The cementum is the part of the periodontium that attaches the teeth to the alveolar bone by anchoring the periodontal ligament figure 142. Periodontium definition of periodontium by medical dictionary. The periodontium is a functional unit and consists of the gingiva, periodontal ligament, cementum, and alveolar bone. Vi abscesses of the periodontium a gingival abscess example localized to gingival tissue. Tissues and cells of the periodontium hassell 1993. 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. To merge pdfs or just to add a page to a pdf you usually have to buy expensive software. Collectively, these tissues are known as the periodontium. 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. Histology and surgical augmentation article pdf available in general dentistry 574. 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.
Listgarten, who is professor emeritus at the university of pennsylvania and clinical professor of periodontics at the university of california in san francisco. Histopathology periodontal disease click to cure cancer. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Lange basic histology flash cards anthony mescher download. The histologic changes of the gingival tissues in health. The following landmarks are crucial to the understanding of the support structures of the tooth and the aetiopathogenesis of periodontal disease. If you continue browsing the site, you agree to the use of cookies on this website. Inflammation in the periodontium affecting gingival tissues, periodontal.
Investigators are attempting to maximize the proliferation and differentiation potential of pdlscs by modifying culture. A study of the histology, physiology, and pathology of the periodontium and the treatment of its diseases henry m. The periodontium participates in the fixation of the. Erry mochamad arief usm school of dentistry 1 july 2007 yr 2. This chapter presents information on tooth histology, discussing enamel, dentine, cementum, dental pulp, and periodontium. Horizontal principal fibers a are seen in this field. It consists of the cement covering the tooth, the periodontal ligament, the alveolar bone and the gums or gingiva.
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. Winner of the standing ovation award for best powerpoint templates from presentations magazine. The anatomy and physiology of the healthy periodontium 9 epithelium is continuous with the epithelium of the oral cavity. The anatomy and physiology of the healthy periodontium. Full text of junqueiras basic histology text and atlas th ed see other formats. The oral mucous membrane lining the remainder of the oral cavity. The cellular constitution or histology of these structures is the basis from which the morphology originates and from which all physiologic actions commence. The periodontium consists of four principal components. 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. Tissues of the periodontium foundations of periodontics.
In this section were going to discuss the form and function of the periodontium. Article histological structure of the human and rodent. Kurylo, jonathan hurng, feifei yang, lynn yang, arvin pal. It discusses the ways in which systemic conditions and their treatment affect dental health. Pl is responsible by shock absorption and proprioceptive sensorial perception, aiming a. Consequently, in this issue you will find research manuscripts, innovations, a case report, merge, letter to the editor, and also. A number of cell types are found within the pdl a, the most predominant being fibroblasts and macrophages. Periodontium is defined as a set of toothsupporting tissues including the cementum, periodontal ligament, alveolar bone and gingiva. In the healthy sulcus the amount of the gingival fluid is very small. Kurylo, jonathan hurng, feifei yang, lynn yang, arvin pal, ling chen. 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 periodontium is the specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones. The tissues that surround and support the teeth are the cementum, the alveolar process, the periodontal ligament, and the gingivae. Periodontal tissues include four defined structures.
Once the pocket is formed, several microscopic features are present, as discussed in the following sections. The histologic changes of the gingival tissues in health and. Select multiple pdf files and merge them in seconds. 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. This initial group of horizontal fibers was once referred to as cervical fibers. On the periodontal is also called supporting tissues of the teeth and attachment apparatus. The periodontium is a complex tissue composed mainly of two soft tissues and two hard tissues. Histology and embryology of the teeth and periodontium. Modalities of toothtissue interface gingival tissues both epithelial and connective tissue associate with the tooth via separate mechanisms.
Periodontics is the dental specialty that relates specifically to the care and maintenance of. This structure is also called the unattached gingiva. 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. 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. 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 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. Full text of junqueiras basic histology text and atlas. Histology of the periodontium school of dental medicine.
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. Our servers in the cloud will handle the pdf creation for you once you have combined your files. Name and describe the tissues of the periodontium alveolar mucosamucogingival junctionattached gingivafree gingivainterdental papilla. This course will discuss the basic histologic components of the. Structure of periodontal tissues in health and disease.
Describe the prevalence of periodontal disease is the leading cause of tooth loss in adults. Each of these periodontal components is distinct in its location, tissue architecture, biochemical composition, and chemical composition, but all of these. This course will discuss the basic histologic components of the teeth, oral mucosa, salivary glands, and periodontium. 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. 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 periodontium 1 the gingiva and perio ligament at. The word comes from the greek terms peri, meaning around and odons, meaning tooth. Periodontium definition of periodontium by medical. Throughout the following discussion, refer to figure 25. The most coronal edge of the gingiva is the gingival margin. Enamel is the strongest structure in both humans and animals, and consists of minerals and water.
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. Pathogenesis is the sequence of events leading to the occurrence of a disease. The periodontium or toothbed is a complex structure of hard and soft tissues supporting the teeth. Oct 18, 2015 periodontal medicine pdf by louis e rose,robert j. Almost 75% of american adults have some form of periodontal disease, most are unaware of the condition. The periodontium surrounds and supports the teeth and consists of four major components. It is found in vertebrates and invertebrates, though its structure varies across species. Before i really start telling you anything about me or finding out anything about you, i want you to know that i sympathize with you. Publishing four times a year will allow us to get your manuscripts published more quickly. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
In humans, the pharynx is part of the digestive system and the conducting zone of the respiratory system. Scribd is the worlds largest social reading and publishing site. Literally taken, it means that which is around the tooth. Listgarten, dds this online course is devoted to the histology and microscopic anatomy of the periodontium. 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. Deal with your pain, lead a wonderful life an live like a normal person. Classes like tooth morphology, head and neck anatomy, histology, pharmacology, and local anesthesia. Cgap cementum, gingiva, alveolar bone, periodontal ligament. Promise of periodontal ligament stem cells in regeneration. The periodontium participates in the fixation of the teeth, participates in the absorption of the root. Microscopic views reveal that it consists of enamel rods that are formed of bundles of hydroxyapatite crystals. Consequently, in this issue you will find research manuscripts, innovations, a case report, merge, letter to the editor, and also instructions for publication.
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 anatomy and physiology of the healthy periodontium, gingival diseases their aetiology, prevention and treatment, fotinos s. Gross anatomy and histology of the periodontium quizlet. 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.
It is contains components of connective tissue, epithelium, inflammatory cells, serum, and microbial flora inhabiting the gingival margin or the sulcus pocket. Genco this text explores the complex relationship between the periodontium and systemic disease. The normal periodontium provides the support necessary to maintain teeth in function. The dorsum of the tongue, covered by specialized mucosa. In this image, we can visualize the structures in place. Development, structure, and function of periodontal. Mar 11, 2014 changes occurring in the initial stages of gingival inflammation are presented in chapter 16. Study 110 the periodontium 1 the gingiva and perio ligament flashcards from theresa a. Recently, great progress has been made in pdlsc transplantation. This photo shows a periodontal abscess involving a.
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