ATLAS OF ORAL HISTOLOGY SECOND EDITION Harikrishnan Prasad, BDS, MDS (Oral Pathol & Microbiol) Professor, Department of Oral and Maxillofacial Pathology, KSR Institute of Dental Science and Research, Tiruchengode, INDIA Krishnamurthy Anuthama, BDS, MDS (Oral Pathol & Microbiol) Consultant Oral Pathologist, Herndon, Virginia, United States of America Table of Contents Cover image Title page Copyright Dedication Preface to the Second Edition Preface to the First Edition List of videos 1. Introduction Preparing tissues for microscopic study Staining Microscopy Points to remember Useful hints 2. Development of tooth Bud stage (figs 2.1 and 2.2) Cap stage (figs 2.3–2.5) Early bell stage (figs 2.6 and 2.7) Advanced bell stage (figs 2.8 and 2.9) Hertwig epithelial root sheath and cementum formation (figs 2.10 and 2.11) Some important terminologies 3. Enamel Enamel rods (figs 3.1 and 3.2) Striae of retzius (figs 3.3, 3.4, and 3.5) Enamel lamellae (figs 3.5, 3.6, and 3.7) Enamel tufts (figs 3.5, 3.6, and 3.7) Enamel spindles (figs 3.8, 3.9) Gnarled enamel (figs 3.10 and 3.11) Hunter–Schreger bands (figs 3.12, 3.13, and 3.14) Useful hints 4. Dentin Primary and secondary dentin (figs 4.1 and 4.2) Dead tracts (figs 4.3 and 4.4) Tertiary dentin (fig. 4.4) Interglobular dentin (figs 4.5–4.7) Tomes’ granular layer (figs 4.8 and 4.9) Branching of dentinal tubules (figs 4.10–4.12) Useful hints 5. Pulp Zones of the pulp (figs 5.1 and 5.2) Pulp stones (figs 5.3 and 5.4) Useful hints 6. Cementum Acellular cementum (figs 6.1 and 6.2) Cellular cementum (figs 6.3 and 6.4) Incremental lines of salter (figs 6.5 and 6.6) Cementoenamel junction (figs 6.7–6.14) Useful hints 7. Periodontal ligament Principal fiber groups of periodontal ligament (figs 7.1–7.4) Cementicles (fig. 7.5) Useful hints 8. Bone Compact bone (figs 8.1–8.4) Cancellous bone (figs 8.5 and 8.6) Useful hints 9. Salivary glands Serous salivary glands (figs 9.1–9.3) Mucous salivary glands (figs 9.4–9.6) Mixed salivary glands (figs 9.7–9.9) Ductal system of salivary glands Useful hints 10. Oral mucous membrane Keratinized stratified squamous epithelium (figs 10.1–10.5) Nonkeratinized stratified squamous epithelium (figs 10.6 and 10.7) Keratinocytes and nonkeratinocytes (figs 10.8 and 10.9) Papillae of the tongue Dentogingival junction (figs 10.16 and 10.17) Useful hints 11. Maxillary sinus Histology of the sinus lining (figs 11.1 and 11.2) Goblet cells (figs 11.3–11.5) Useful hints Copyright RELX India Pvt. Ltd. Registered Office: 818, Indraprakash Building, 8th Floor, 21, Barakhamba Road, New Delhi-110001 Corporate Office: 14th Floor, Building No. 10B, DLF Cyber City, Phase II, Gurgaon-122002, Haryana, India Atlas of Oral Histology, 2e, Prasad Harikrishnan, Krishnamurthy Anuthama Copyright © 2019, 2015 by RELX India Pvt. Ltd. ISBN: 978-81-312-5483-7 e-ISBN: 978-81-312-5484-4 Package ISBN: 978-81-312-5475-2 Previous edition copyrighted, 2015 No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher. Details on how to seek permission, further information about the Publisher’s permissions policies and our arrangements with organizations such as the Copyright Clearance Center and the Copyright Licensing Agency, can be found at our website: www.elsevier.com/permissions. Notice Practitioners and researchers must always rely on their own experience and knowledge in evaluating and using any information, methods, compounds or experiments described herein. Because of rapid advances in the medical sciences, in particular, independent verification of diagnoses and drug dosages should be made. To the fullest extent of the law, no responsibility is assumed by Elsevier, authors, editors or contributors for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions, or ideas contained in the material herein. Although all advertising material is expected to conform to ethical (medical) standards, inclusion in this publication does not constitute a guarantee or endorsement of the quality or the value of such product or the claims made of it by its manufacturer. Content Strategist: Ruchi Mullick Content Project Manager: Anand K Jha Sr Production Executive: Ravinder Sharma Sr Graphic Designer: Milind Majgaonkar Typeset by GW Tech India Printed in India by . . . Dedication Dedicated to My beloved teachers from the Department of Oral Pathology and Microbiology Mahatma Gandhi Postgraduate Institute of Dental Sciences, Puducherry Harikrishnan Prasad Dedicated to My dear parents, Usha and Krishnamurthy, my dear husband, Abinandan and to my guru, Dr Pratibha Ramani Krishnamurthy Anuthama