Leslie W. Seldin, D.D.S. Private practitioner, New York
Gordo:Christensen, D.D.S., MoS.D., Ph.D. Co-founder and senior consultant, Clinical Research Associates, Oral Health Institute, Provo, Utah Anthony DiAngelis, D.M.D., M.P.H. Chief ofDentistry, Hennepin County Medical Center, Minneapolis; professor, University ofMinnesota School ofDentistry, Minneapolis Mm:jorie Jeffcoat, D.M.D. Chairperson, Department ofPeriodontics, University of Alabama School of Dentistry, Binningham Dushanka Kleinman, D.D.S., MoSc.D. Deputy director, National Institute of Dental Research, Bethesda, Md.
Irwin Mandel, D.D.S. Professor emeritus, Columbia University School of Dental and Oral Surgery, New York John Molinari, Ph.D. Chairperson, Department ofBiomedical Sciences, University ofDetroit Mercy School of Dentistry, Detroit Linda Niessen, D.M.D., M.P.H., M.P.P. Chairperson, Department of Public Health Sciences, Baylor College ofDentistry, Dallas Michael T. Rainwater, D.M.D. Private practitioner, Riverdale, Ga. Cherilyn G. Sheets, D.D.S. Clinical professor, Department of Restorative Dentistry, University of Southern California School of Dentistry, Los Angeles; co-founder, Sheets & Paquette Dental Practice, Newport Beach, Calif.
SUBSCRIPTION INFORMATION
Nonmember subscription inquiries and requests for back issues should be addressed to Subscription Department, ADA Publishing Co., Inc., 1-312-440-2867. Association members should address all inquiries to Department of Membership, American Dental Association, 1-312-440-2614. The Journai ofthe American Dental Association, JADA (ISSN 0002-8177), is publisbed monthly by ADA Publishing Co., Inc., 211 E. Chicago Ave., Chicago, ill. 60611, phone 1-312-440-2785, fax 1-312-440-3538. Printed in USA. Periodical postage paid at Chicago and at additional mailing office. Subscription for members $25 (dues allocation). Nonmember subscription rates: United States, U.S. possessions and Mexico-individual, $90; institution, $110 per year. Foreign-individual, $115; institution, $140 per year. Canada-individual, $100; institution $125 per year. Single copy rates: United States, $10; outeide U.S., $17. Airmail delivery to U.s. territories, Canada and Mexico $25 n forolgn $100 a year. Copyright 1998 American Dental Association. All righte reserved. Postmaater; send addroolq manges 10 Tho Journal oft1je Ameri" can Dental Aso.ocintion (JADAl, 211 E. Chicago Ave.• Chicogo, Ill. 60611 1 month before tho efTOOive date ofchange. For nil Japanese sub",,"ption orders, pleaso cohta~ Mll.rU1.en Co. Ltd. 3-10, Nihonbashi 2-Chome, ChuOoku, 'Ibkyo lOS Japan. Available on CD·ROM (1590-1997 issues). .• ADA Headquarters: The central telephone number is 1-312-440-2500. The ADNs toll-free phone number can be found on the back of your membership card. ADA ONLINE Intemet address: ''http://www.ada.org''. BPA Member Business Publications Audit.
year.
e
Cover illustration by Peter Solarz.
JADA, Vol. 129, September 1998 1181