Permar's Oral Embryology and Microscopic Anatomy: A Textbook for Students in Dental Hygiene , Tenth Edition PDF
Preview Permar's Oral Embryology and Microscopic Anatomy: A Textbook for Students in Dental Hygiene , Tenth Edition
9123 ch FM 5/11/10 11:22 AM Page i Permar’s Oral Embryology and Microscopic Anatomy A Textbook for Students in Dental Hygiene TENTH EDITION 9123 ch FM 5/11/10 11:22 AM Page ii Frontispiece. Photomicrograph of a ground section cut faciolingually through a human maxillary first premolar (very low power magnification). The enamel contains a deep fis- sure in the central developmental groove. At the entrance to the fissure, on the triangular ridge of the buccal cusp, a barely visible dark area can be seen. This is most likely the be- ginning of a caries lesion, but there is no evidence of caries at the bottom of the fissure. In the enamel on the buccal and on the lingual surfaces of the crown, the narrow light and dark areas of the bands of Hunter-Schreger may be faintly seen near the dentinoenamel junction. Notice the curvature of the dentinal tubules in the crown of the tooth and the configura- tion of the pulp chamber: the pulp horn in the buccal cusp extends much farther occlusally than the pulp horn in the lingual cusp. In this photo, the pulp cavity is empty because the pulp tissue was destroyed during tissue preparation. Notice the relatively narrow root canals. It is difficult to determine the thickness of the cementum on this section at this mag- nification. 9123 ch FM 5/11/10 11:22 AM Page iii 9123 ch FM 5/11/10 11:22 AM Page v Permar’s Oral Embryology and Microscopic Anatomy A Textbook for Students in Dental Hygiene T E N T H E D I T I O N Rudy C. Melfi, DDS, PhD Professor Emeritus Department of Oral Biology College of Dentistry The Ohio State University Columbus, Ohio Keith E. Alley, DDS, PhD Professor Department of Oral Biology College of Dentistry The Ohio State University Columbus, Ohio 9123 ch FM 5/11/10 11:22 AM Page vi Editor:Larry McGrew Managing Editor:Angela Heubeck Marketing Manager:Debby Hartman Production Editor:Lisa JC Franko Copyright ©2000 Lippincott Williams & Wilkins 351 West Camden Street Baltimore, Maryland 21201–2436 USA 530 Walnut Street Philadelphia, Pennsylvania 19106–3621 USA All rights reserved. This book is protected by copyright. No part of this book may be reproduced in any form or by any means, including photocopying, or utilized by any information storage and retrieval system without written permission from the copyright owner. Printed in the United States First Edition, 1955 Second Edition, 1959 Third Edition, 1963—Reprinted, 1965 Fourth Edition, 1967—Reprinted, 1969 Fifth Edition,1972—Reprinted, 1973, 1975 Sixth Edition, 1977—Reprinted, 1979, 1980 Seventh Edition, 1982—Reprinted, 1985 Eighth Edition, 1988 Ninth Edition, 1994—Reprinted, 1995, 1996 Library of Congress Cataloging-in-Publication Data Melfi, Rudy C. Permar’s oral embryology and microscopic anatomy: a textbook for students in dental hygiene.—10th ed. / Rudy C. Melfi, Keith E. Alley. p.; cm. Includes bibliographical references and index. ISBN 0-683-30644-8 1. Teeth—Histology. 2. Mouth—Histology. 3. Embryology, Human. 4. Dental assistants. I. Title: Oral embryology and microscopic anatomy. II. Alley, Keith E. III. Permar, Dorothy. Permar’s oral embryology and microscopic anatomy. IV. Title. [DNLM: 1. Mouth—embryology. 2. Tooth—anatomy & histology. WU 101 M521p 2000] RK280 .P4 2000 611(cid:2).018931—dc21 00-021829 The publishers have made every effort to trace the copyright holders for borrowed material. If they have inadvertently overlooked any, they will be pleased to make the necessary arrangements at the first opportunity. To purchase additional copies of this book, call our customer service department at (800) 638-3030 or fax orders to (301) 824-7390.For other book services, including chapter reprints and large quantity sales, ask for the Special Sales department. For all other calls originating outside of the United States, please call (301) 714-2324. Visit Lippincott Williams & Wilkins on the Internet:http://www.lww.com. Lippincott Williams & Wilkins customer service representatives are available from 8:30 am to 6:00 pm, EST, Monday through Friday, for telephone access. 00 01 02 03 1 2 3 4 5 6 7 8 9 10 9123 ch FM 5/11/10 11:22 AM Page vii For DOROTHY PERMAR Late Professor of Dentistry The Ohio State University
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