Roger J Smales MDS DDSc (Otago) FDSRCS (Edinburgh) FADM FHKAM (Dental Surgery)
Professor in Conservative Dentistry
Frederick CS Chu BDS (Hons) (Hong Kong) MSc (London)
Assistant Professor in Oral Diagnosis
With technical support by Anthony CK Kam LBIST
Technician
Samuel KH Chan LBIST
Technician
Henry WK Luk PhD (Hong Kong) FBIST MIMPT
Tutor in Dental Technology
Faculty of Dentistry The University of Hong Kong
Jitendar P. Vij
Jaypee Brothers Medical Publishers (P) Ltd.
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PORCELAIN LAMINATE VENEERS FOR DENTISTS AND TECHNICIANS
© 1999, Roger J Smales, Frederick CS Chu
All rights reserved. No part of this publication should be reproduced, stored in a retrieval system, or transmitted in any form or by any means: electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the authors/editors and the publisher.
First Edition : 1999
9788171796854
Typeset at JPBMP typesetting unit
Printed at Lordson Publishers (P) Ltd., C-5/19, Rana Pratap Bagh, Delhi 110 007
5Foreword
The incidence of discoloured teeth in young people in Hong Kong is high, the result of fluorosis and tetracycline prescription. Consequently, the Department of Conservative Dentistry and the Dental Technology Unit have, over the years, had many and valuable opportunities to gain expertise in all aspects of the construction of porcelain laminate veneers. This book makes liberal use of photographs to illuminate the text, and affords ready and practical guidance on the clinical and laboratory stages of porcelain veneer preparation.
I am pleased to have been involved, although in a small way, in this enterprise, and am honoured to have been asked to write a Foreword. I am sure that the enthusiasm, and wealth of clinical and technical expertise that has made possible the writing of this book will benefit not only students, dentists and technicians, but ultimately the patient, whose wellbeing must be the principal concern of all who deem themselves professionals.
Professor Ian E Barnes
bds phd fdsrcs fhkam (Dental Surgery)
Former Head
Department of Conservative Dentistry
Faculty of Dentistry
The University of Hong Kong
7Preface
Over the last decade, the provision of porcelain laminate veneers has become one of the most important aesthetic restorative techniques in Western countries. Increasingly, these conservative restorations are also becoming more readily available in other countries, where there is often a high prevalence of tooth defects caused by systemic factors.
An attractive appearance has been shown to increase a person's self-confidence, personal relationships, and even the success of his or her career. Unfortunately, adverse character judgements of a person may be made at the first contact, based on an unattractive dental appearance, irrespective of the causes.
The text is intended to provide dentists and technicians with concise information on how porcelain laminate veneers can be used to improve the appearance of patients who require treatment for a wide range of unattractive dental conditions.
Successful results depend not only on the clinical and laboratory techniques used for porcelain laminate veneer fabrication, but also on an understanding of the scientific background of the procedures involved. Therefore, we have intentionally started each chapter with a general description of the topic and current opinions, and have illustrated the important clinical and laboratory aspects with selected photographs. In order to help the clinicians and patients at the treatment planning stage, a range of different cases treated is presented in an appendix. A representative list of materials used by dentists and technicians is also included.
Hong Kong 1999
Roger J Smales
Frederick CS Chu
9Acknowledgements
We would like to express our appreciation for the assistance provided by the former Head of Department of Conservative Dentistry, Professor Ian E Barnes, for the details of commercial products provided by Mr Jeremy P Crabbe, for the clinical photographs taken by Dr Wiley TC Lam, for the chairside assistance given by Miss Ruth FL Chow and Miss Yvonne CW Chui, and for the photographs and illustrations provided by the Dental Illustration Unit, Dr TM Yim, Dr KB Lui and Mr LK Fong, the Prince Philip Dental Hospital.
Permission from the publishers for the reproduction of the two tables in Appendix II is also gratefully acknowledged (Table AII.1, Ishiyaku Euro America Inc., and Table AII.2, Quintessence Publishing Co Inc), as is information contained in Appendices III and IV (Reality Publishing Co).