- Email: [email protected]
EDITOR
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THE JOURNAL OF THE AMERICAN DENTAL ASSOCIATION
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IA
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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 of Dentistry, University of Colorado Health Sciences Center, Denver
Daniel M. Castagna, D.D.S. Assistant clinical professor, University of the Pacific, School of Dentistry, San Francisco
ASSOCIATE EDITORS
Gordon Christensen, D.D.S., M.S.D., Ph.D. Co-founder and senior consultant, Clinical Research Associates, Oral Health Institute, Provo, Utah
BiomaterialslRestorative Dentistry Karl F. Leinfelder, D.D.S. Professor emeritus, Department of Biomaterials, University of Alabama School of Dentistry, Birmingham; consultant, Chapel Hill, N.C.
Anthony DiAngelis, D.M.D., M.P.H. Chief of Dentistry, Hennepin County Medical Center, Minneapolis; professor, University ofMinnesota School ofDentistry, Minneapolis Matthew T. Dunn, DD.S. Private practitioner, Cody Dental Group, Denver
Clinical Pharmacology Paul A. Moore, D.M.D., Ph.D., M.P.H. Professor, Pharmacology, Department of Dental Public Health, University of Pittsburgh, School of Dental Medicine, Pittsburgh
Marjorie Jeffcoat, D.M.D. Chairperson, Department of Periodontics, University of Alabama School of Dentistry; Binningham
Cosmetic and Esthetic Dentistry Jeff Morley, D.D.S. Private practitioner, San Francisco
Dushanka Kleinman, DD.S., M.ScD. l}eputy director, National Institute ofDental and Craniofacial Research, Bethesda, Md.
Dentistry and Medicine Michael Glick, D.M.D. Director, Programs for Medically Complex Patients, University of Pennsylvania School of Dental Medicine, Philadelphia
Irwin Mandel, D.D.S. Professor emeritus, Columbia University School of Dental and Oral Surgery, New York
Informatics and Technology Titus K.L. Schleyer, D.M.D., Ph.D. Associate professor and chair, Department of Dental Informatics, Temple University School of Dentistry, Philadelphia Practice Management Leslie W. Seldin, D.D.S. Private practitioner, New York
John Molinari, Ph.D. Chairperson, Department of Biomedical Sciences, University of Detroit Mercy School of Dentistry, Detroit Linda Niessen, D.M.D., M.P.H., M.P.P. Vice president, Clinical Education, DENTSPLY International, York, Pa.; clinical professor, Baylor College ofDentistry, Dallas Michael T. Rainwater, D.M.D. Private practitioner, Riverdale, Ga. Cherilyn G. Sheets, D.D.S. Private practitioner, Newport Beach, Calif.; founder and director, Newport Coast Oral Facial Institute, Newport Beach, Calif.; founder and president, The Children's Dental Center, Inglewood, Calif.
SUBSCRIPTION INFORMATION
Nonmember subscription inquiries and requests for back issues should pe addressed to Subscription Department, ADA Publishing, a division of ADA Business Enterprises tnc. Association members should address all inquirie'! to Department of Membership, American Dental Association. The Journal of the American Dental Associ~tion, JADA (ISSN 0002-8177), is published monthly by ADA Publishing, a division ofADA Business Enterprises Inc., 211 E. Chicago Ave., Chicago, Dl. 60611. phone 1-312-440-2785, fax 1-312-440-3538. Printed in USA. Periodical posj;age paid at Chicago and at additional mailing offices. Subscription for members $25 (dues allocation). Nonmember subscription rates: United States, U.S. possessions and Mexiro-individual, $100; institution, $121 per year. Foreign-individual, $126; institution, $153 per year. Canada-individual, $111; institution, $137 per year. Single copy rates: United States, $12; outside U.S., $19. Airmail delivery to U.S. territories, Canada and Mexico, $25 a year, foreign, $100 a year. Copyright © 2001 American Dental Association. All rights reserved. Postmaster: send ad· dress changes The Journal of the American Dental Association (JADA), 211 E. Chicago Ave., Chicago, Dl. 60611 one month before the effective date of change. For all Japanese subscription orders, plesse contact Marnzen Co. Ltd. 3·10, Nihonbashi 2·Chome, Chuo-ku, 'Thkyo 103 Japan. Available on CD-ROM (1990-1998 issues). Internet address: "www.ada.org". BPA Member Business Publications Audit.
to
ADA Headquarters: The central telephone number is 1-312-440-2500. The AnNs toll-free phone number can be found on the back of your membership card. Member subscriptions: 1-312-440-2614 Classified advertising: 1-312-440-2742 Nonmember subscriptions: 1-312·440-2867 Advertising sales: 1-312-440-2740 Editorial: 1-312-440-2785 . Cover illustration by Peter Solarz.
JADA, Vol. 132, June 2001
709
THE JOURNAL OF THE AMERICAN DENTAL ASSOCIATION
..J
IA
-
D
AL
EDITOR
EDITORIAL BOARD
Lawrence H. Meskin, D.D.S., M.S.D., M.P.H., Ph.D. Professor, School of Dentistry, University of Colorado Health Sciences Center, Denver
Daniel M. Castagna, D.D.S. Assistant clinical professor, University of the Pacific, School of Dentistry, San Francisco
ASSOCIATE EDITORS
Gordon Christensen, D.D.S., M.S.D., Ph.D. Co-founder and senior consultant, Clinical Research Associates, Oral Health Institute, Provo, Utah
BiomaterialslRestorative Dentistry Karl F. Leinfelder, D.D.S. Professor emeritus, Department of Biomaterials, University of Alabama School of Dentistry, Birmingham; consultant, Chapel Hill, N.C.
Anthony DiAngelis, D.M.D., M.P.H. Chief of Dentistry, Hennepin County Medical Center, Minneapolis; professor, University ofMinnesota School ofDentistry, Minneapolis Matthew T. Dunn, DD.S. Private practitioner, Cody Dental Group, Denver
Clinical Pharmacology Paul A. Moore, D.M.D., Ph.D., M.P.H. Professor, Pharmacology, Department of Dental Public Health, University of Pittsburgh, School of Dental Medicine, Pittsburgh
Marjorie Jeffcoat, D.M.D. Chairperson, Department of Periodontics, University of Alabama School of Dentistry; Binningham
Cosmetic and Esthetic Dentistry Jeff Morley, D.D.S. Private practitioner, San Francisco
Dushanka Kleinman, DD.S., M.ScD. l}eputy director, National Institute ofDental and Craniofacial Research, Bethesda, Md.
Dentistry and Medicine Michael Glick, D.M.D. Director, Programs for Medically Complex Patients, University of Pennsylvania School of Dental Medicine, Philadelphia
Irwin Mandel, D.D.S. Professor emeritus, Columbia University School of Dental and Oral Surgery, New York
Informatics and Technology Titus K.L. Schleyer, D.M.D., Ph.D. Associate professor and chair, Department of Dental Informatics, Temple University School of Dentistry, Philadelphia Practice Management Leslie W. Seldin, D.D.S. Private practitioner, New York
John Molinari, Ph.D. Chairperson, Department of Biomedical Sciences, University of Detroit Mercy School of Dentistry, Detroit Linda Niessen, D.M.D., M.P.H., M.P.P. Vice president, Clinical Education, DENTSPLY International, York, Pa.; clinical professor, Baylor College ofDentistry, Dallas Michael T. Rainwater, D.M.D. Private practitioner, Riverdale, Ga. Cherilyn G. Sheets, D.D.S. Private practitioner, Newport Beach, Calif.; founder and director, Newport Coast Oral Facial Institute, Newport Beach, Calif.; founder and president, The Children's Dental Center, Inglewood, Calif.
SUBSCRIPTION INFORMATION
Nonmember subscription inquiries and requests for back issues should pe addressed to Subscription Department, ADA Publishing, a division of ADA Business Enterprises tnc. Association members should address all inquirie'! to Department of Membership, American Dental Association. The Journal of the American Dental Associ~tion, JADA (ISSN 0002-8177), is published monthly by ADA Publishing, a division ofADA Business Enterprises Inc., 211 E. Chicago Ave., Chicago, Dl. 60611. phone 1-312-440-2785, fax 1-312-440-3538. Printed in USA. Periodical posj;age paid at Chicago and at additional mailing offices. Subscription for members $25 (dues allocation). Nonmember subscription rates: United States, U.S. possessions and Mexiro-individual, $100; institution, $121 per year. Foreign-individual, $126; institution, $153 per year. Canada-individual, $111; institution, $137 per year. Single copy rates: United States, $12; outside U.S., $19. Airmail delivery to U.S. territories, Canada and Mexico, $25 a year, foreign, $100 a year. Copyright © 2001 American Dental Association. All rights reserved. Postmaster: send ad· dress changes The Journal of the American Dental Association (JADA), 211 E. Chicago Ave., Chicago, Dl. 60611 one month before the effective date of change. For all Japanese subscription orders, plesse contact Marnzen Co. Ltd. 3·10, Nihonbashi 2·Chome, Chuo-ku, 'Thkyo 103 Japan. Available on CD-ROM (1990-1998 issues). Internet address: "www.ada.org". BPA Member Business Publications Audit.
to
ADA Headquarters: The central telephone number is 1-312-440-2500. The AnNs toll-free phone number can be found on the back of your membership card. Member subscriptions: 1-312-440-2614 Classified advertising: 1-312-440-2742 Nonmember subscriptions: 1-312·440-2867 Advertising sales: 1-312-440-2740 Editorial: 1-312-440-2785 . Cover illustration by Peter Solarz.
JADA, Vol. 132, June 2001
709