The periodontium participates in the fixation of the teeth, participates in the absorption of the root. Article histological structure of the human and rodent. Mar 11, 2014 changes occurring in the initial stages of gingival inflammation are presented in chapter 16. Oct 18, 2015 periodontal medicine pdf by louis e rose,robert j. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Erry mochamad arief usm school of dentistry 1 july 2007 yr 2. The histologic changes of the gingival tissues in health and. Enamel is the strongest structure in both humans and animals, and consists of minerals and water. The periodontium or toothbed is a complex structure of hard and soft tissues supporting the teeth.
Kurylo, jonathan hurng, feifei yang, lynn yang, arvin pal. Gross anatomy and histology of the periodontium quizlet. Tissues of the periodontium foundations of periodontics. It is found in vertebrates and invertebrates, though its structure varies across species.
Periodontal ligament stem cells pdlscs, which reside in the perivascular space of the periodontium, possess characteristics of mesenchymal stem cells and are a promising tool for periodontal regeneration. This initial group of horizontal fibers was once referred to as cervical fibers. In this section were going to discuss the form and function of the periodontium. To merge pdfs or just to add a page to a pdf you usually have to buy expensive software. They do a huge majority of the fact finding in an exam periodontal charting, xrays, head and neck exam, etc and make a hygiene diagnosiss on periodontal disease all the time. Tissues and cells of the periodontium hassell 1993. Describe the prevalence of periodontal disease is the leading cause of tooth loss in adults.
Name and describe the tissues of the periodontium alveolar mucosamucogingival junctionattached gingivafree gingivainterdental papilla. The periodontium is a functional unit and consists of the gingiva, periodontal ligament, cementum, and alveolar bone. In contrast to the many recent and contemporary textbooks on oral and dental tissues, the present chapter is designed to deal separately with each of the periodontal tissues in terms of their developmental, structural, biochemical, and functional aspects, i. Defined as a group of such tissues that support and surround the teeth. This chapter presents information on tooth histology, discussing enamel, dentine, cementum, dental pulp, and periodontium. Any analysis of the histologie changes in the periodontium from health to disease at once suggests the need for determining the physiologic thresholds of these states. The most coronal edge of the gingiva is the gingival margin. Periodontics is the dental specialty that relates specifically to the care and maintenance of.
If you continue browsing the site, you agree to the use of cookies on this website. The normal periodontium provides the support necessary to maintain teeth in function. Kurylo, jonathan hurng, feifei yang, lynn yang, arvin pal, ling chen. The sulcular epithelium is adjacent to the tooth but not connected or attached to the tooth surface. The cementum is the part of the periodontium that attaches the teeth to the alveolar bone by anchoring the periodontal ligament figure 142. For practical convenience, dentists extend this definition to include the cementum, the gum surrounding the neck of the tooth and the bone of the socket alveolar bone. It is contains components of connective tissue, epithelium, inflammatory cells, serum, and microbial flora inhabiting the gingival margin or the sulcus pocket. The periodontium also known as marginal periodontium is the supporting structure of a tooth, helping to attach the tooth to surrounding tissues and to allow sensations of touch and pressure the word comes from the greek terms peri, meaning around and odons, meaning tooth. Periodontal peri around and odontos tooth is a functional system of tissue that surrounds the teeth and makes them jaw bone fig. Histological evaluation of the periodontal ligament from. Once the pocket is formed, several microscopic features are present, as discussed in the following sections. Select multiple pdf files and merge them in seconds. The junctional epithelium is at the base of the sulcus and is in direct contact with the tooth carranza 2002fig.
Literally taken, it means that which is around the tooth. The periodontium also known as marginal periodontium is the supporting structure of a tooth, helping to attach the tooth to surrounding tissues and to allow sensations of touch and pressure. Vi abscesses of the periodontium a gingival abscess example localized to gingival tissue. Periodontium is the tissuesgum that invest or help t invest and support the teeth, including the 1periodontal ligament 2gingivae, 3cementum, 4alveolar and 5supporting bones. The gingiva and the covering of the hard palate, termed the masticatory mucosa the gingiva is the part of the oral mucosa that covers the alveolar processes of the jaws and surrounds the necks of the teeth. It discusses the ways in which systemic conditions and their treatment affect dental health. The word gingivae means the gums, the word cementum means the connective tissues covering the root of a tooth, the word alvelor means the root of the teeth are held. This photo shows a periodontal abscess involving a.
The cellular constitution or histology of these structures is the basis from which the morphology originates and from which all physiologic actions commence. A great number of patients around the world experience tooth loss that is attributed to irretrievable damage of the periodontium caused by deep caries, severe periodontal diseases or irreversible trauma. However, in a healthy patient, the cementum is not clinically visible because it usually covers the entire root, overlying tomes granular layer in dentin, which is not usually exposed in a healthy oral cavity. The principal cell type is the fibroblast and the principal intercellular substance is collagen. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This photo shows a periodontal abscess affecting the gingiva. Deal with your pain, lead a wonderful life an live like a normal person. Ppt periodontal pathology powerpoint presentation free to. This course will discuss the basic histologic components of the. The anatomy and physiology of the healthy periodontium.
A number of cell types are found within the pdl a, the most predominant being fibroblasts and macrophages. This text explores the complex relationship between the periodontium and systemic disease. Group 1 the coronal portion of the pulp of all teeth showed loose connective tissue of normal appearance, with predominance of fibroblasts, collagen, dentin, predentin, and odontoblastic layer figure 1 a. The dorsum of the tongue, covered by specialized mucosa. Structure of periodontal tissues in health and disease. Inflammation in the periodontium affecting gingival tissues, periodontal. The periodontium can be defined as the tissues that invest and support the teeth including the gingiva, alveolar mucosa, cementum, periodontal ligament, and alveolar and supporting bone 1. The periodontium 1 the gingiva and perio ligament at. Lange basic histology flash cards anthony mescher download. Histopathological features of dental pulp in teeth with. Listgarten, who is professor emeritus at the university of pennsylvania and clinical professor of periodontics at the university of california in san francisco. The histologic changes of the gingival tissues in health. Recently, great progress has been made in pdlsc transplantation.
Full text of junqueiras basic histology text and atlas th ed see other formats. Listgarten, dds this online course is devoted to the histology and microscopic anatomy of the periodontium. Development, structure, and function of periodontal. Histology and embryology of the teeth and periodontium. Classes like tooth morphology, head and neck anatomy, histology, pharmacology, and local anesthesia. Collectively, these tissues are known as the periodontium. The oral mucous membrane lining the remainder of the oral cavity. On the periodontal is also called supporting tissues of the teeth and attachment apparatus. Periodontium definition of periodontium by medical. Histopathology periodontal disease click to cure cancer. In humans, the pharynx is part of the digestive system and the conducting zone of the respiratory system. Pl is responsible by shock absorption and proprioceptive sensorial perception, aiming a. The tissues that surround and support the teeth are the cementum, the alveolar process, the periodontal ligament, and the gingivae.
Periodontium definition of periodontium by medical dictionary. Consequently, in this issue you will find research manuscripts, innovations, a case report, merge, letter to the editor, and also instructions for publication. Derived from junquiras basic histology, the fields leading text and atlas, each of the cards features an image and a question on one side and the answer and commentary on the flip side. A study of the histology, physiology, and pathology of the periodontium and the treatment of its diseases henry m. Note they pass horizontally from cementum b to the alveolar bone c just below its crest.
The word comes from the greek terms peri, meaning around and odons, meaning tooth. Full text of junqueiras basic histology text and atlas. The periodontium surrounds and supports the teeth and consists of four major components. This structure is also called the unattached gingiva.
Almost 75% of american adults have some form of periodontal disease, most are unaware of the condition. Periodontium is defined as a set of toothsupporting tissues including the cementum, periodontal ligament, alveolar bone and gingiva. Horizontal principal fibers a are seen in this field. Each of these periodontal components is distinct in its location, tissue architecture, biochemical composition, and chemical composition, but all of these. Pl is crossed throughout its extension by thick bundles of collagen fibers that insert either in the cementum or in the alveolar process katchburian and arana 2004.
In this image, we can visualize the structures in place. Our servers in the cloud will handle the pdf creation for you once you have combined your files. The following landmarks are crucial to the understanding of the support structures of the tooth and the aetiopathogenesis of periodontal disease. Scribd is the worlds largest social reading and publishing site. The periodontium is the specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones. Cgap cementum, gingiva, alveolar bone, periodontal ligament. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Consequently, in this issue you will find research manuscripts, innovations, a case report, merge, letter to the editor, and also. Periodontal tissues include four defined structures.
Microscopic views reveal that it consists of enamel rods that are formed of bundles of hydroxyapatite crystals. Pathogenesis is the sequence of events leading to the occurrence of a disease. Investigators are attempting to maximize the proliferation and differentiation potential of pdlscs by modifying culture. Genco this text explores the complex relationship between the periodontium and systemic disease. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Tissues of the periodontium periodontal peri around and odontos tooth is a functional system of tissue that surrounds the teeth and makes them jaw bone fig. The anatomy and physiology of the healthy periodontium 9 epithelium is continuous with the epithelium of the oral cavity. This course will discuss the basic histologic components of the teeth, oral mucosa, salivary glands, and periodontium. Modalities of toothtissue interface gingival tissues both epithelial and connective tissue associate with the tooth via separate mechanisms. In the healthy sulcus the amount of the gingival fluid is very small.
The periodontium consists of four principal components. The anatomy and physiology of the healthy periodontium, gingival diseases their aetiology, prevention and treatment, fotinos s. The periodontium participates in the fixation of the. Histology and surgical augmentation article pdf available in general dentistry 574. The root portion revealed reduction of the pulp canal space due to an appositional increment of reactive dentin following a repair pattern, with a decrease in. Throughout the following discussion, refer to figure 25. It consists of the cement covering the tooth, the periodontal ligament, the alveolar bone and the gums or gingiva. The periodontium is a complex tissue composed mainly of two soft tissues and two hard tissues. Study 110 the periodontium 1 the gingiva and perio ligament flashcards from theresa a.
72 1344 147 1269 62 1257 1036 1556 666 1141 733 1284 382 1465 321 1010 636 1563 924 1575 258 377 787 213 555 1173 121 192