They can: Think of the ligament as a cushion. The Periodontal ligament fibers act as a shock absorber and therefore, they withstand and absorb the impact of masticatory forces. The periodontal ligament, which is often abbreviated as the PDL, is a group of specialized connective tissue fibers that attach the tooth to the alveolar bone. The periodontal ligament is made of various collagen types and has a neurovascular component that is extremely narrow yet very complex. The PDL inserts into root cementum on one side and onto alveolar bone on the other. The PDL fibers support the tooth in the socket and keep the gingival tissues in their proper relationship with teeth and the alveolar bone. 12.6) The periodontal ligament (desmodontium) is a fibrous joint (syndesmosis) that suspends the root of each tooth in its alveolar bone socket. The terminal portion of these principal fibers that insert into the cementum and bone are termed Sharpey’s fibers. The PDL inserts into the root cementum on one side and to the alveolar bone on the other. The periodontal ligament fibers are produced by fibroblasts, connective tissue cells found throughout the body. It will recover from some, minor trauma. [Structure and function of the principal fibers of the periodontal ligament]. The periodontal ligament fibers perform the following main functions. They help hold the gum tissue firmly against the teeth. The gingival fibers are the connective tissue fibers found in the gingival tissue next to the teeth. The periodontal ligament, which is commonly abbreviated as the PDL, is a group of specialized connective tissue fibers which effectively connect a tooth to the alveolar bone. They are collagenous in nature and are arranged in bundles following a wavy course. The fibroblasts of the PDL function specifically to maintain the fiber system which connects the tooth to the alveolar bone. The ligament will respond well. A partial avulsion of a tooth or trauma can heal itself once the trauma is removed. The main function of the periodontium is to attach the tooth to the bone. The main functions of the gingival fibers include the tasks outlined below: Hold the marginal gingiva securely against the tooth Orthodontic tooth movement occurs as a result of resorption and formation of the alveolar bone due to an applied load, but the stimulus responsible for triggering orthodontic tooth movement remains the subject of debate. It has been suggested that the periodontal ligament (PDL) plays a key role. However, the mechanical function of the PDL in orthodontic tooth movement is not well understood as most mechanical models of the PDL to date have ignored the fibrous structure of the PDL. 1. The fibers of the periodontal ligament terminate in a specialized tissue covering the root surface, the cementum. Periodontics 24 years experience. The tissues of the periodontium combine to form a dynamic and active group of tissues. However, the mechanical function of the PDL in orthodontic tooth … They primarily consist of type I collagen, but type III fibers are also involved. The periodontal ligament ( Fig. It has been suggested that the periodontal ligament (PDL) plays a key role. Periodontology Anatomy - Periodontal ligament. It is attached by the alveolar crest, horizontal and oblique fibers of the periodontal ligament. Gingival Fibers - Function. [Article in Spanish] The periodontal ligament fibers are anchored in the cement layer of the tooth and in the alveolar bone. However, this special ligament plays a crucial function in your overall oral health. The cells in the pdl also play a significant role in regeneration and tooth movement. The periodontal ligament (PDL) is a fibrous connective tissue which is present in all teeth. Rev Asoc Odontol Costa Rica. Contrary to the fibers of the periodontal ligament, these fibers generally attach the tooth to the gingival tissue, rather than connecting the tooth to the alveolar bone. Periodontal fibers: the most important elements of the periodontal ligament are the principal fibers. Although called a ligament, your PDL is not like the ligaments that surround an articulating joint. 1969 Apr;3:23-6.

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