The tolerance capacity of the periodontal ligament to the occlusal. The word comes from the greek terms peri, meaning around and odons, meaning tooth. It is v shaped, and it permits the entrance of a periodontal probe. Atlas of pediatric oral and dental developmental anomalies.
View and download powerpoint presentations on blood supply to periodontium and gingiva ppt. The periodontium serves as the supporting apparatus for the teeth in function and in occlusal relationships. Anatomy of the periodontium flashcards by courtney. The material comprised orthopantomograms of 20 male and 20 female students aged 2 years and 20 male and 20 female adults aged 3951 years. An abscess is a localized collection of pus which forms during an acute infection. Periodontics for the dental hygienist chapter 1 periodontium. Periodontium is defined as a set of toothsupporting tissues including the cementum, periodontal ligament, alveolar bone and gingiva. The important difference between a periapical abscess and abscesses of the periodontium are that the latter do not arise from pulp necrosis. Perio week 1 ch 14 part 2 microscopic anatomy of the periodontium edilia marshall, dmd, magd, aaacd. The interdental papillae are pyramidal in shape and occupy the interdental spaces beneath the contact points of the teeth. In contrast to the detailed paragraphs dealing with, for example, enamel and dentine, the section about 40 pages and 20.
This includes the gingival tissue and its supporting bone. Occlusal forces are the physiological functional forces that activate the periodontal mechanoreceptors and maintain the health of the periodontium. Anatomy of the periodontium, a biological basis for. The teeth are connected with the walls of the tooth sockets and anchored in the jaws by the periodontal ligament and the cementum. Periodontium is a complex structure, consisting of epithelial tissue gum and. As such, periodontics is the dental specialty that involves the study of the periodontium. Blood supply to periodontium and gingiva ppt xpowerpoint. Listgarten, who is professor emeritus at the university of pennsylvania and clinical professor of periodontics at the university of california in san. This work is released under a license, that is not compatible with the licensing terms of youtube, facebook, twitter and many other social networks.
The periodontium is the specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones. The gingiva usually exhibits one of the first signs of inflammation through redness, bleeding or swelling. Dentogingival fibres are the most numerous and run from the cervical cementum into the lamina propria of the free and attached gingiva. Antonio nanci, a worldrenowned leader in cell biology, the new ninth edition of ten cates oral histology covers all the latest research and trends in oral histology, embryology, physiology, oral biology, and postnatal growth and development that is essential to success in oral health. Anatomically, the periodontium is the collective term used for those structures that support the teeth in the jawbone, and traditionally includes the following tissues. Gingival biotype is the thickness of the gingiva in the faciopalatal dimension. The 2017 world workshop defines periodontal health as simply a state free from. It is vshaped, and it barely permits the entrance of a periodontal probe. Illustrated dental embryology, histology, and anatomy. Pdf the gums, ligaments, and bone around the teeth form the foundation for ones teeth. Introduction the anatomy and physiology of the healthy periodontium will be described in its relationship to the natural dentition, jaws, and the oral environment. Cementum hard tissue covering of the root that anchors the periodontal ligament to the tooth. Article histological structure of the human and rodent.
Cementum, alveolar bone, periodontal ligament unit iv. It has been suggested that a direct corelation exists with the susceptibility. Anatomy and physiology of the periodontium quizlet. The anatomy and physiology of the healthy periodontium 5 interproximal area, and the position of the ceme ntoenamel junction of the involved teeth. The alveolar bone c is surrounded for the most part by the subepithelial connective tissue of the gingiva, which in turn is covered by the various characteristic gingival epithelia. This website is a small attempt to create an easy approach to understand periodontology for the students who are facing difficulties during the graduation and the postgraduation courses in our field. The gingival sulcus is the shallow crevice or space around the tooth bounded by the surface of the tooth on one side and the epithelium lining the free margin of the gingiva on the other side. The gingiva consists of a free gingival margin and attached. Dental floss being used to clean the gingival sulcus and the tooth. It is not permitted to upload this file to any pages that put them under any other license than the license given here. This online course is devoted to the histology and microscopic anatomy of the periodontium.
Periodontium cementum pdl alveolar bone sharpeys fibers attachment organ cementum periodontal ligament alveolar bone apical foramen pulp cavity enamel dentin slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The junctional epithelium is at the base of the sulcus and is in direct contact with the tooth carranza 2002fig. The anatomy and physiology of the healthy periodontium 9 epithelium is continuous with the epithelium of the oral cavity. The aim of the study was to determine the influence of age on the location of the maxillary mucogingival junction. This book presents an overview of the use of contemporary regenerative techniques in the treatment of periodontal osseous and soft tissue defects. Anatomy of the periodontium an overview of dental anatomy.
Anatomy of the periodontium flashcards from courtney kasts the ohio state university college of dentistry. Tissues and cells of the periodontium hassell 1993. Start studying periodontics for the dental hygienist chapter 1 periodontium. The dentin nbde part 1 pdf free download file has been uploaded to an online repository for the safer downloading of the book. This will include discussions of mouth, jaw, and tooth anatomy, pathology, and treatment.
This network of blood vessels acts as a unit, supplying blood to the soft and solid tissues of the upper jaw and lower jaw. Fiorellini and others published anatomy of the periodontium find, read and cite all the research you need on researchgate. Scribd is the worlds largest social reading and publishing site. Gingivitis on a reduced periodontium in a nonperiodontitis patient box 65, 1. Each chapter is designed to cover an important aspect related to periodontal regeneration, including an understanding of periodontium anatomy, biologic wound healing, regenerative materials, surgical techniques, and clinical applications. In this section were going to discuss the form and function of the periodontium. The fibers of the periodontal ligament are much shorter than depicted here, averaging only 0. The oral mucous membrane lining the remainder of the oral cavity. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Attached gingiva this tissue is adjacent to the free gingiva and is keratinized and firmly attached to the bone structure. The sulcular epithelium is adjacent to the tooth but not connected or attached to the tooth surface. Anatomy the periodontium is the attachment apparatus of the tooth. Gain a deeper understanding of oral health with the definitive text in oral histology. Gingival biotype assessment in a healthy periodontium.
In order to understand how disease processes can affect the oral cavity, it is important to know the structure of the periodontium. Start studying anatomy and physiology of the periodontium. This website provides free medical books this website provides over 0 free medical books and more for all students and doctors this website the best choice for medical students during and after learning medicine. Now, in this section of the article, you will be able to get access to the dentin nbde part 1 pdf free download file in. It is made up of gingiva, periodontal ligament, cementum and alveolar bone fig.
The free gingival margin is situated about 2mm coronal to the cementoenamel junction of the tooth and the attached gingiva extends from the. Anatomy of the periodontium an overview of dental anatomy ce course on. Radiographs of diagnostic quality are necessary for these purposes. It forms a collar, which is separated from the tooth by the gingival sulcus. Find powerpoint presentations and slides using the power of, find free presentations research about blood supply to periodontium and gingiva ppt. Literally taken, it means that which is around the tooth. As more and better orthodontic and periodontal scientific evidences are contextualized, potentially richer will be their achieved clinical results. Fundamentals of periodontics 2nd edition pdf for free. Lecture 3 periodontium and periodontal disease duration. Chapter 6 and conditions periodontal health, gingival. A nearnormal radiograph of periradicular tissues was used as the basis for evaluation of some common. Defined as a group of such tissues that support and surround the teeth.
Fundamentals of periodontics 2nd edition pdf free medical books. This part of the periodontium is not usually visible. Volume71 number 5 may2000supplement journal of periodontology contents parameters of care. Biological basics marinho del santo orthodontist in private practice, neo face dental clinic. The gingiva is pink, firm in texture and extends from the free gingival margin to the mucogingival line. Free gingiva this tissue is not attached and forms a. The anatomy and physiology of the healthy periodontium anthony palumbo stony brook university usa 1. Anatomy of the periodontium the periodontium is an anatomic unit which functions to attach the tooth to the jaw and provide a suspensory apparatus resilient to normal functional forces. Anatomy and physiology of the periodontium flashcards. To date there is a paucity of documentation regarding definitions of periodontal health. In conclusion, within the inherent limitations of this animal study, we found that colchicine exerted an antiinflammatory effect on periodontitis progression in ligatureinduced periodontitis without affecting healthy periodontium. Blood supply to the periodontium vessels of periodontal anastomose togetherto create a comprehensive system of blood vessels that supply blood to the tissues of parodentium.
The periodontium is composed of four different tissue types, the gingiva, alveolar bone. An internationally agreed classification formulated at the world workshop in clinical periodontics in 1989 divided periodontal diseases into 5 groups. It extends from the free gingival groove to the mucogingival junction where it meets the alveolar mucosa. The periodontium surrounds and supports the teeth and consists of four major components. Oral structures are essential in reflecting local and systemic health oral anatomy.
The anatomy and physiology of the healthy periodontium. Read the development of the periodontium a largely ectomesenchymally derived unit, periodontology 2000 on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The gingiva, periodontal ligaments, cementumdentin, and alveolar bonelamina dura, with collective function of keeping the tooth in position despite varying changes and responses during mastication. Fundamentals of periodontics 2nd edition pdf free download. 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 has a significant impact on the outcome of the restorative, regenerative and implant therapy. The periodontium is composed of alveolar bone, periodontal ligament, cementum and gingiva classification. The shape of this papilla varies from triangular and knifeedge in the anterior regions due to point sized contacts of the teeth to broader and more square shaped tissue in the posterior sextants. The ligament is made up of connective tissue and contains collagen fibers. This gingival sulcus is the space between the free gingiva and the tooth. Lindhe and others published anatomy of the periodontium find, read and cite all the research you need on researchgate. Abscesses of the periodontium are categorized as gingival abscess, periodontal abscess and pericoronal abscess. We will talk about differences between patients and the unique roles that different members of the dental field may play in treatment depending on the patient and condition. The main one is to provide mastication control and feedback and the second is to ensure optimum positioning of the teeth on the occlusal table.
Periodontium national library of medicine pubmed health. The periodontium, which is composed of the root cementum, the dentoalveolar process and the periodontal ligament is a unique structure with a variety of functions 73. Perio week 1 ch 14 part 2 microscopic anatomy of the. In the absence of these forces, the periodontium undergoes nonfunctional atrophy, while with occlusal discrepancies or heavy occlusal forces it undergoes destruction.
The anatomy and physiology of the healthy periodontium, gingival diseases their aetiology, prevention and treatment, fotinos s. Sep 15, 2015 assessment of the periodontium has relied exclusively on a variety of physical measurements e. To achieve success in periodontal therapy, the sealing of the junctional epithelium, the insertion of new connective tissue fibers, the formation of new cementum, and the alveolar bone restoration are needed. Mar 02, 2012 periodontium cementum pdl alveolar bone sharpeys fibers attachment organ cementum periodontal ligament alveolar bone apical foramen pulp cavity enamel dentin slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Assessment of the periodontium has relied exclusively on a variety of physical measurements e. In this image, we can visualize the structures in place. The trough around the tooth is called the sulcus and its depth is normally mm. A periodontist is a qualified dentist who specializes in both diagnosing and treating conditions affecting the gums and periodontium. If you continue browsing the site, you agree to the use of cookies on this website. The dorsum of the tongue, covered by specialized mucosa.
Jan 04, 2015 the free gingival margin around a fully erupted tooth is located next to the enamel about 0. Fundamentals of periodontics 2nd edition pdf ammedicine. Periodontium 1 free download as powerpoint presentation. Recorded by du recorder screen recorder for android. All structures are also referred to as the periodontium. Periodontium the tissues of the periodontium combine to form an active, dynamic group of tissues. Histology of the periodontium school of dental medicine. Periodontal anatomy dental hygiene denhyg 1114 with folino. Oral structures and types of teeth jordan university of.
Section ii the healthy periodontium the periodontium is defined as the supporting tissues. Free gingiva this tissue is not attached and forms a collar around the tooth. Periodontium definition of periodontium by medical dictionary. Patients referred to a periodontist may have problems caused by. 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. Watch the video before the lecture on periodontal grafts. Periodontium is a complex structure, consisting of epithelial tissue gum and connective periodontal ligament and mineralized tissue cementum and alveolar bone figure 15.