- Email: [email protected]
EDITOR
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THE JOURNAL OF THE AMERICAN DENTAL ASSOCIATION
fA
-D
At
EDITOR
EDITORIAL BOARD
Lawrence H. Meskin, D.D.S., M.S.D., M.P.H., Ph.D.
Daniel M. Castagna, D.D.S.
Professor, School of Dentistry, University of Colorado Health Sciences Center, Denver
Assistant clinical professor, University of the Pacific, Stockton, Calif.
Gordon Christensen, D.D.S., M.S.D., Ph.D.
Co-founder and senior consultant, Clinical Research Associates, Oral Health Institute, Provo, Utah
ASSOCIATE EDITORS BiomaterialslRestorative Dentistry Karl F. Leinfelder, D.M.D.
Professor emeritus, Department of Biomaterials, University of Alabama School of Dentistry, Birmingham; consultant, Chapel Hill, N.C.
Cosmetic and Esthetic Dentistry Jeff Morley, D.D.S. Private practitioner, San Francisco
Dentistry and Medicine Michael Glick, D.M.D.
Anthony DiAngelis, D.M.D., M.P.H.
Chief of Dentistry, Hennepin County Medical Center, Minneapolis; professor, University of Minnesota School ofDentistry, Minneapolis
MaIjorie Jeffcoat, D.M.D.
Chairperson, Department of Periodontics, University of Alabama School of Dentistry, Birmingham
Dushanka Kleinman, D.D.S., M.ScD.
Deputy director, National Institute of Dental and Craniofacial Research, Bethesda, Md.
Irwin Mandel, D.D.S. Professor emeritus, Columbia University School of Dental and Oral Surgery, New York
Director, Programs for Medically Complex Patients, University of Pennsylvania School of Dental Medicine, Philadelphia
John Molinari, Ph.D.
Pharmacology Paul A. Moore, D.M.D., Ph.D.
Linda Niessen, D.M.D., M.P.H., M.P.P.
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
Chairperson, Department of Biomedical Sciences, University of Detroit Mercy School of Dentistry, Detroit
Chairperson, Department of Public Health Sciences, Baylor College of Dentistry, 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 Journal of the American Dental Association, JADA (ISSN 0002-8177), is published monthly by ADA Publishing Co., Inc., 211 E. Chicago Ave., Chicago, 1I1. 60611, phone 1-312-440-2785, fax 1-312-440-3538. Printed in USA. Periodical postage paid at Chicago and at additional mailing offices. Subscription for members $25 (dues allocation). Nonmember subscription rates: United States, U.S. possessions and Mexico-individual, $95; institution, $115 per year. Foreign-individual, $120; institution, $145 per year. Canada-individual, $105; institution, $130 per year. Single copy rates: United States, $11; outside U.S., $18. Airmail delivery to U.S. territories, Canada and Mexico, $25 a year, foreign, $100 a year. Copyright © 1999 American Dental Association. All rights reserved. Postmaster: send address changes to The Journal ofthe American Dental Association (JADA), 211 E. Chicago Ave., Chicago, III. 60611 one month before the effective date of change. For all Japanese subscription orders, please contact Maruzen Co. Ltd. 3-10, Nihonbashi 2-Chome, Chuo-ku, Tokyo 103 Japan. Available on CD-ROM (1990-1997 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 Internet address: ''http://www.ada.org''. BPA Member Business Publications Audit. Cover illustration by Peter Solarz.
JADA, Vol. 130, January 1999 5
THE JOURNAL OF THE AMERICAN DENTAL ASSOCIATION
fA
-D
At
EDITOR
EDITORIAL BOARD
Lawrence H. Meskin, D.D.S., M.S.D., M.P.H., Ph.D.
Daniel M. Castagna, D.D.S.
Professor, School of Dentistry, University of Colorado Health Sciences Center, Denver
Assistant clinical professor, University of the Pacific, Stockton, Calif.
Gordon Christensen, D.D.S., M.S.D., Ph.D.
Co-founder and senior consultant, Clinical Research Associates, Oral Health Institute, Provo, Utah
ASSOCIATE EDITORS BiomaterialslRestorative Dentistry Karl F. Leinfelder, D.M.D.
Professor emeritus, Department of Biomaterials, University of Alabama School of Dentistry, Birmingham; consultant, Chapel Hill, N.C.
Cosmetic and Esthetic Dentistry Jeff Morley, D.D.S. Private practitioner, San Francisco
Dentistry and Medicine Michael Glick, D.M.D.
Anthony DiAngelis, D.M.D., M.P.H.
Chief of Dentistry, Hennepin County Medical Center, Minneapolis; professor, University of Minnesota School ofDentistry, Minneapolis
MaIjorie Jeffcoat, D.M.D.
Chairperson, Department of Periodontics, University of Alabama School of Dentistry, Birmingham
Dushanka Kleinman, D.D.S., M.ScD.
Deputy director, National Institute of Dental and Craniofacial Research, Bethesda, Md.
Irwin Mandel, D.D.S. Professor emeritus, Columbia University School of Dental and Oral Surgery, New York
Director, Programs for Medically Complex Patients, University of Pennsylvania School of Dental Medicine, Philadelphia
John Molinari, Ph.D.
Pharmacology Paul A. Moore, D.M.D., Ph.D.
Linda Niessen, D.M.D., M.P.H., M.P.P.
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
Chairperson, Department of Biomedical Sciences, University of Detroit Mercy School of Dentistry, Detroit
Chairperson, Department of Public Health Sciences, Baylor College of Dentistry, 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 Journal of the American Dental Association, JADA (ISSN 0002-8177), is published monthly by ADA Publishing Co., Inc., 211 E. Chicago Ave., Chicago, 1I1. 60611, phone 1-312-440-2785, fax 1-312-440-3538. Printed in USA. Periodical postage paid at Chicago and at additional mailing offices. Subscription for members $25 (dues allocation). Nonmember subscription rates: United States, U.S. possessions and Mexico-individual, $95; institution, $115 per year. Foreign-individual, $120; institution, $145 per year. Canada-individual, $105; institution, $130 per year. Single copy rates: United States, $11; outside U.S., $18. Airmail delivery to U.S. territories, Canada and Mexico, $25 a year, foreign, $100 a year. Copyright © 1999 American Dental Association. All rights reserved. Postmaster: send address changes to The Journal ofthe American Dental Association (JADA), 211 E. Chicago Ave., Chicago, III. 60611 one month before the effective date of change. For all Japanese subscription orders, please contact Maruzen Co. Ltd. 3-10, Nihonbashi 2-Chome, Chuo-ku, Tokyo 103 Japan. Available on CD-ROM (1990-1997 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 Internet address: ''http://www.ada.org''. BPA Member Business Publications Audit. Cover illustration by Peter Solarz.
JADA, Vol. 130, January 1999 5