Collagen fibers that support the marginal or interdental gingiva and are adapted to the tooth surface. Tissue enlargement may progress to the point that the tissue obscures the teeth and may interfere with occlusion enlargement tissue appear firm fibrotic, pale pink and resilient, has little tendency to bleed, and has lobed surface appearance enlargement usually through out the mouth and appear more pronounced in the. Nithin mathew gingiva the gingival fibers are arranged in three groups. The symptom of bleeding comprises a score of at least 2 table 18.
Gingival structure, function, and the latest research february 1, 2016 by lifeline cell technology the gingiva or gums is the tissue that surrounds and protects the teeth and underlying bone. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. At the gingival margin there is a sulcus crevice of around 03 mm, and the gingival margins have a sharp knife edge appearance which completely closes the interdental space below the contact point of the adjacent teeth. Gingival pigmentation is presented as a diffuse deep purplish discoloration or as irregularly shaped brown and light brown or black patches, striae or strands. Gingival fibers definition of gingival fibers by the free. From the cementum in the cervical region into the free gingiva to give support to the gingival. Signs and symptoms related to gingival enlargement are seen within 24 mo of initiation of drug intake. Connective tissue 1 mm and junctional epithelial 1 mm. Study 110 the periodontium 1 the gingiva and perio ligament flashcards from sara g. Generally, an ebook can be downloaded in five minutes or less.
A free or unattached or marginal gingiva the free gingival is the terminal edge of the gingival which is usually about 1mm wide and surrounds the teeth the free gingival forms one of the walls of the gingival sulcus and is separated from the attached gingival by a groove called free gingival. Interdisciplinary approach in periodontal therapy 2 free download as powerpoint presentation. The morphometric parameters of the human gingival elastic fiber network were determined by image analysis and compared with human skin elastic fibers in relation to age. Gingiva marginal gingiva attached gingiva gingival sulcus interdental gingiva 6. Melanin, a nonhemoglobinderived brown pigment, is the most common of the endogenous pigments and is produced by. Collagen fibers gets destroyed apical to the junctional epithelium and the area becomes occupied by inflammatory cells and edema.
Study 53 terms perio tissues of the healthy periodontium. Learn vocabulary, terms, and more with flashcards, games, and other study tools. It can cover teeth in various degrees, and can lead to aesthetic disfigurement. Linkedin slideshare is the worlds largest community for sharing presentations and professional content, with 60 million unique visitors a month and more than 15 million uploads.
Gingival fibers financial definition of gingival fibers. The periodontal ligament, commonly abbreviated as the pdl, is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits. Additional instructions and trouble shooting are included with the game. Regardl ess of its cause, gingival enlar gement can cause problems in controlling pl aque, chewing, teething, speech and aesthetics 1. In the end coronal to cementoenamel junction fac of each tooth and attached to the tooth using a specialized type of epithelial tissue paroxizmalnaya form epithelium. This diminishes the healing potential of the supporting tissues. This means that when a probe is placed at the gingival margin in a healthy mouth, it can be inserted up to three millimeters into the sulcus formed. Morphometric analysis of collagen and elastic fibers in. Infection of the pdl becomes possible when detachment of the gingival fibers from the tooth in a luxation injury allows invasion of microorganisms from the oral cavity along the root to infect the pdl. Junctional epithelium and the gingival fibers are considered a functional unit referred to as the dentogingival unit. Gingival enlargement and its treatment authorstream. Epithelial attachment an overview sciencedirect topics.
Embedded in the cementum just beneath the epithelium at the base of the gingival sulcus. Alveologingival fibers come from the periosteum of the alveolar crest on the gingival connective tissue fig. Similarly, collagen fibers were also investigated in both tissues. Nithin mathew gingiva consistency firm and resilient because it is bound to the underlying bone except movable free margin. Collagen fibers and inflammatory cells in healthy and. Jan 23, 2012 gingival fibers prinicipal fibers secondary gp. It is not permitted to upload this file to any pages that put them under any other license than the license given here. Microscopic features of gingiva by dr suhani goel slideshare. The free gingival fibers arise from the surface of the cementum in the cervical region and pass into the free gingiva. Composed of very dense mucosa called masticatory mucosa, it has a thick epithelial covering and keratinized cells. Gingival fibers classification diagram 1 school of dental. Pdf drug induced gingival enlargement researchgate. The current understanding of disease etiology and therapy limits the use of both techniques, but their place in surgical therapy. These fibers reference of the group of adjacent teeth in the dental arch units.
Principal fiber groups this diagram shows the various groups of collagen fibers arranged within the periodontal ligament, anchoring the tooth to bone. The fibers in implants appear very large and follow a circular arrangement around the implant neck. Fibers dentogingival alveolar dentoperiosteal transseptal circular periosteo gingival interpappilary transgingival intercircular intergingival semicircular. Gingival recession is the displacement of the gingival margin apical to the cementoenamel junction resulting in the. The importance of keratinized gingiva surrounding dental implants anita desai, dds, mds. The gingiva gum is a part of the mucous membrane that surrounds the cervical part of the tooth and covers the alveolar process of the jaws fig. The formation of the pdl occurs after the cells of hertwigs epithelial root sheath have formed the strands knows as epithelial rests of malassez. The gingiva is made up of free and attached gingiva. The periodontal pocket is defined as a pathologically deepened gingival sulcus, and it is one of the most important clinical features of the periodontal disease. In this study, 47 healthy patients, 10 75 years old were studied for gingiva and another 50 patients in the same age range were included for skin biopsies.
There are many anticonvulsants, immunosuppressants and calcium channel blockers that may lead to gingival enlargement in varied presentations table table1 1 and figure figure7. Connective fibers attach gingival tissue to cementum and bone. The importance of keratinized gingiva surrounding dental implants anita desai, dds, mds university of pittsburgh, 2015 purpose. Collagenous nature of lamina propria and its contiguity with the mucoperiosteum of the alveolar bone determine the firmness of the attached gingiva.
This is a section through the labial mucosa a and labial gingiva b. Hgf is characterized as a benign, slowly progressive, nonhemorrhagic, fibrous enlargement of keratinized gingiva. A free powerpoint ppt presentation displayed as a flash slide show on id. Mar 19, 2020 there are two types of gingiva that are clearly recognizable and they are known as the marginal gingiva that is mobile and the attached gingiva. Gingival fibers are a network of collagen fiber bundles. Pdf the modified apically repositioned flap to increase the. Implants contain a dense network of collagen fibers that originate from the alveolar bone crest to the gingival margin in a parallel fashion, in contrast to teeth, where the fibers are perpendicular. Circular fibers fiber bundles which run their course in the free gingiva and encircle the tooth in a cuff. They consist of four groups of fibers, each having a different orientation and all supporting the gingiva. These fibers groups connections oral and vestibular interdental papillae posterior teeth fig. Apical migration of junctional epithelium along root.
Gingival connective tissue the gingival connective tissue is largely a fibrous connective tissue that has elements originating directly from the oral mucosa connective tissues as well as some fibers dentogingival that originate from the developing dental follicle. The importance of keratinized gingiva surrounding dental implants. In severe cases, the excess tissue may cover the crowns of the teeth, thus causing functional, esthetic, and periodontal problems, such as bone loss and bleeding, due to the presence of pseudopockets. Fibers dentogingival alveolar dentoperiosteal transseptal circular periosteo gingival interpappilary transgingival intercircular intergingival semicircular 36. From the alveolar crest into the free and attached gingiva to provide. A free or unattached or marginal gingiva the free gingival is the terminal edge of the gingival which is usually about 1mm wide and surrounds the teeth the free gingival forms one of the walls of the gingival sulcus and is separated from the attached gingival by a groove called free gingival groove.
In recent years,flap surgery have been used more often to treat gingival enlargement than gingivectomy. The underlying mucosa is composed of dense collagen fibers. Gingiva is the part of oral mucosa that covers the alveolar processes of jaws. This diagram shows the various groups of collagen fibers arranged within the periodontal ligament, anchoring the tooth to bone. This type of masticatory mucosa is also found on the hard palate. Periodontal pocket reduction surgery limited to the gingival tissues only and not involving the underlying osseous structures, without the use of flap surgery, can be classified as gingival curettage and gingivectomy. Part of oral mucosa that covers the alveolar processes of the.
The guy who did this game probably did it during an acid trip. In addition, there is vasodilation and an increase in vascular permeability. Note there is little or no change in bone height compared to pretreatment as shown in figure 34. Collagen fibers and inflammatory cells in healthy and diseased human gingival tissues. A combination the two process as deepening of gingival sulcus may occur by. There is some recession of the gingival margin, the gingival fibers have repaired, and there is a long junctional epithelium along the root surface. Gingival fibers work to protect against periodontitis and once they are compromised, they cannot be regenerated. Histologically, the gingival inflammation results in a decrease in the density of the gingival connective tissue fibers. The principal fibers of the periodontal ligament in the gingival area are known as the gingival fibers. Gingival connective tissue the gingival connective tissue or lamina propria is made up of collagen fiber bundles called gingival fibers, around which lie ground substance, fibroblasts, blood and lymph vessels and neural tissues 34. Look closely for the gingival fibers c anchored to the cementum and the gingiva. Hereditary gingival fibromatosis hgf, also known as idiopathic gingival hyperplasia, is a rare condition of gingival overgrowth.
The periodontium 1 the gingiva and perio ligament at. When the gingival fibers are destroyed, the gingival sulcus increases in depth. Nerve supply mainly by trigeminal nerve and its branches 37. Gingival enlargement is one of the frequent features of gingival diseases. Start studying perio tissues of the healthy periodontium. Functions of gingival fibers to brace marginal gingiva against tooth. Gingival fibers classification diagram 1 school of. The purpose of this study was to determine if keratinized gingiva has an effect on the success of implants.
The tissue when dried is dull, firm, and immobile, with varying amounts of stippling. Gingival enlargement and its treatment authorstream presentation. There is an increase in vascularity of the gingival tissues. The periodontium 1 the gingiva and perio ligament at nicolet area technical college studyblue flashcards.
These groups of fibers are referred to as principal fibers and are grouped into. It inserts into root cementum one side and onto alveolar bone on the other. The transseptal fiber group number 5, however, is seen only in mesiodistal plane, as these fibers are attached tooth to tooth. Gingival fibers contribute to the firmness of gingival margin. Attached gingiva firm, resilient and tightly bound to the underlying periosteum of alveolar bone by connective tissue fibers.
Inflammatory changes in the connective tissue wall of the gingival sulcus. Clinical photograph of healthy gingivae indicating the main features of. Although this gingival disease is less common than those which are plaqueinduced, it can have a serious impact on the patients overall health. Most games i play are just a remake of another, few are actually original like this one, i mean, few games actually have a different art, music, these kinds of things. Periodontium and periodontal disease sciencedirect. Healthy attached gingiva is pink in color, with some areas of melanin pigmentation possible see figures 210 and 922. It results from melanin granules, which are produced by melanoblasts. The attachment of je to the tooth is reinforced by the gingival fibers, which brace the marginal gingiva against the tooth surface for this reason,the je and the gingival fibers are considered a functional units referred to as the dentogingival unit 34. Interpapillary fibers are papillae coronal above transseptal fiber bundles.
The university of pittsburgh is among the nations most distinguished comprehensive universities, with a wide variety of highquality programs in both the arts and sciences and professional fields. The most common bleeding gingival index used for implants is the loe and silness gingival index. Periodontal pocket probing the only reliable method of locating periodontal pockets and determining their extent is careful probing along each tooth surface. Collagen loss is caused by 2 mecahnisms pmnls and macrophages secrete collagenase and other lysosymes extracelluaraly and destroy collagen fibers in gingival ct matrix metalloproteinases fibroblast phagocytize fibers by extending cytoplasmic process to the ligament cementum interface and degrade the collagen fibers in the cementum matrix 15. The gingival fibers are the connective tissue fibers that inhabit the gingival tissue adjacent to teeth and help hold the tissue firmly against the teeth. Interdisciplinary approach in periodontal therapy 2. Supragingival fiber bundles are classified depending on their orientation, sites of insertion, and patterns that they connect fig. This allows more debris and bacteria to remain in contact with the delicate sulcular and junctional epithelia. The attached gingiva is a masticatory mucosa see chapter 9. Gingival fibromatosis is a rare and heterogeneous group of disorders that develop as slowly progressive, local or diffuse enlargements within marginal and attached gingiva or interdental papilla. Functions of the gingival fiber bundles foundations of.
However due to their varied presentations, the diagnosis of these entities becomes challenging for the clinician. The enlargement can be inflammatory,fibrotic or a combination of both. Plaque induced inflammation appears to be a general stimulating effect regardless of the mechanism of gingival enlargement. This work is released under a license, that is not compatible with the licensing terms of youtube, facebook, twitter and many other social networks. Oral gingival and junctional epithelia surrounding the tooth are associated with three distinct basal laminae figs. All fibers listed in the buccolingual plane are also present in the mesiodistal plane. When teeth are moved to a new position these fibers stretch. They are primarily composed of type i collagen, although type iii fibers are also involved. Loss of alveolar bone support can be seen on a periapical radiograph fig. The importance of keratinized gingiva surrounding dental. Definition of gingival fibers in the financial dictionary by free online english dictionary and encyclopedia.
Ppt chronic periodontitis powerpoint presentation free. Gingival pigmentation cause, treatment and histological. The width of the attached gingiva varies according to its location. Gingival fibers article about gingival fibers by the free.
Ppt chronic periodontitis powerpoint presentation free to. Gingival and dentogingival junctional tissue pocket. Gingival and periodontal pockets are extensions of the gingival sulcus g. They are primarily composed of type i collagen, although type iii fibers are also involved these fibers, unlike the fibers of the periodontal ligament, in general, attach the tooth to the gingival tissue, rather than the tooth to the. Gingival fibers synonyms, gingival fibers pronunciation, gingival fibers translation, english dictionary definition of gingival fibers. Schematic diagram of healing of a treated periodontal pocket. Gingival fibers synonyms, gingival fibers antonyms. Nonplaqueinduced gingival disease is an inflammation of the gingiva that does not result from dental plaque, but from other gingival diseases caused by bacterial, viral, fungal, or genetic sources. Gingival fibers definition of gingival fibers by medical.
View gingival inflammation ppts online, safely and virusfree. These fibers are lost if age related gingival recession proceeds to the. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Produces laminin and play a key role in the adhesion mechanism the attachment of the junctional epithelium to the tooth surface is reinforced by gingival fibers which brace the marginal gingiva against the tooth surface. The aim may be to cover exposed root surfaces or merely to. Id really love if there were more guys doing games like this one. Gingival grafting, also called gum grafting or periodontal plastic surgery, is a generic term for the performance of any of a number of periodontal surgical procedures in which the gum tissue is grafted.
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