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In the spine, similar fibres join the intervertebral disc to the adjacent vertebrae. [3] Each fibre is accompanied by an arteriole and one or more nerve fibres. [4] Scottish anatomist William Sharpey described them in 1846, although they were also referred to as the claviculi of Gagliardi after Domenico Gagliardi who described them in 1689. [5]
Sharpey fibers are part of the principal collagenous fibers of the periodontal ligament embedded in the cementum and alveolar bone to attach the tooth to the alveolus. [ 3 ] If cementum can be observed on teeth, it can imply that the roots are exposed, showing that the clinical crown (the exposed part of the tooth) is bigger than the anatomical ...
Principal fibers other than the alveolodental ligament are the transseptal fibers. All these fibers help the tooth withstand the naturally substantial compressive forces that occur during chewing and remain embedded in the bone. The ends of the principal fibers that are within either cementum or alveolar bone proper are considered Sharpey fibers.
The formative role of the dental follicle starts when the crown of the tooth is fully developed and just before tooth eruption into the oral cavity. [2]Although tooth eruption mechanisms have yet to be understood entirely, generally it can be agreed that many factors, together, affect the tooth eruption process which is why it is very difficult to differentiate the causes and effects. [3]
In animal tooth development, cementogenesis is the formation of cementum, one of the three mineralized substances of a tooth.Cementum covers the roots of teeth and serves to anchor gingival and periodontal fibers of the periodontal ligament by the fibers to the alveolar bone (some types of cementum may also form on the surface of the enamel of the crown at the cementoenamel junction (CEJ)).
2 Periosteum and cementum. ... 3 Relation to Periodontal ligament/Periodontal fiber. ... Sharpey's fibres. Add languages. Page contents not supported in other ...
A cementicle is a small, spherical or ovoid calcified mass embedded within or attached to the cementum layer on the root surface of a tooth, or lying free within the periodontal ligament. [1] [2] They tend to occur in elderly individuals. [3] [4] There are 3 types: [5] [6] Free cementicle – not attached to cementum [5]
The association of Sharpey with Thomson lasted during the remainder of Sharpey's stay in Edinburgh. He was elected a fellow of the Royal Society of Edinburgh in 1834, his proposer being Sir Robert Christison. [2] At this time he lived at 3 Alva Street in Edinburgh's West End. [4] In 1835 he was elected a member of the Harveian Society of ...