JCDA - Canadian Dental Association

Publisher
Canadian Dental Association
Editor-In-Chief
Dr. John P. O’Keefe
Writer/Editor
Sean McNamara
Assistant Editor
Natalie Blais
Coordinator, French
Translation
Vacant
Coordinator, Publications
Rachel Galipeau
Writer, Electronic Media
Emilie Adams
Manager, Design & Production
Barry Sabourin
Graphic Designer
Janet Cadeau-Simpson
All statements of opinion and
supposed fact are published on
the authority of the author who
submits them and do not necessarily
express the views of the
Canadian Dental Association. The
editor reserves the right to edit
all copy submitted to the JCDA.
Publication of an advertisement
does not necessarily imply that
the Canadian Dental Association
agrees with or supports the claims
therein.
Call CDA for information and
assistance toll-free (Canada) at:
1-800-267-6354; outside Canada:
(613) 523-1770
CDA fax: (613) 523-7736
CDA email: reception@cda-adc.ca
Website: www.cda-adc.ca
© Canadian Dental Association 2008
Mission Statement
The Canadian Dental Association is the national voice for dentistry, dedicated to
the advancement and leadership of a unified profession and to the promotion of
optimal oral health, an essential component of general health.
a s s o c i at E E d i t o r s
Dr. Michael J. Casas
Dr. Anne Charbonneau
Dr. Ian R. Matthew
Dr. Mary E. McNally
E d i t o r i a l c o n s u lta n t s
Dr. James L. Armstrong
Dr. Manal Awad
Dr. Catalena Birek
Dr. Gary A. Clark
Dr. Jeff Coil
Dr. Pierre C. Desautels
Dr. Terry Donovan
Dr. Robert V. Elia
Dr. Joel B. Epstein
Dr. Ian M. Furst
Dr. Daniel Haas
Dr. Felicity Hardwick
President
Dr. Deborah Stymiest
President-Elect
Dr. Don Friedlander
Vice-President
Dr. Ronald G. Smith
Dr. Robert J. Hawkins
Dr. Asbjørn Jokstad
Dr. Richard Komorowski
Dr. Ernest W. Lam
Dr. Gilles Lavigne
Dr. James L. Leake
Dr. William H. Liebenberg
Dr. Kevin E. Lung
Dr. Debora C. Matthews
Dr. David S. Precious
Dr. Richard B. Price
Dr. N. Dorin Ruse
c d a B o a r d o f d i r E c t o r s
Cover photo: Owen Egan
The Journal of the Canadian Dental Association is published in both official languages —
except scientific articles, which are published in the language in which they are received.
Readers may request JCDA in the language of their choice.
The Journal of the Canadian Dental Association is published 10 times per year (July/August
and December/January combined) by the Canadian Dental Association. Copyright 1982
by the Canadian Dental Association. Publications Mail Agreement No. 40064661. PAP
Registration No. 09961. Return undeliverable Canadian addresses to: Canadian Dental
Dr. Michael Brown
Dr. Peter Doig
Dr. Steve Goren
Dr. Colin Jack
Dr. Gordon Johnson
Dr. Gary MacDonald
September 2008, Vol. 74, No. 7
Dr. Kathy Russell
Dr. George K.B. Sándor
Dr. Benoit Soucy
Dr. Susan Sutherland
Dr. David J. Sweet
Dr. Gordon W. Thompson
Dr. David W. Tyler
Dr. Margaret Webb
Dr. J. Jeff Williams
Dr. James R. Yacyshyn
Dr. Robert MacGregor
Dr. Jack Scott
Dr. Lloyd Skuba
Dr. Robert Sutherland
Dr. Grahame Usher
Dr. David Zaparinuk
Association at 1815 Alta Vista Drive, Ottawa, ON K1G 3Y6. Postage paid at Ottawa, Ont.
Subscriptions are for 10 issues, conforming with the calendar year. All 2008 subscriptions
are payable in advance in Canadian funds. In Canada — $98 ($92.45 + GST, #R106845209);
United States — $135; all other — $225. Notice of change of address should be received
before the 10th of the month to become effective the following month. Member: American
Association of Dental Editors and Canadian Circulations Audit Board.
ISSN 0709 8936 Printed in Canada
JCDA • www.cda-adc.ca/jcda • September 2008, Vol. 74, No. 7 • 563