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Sharpey's fibres in the primary acellular cementum are mineralized fully; those in cellular cementum and bone are mineralized only partially at their periphery. [ 2 ] In the skull , the main function of Sharpey's fibres is to bind the cranial bones in a firm but moveable manner; they are most numerous in areas where the bones are subjected to ...
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The main principal fiber group is the alveolodental ligament, which consists of five fiber subgroups: alveolar crest, horizontal, oblique, apical, and interradicular on multirooted teeth. Principal fibers other than the alveolodental ligament are the transseptal fibers.
Sharpey was born in Arbroath on 1 April 1802, the youngest son of the five children Mary Balfour and Henry Sharpy (sic), a shipowner from Folkestone who died before Sharpey was born. [ 2 ] William was educated at the high school in Arbroath and, in November 1817, began studies at the University of Edinburgh , firstly studying humanities and ...
Cementum situated around a human molar The cementum is the surface layer of the tooth root, covering the dentin (which is labeled B).Rather than being a passive entity like paint on a wall, cementum is a dynamic entity within the periodontium.
The alveolar bone proper is also called bundle bone because Sharpey's fibres, part of the PDL, are inserted there. Sharpey's fibres in alveolar bone proper are inserted at a right angle (just as with the cemental surface); they are fewer in number, but thicker in diameter than those found in cementum. [7]
Soil particles can be classified by their chemical composition as well as their size. The particle size distribution of a soil, its texture, determines many of the properties of that soil, in particular hydraulic conductivity and water potential, [1] but the mineralogy of those particles can strongly modify those properties. The mineralogy of ...
They may appear singly or in groups, [1] and are most commonly found at the tip of the root. [6] Their size is variable, [5] but generally they are small (about 0.2 mm [6] – 0.3 mm in diameter). [5] Cementicles are usually acellular, and may contain either fibrillar or afibrillar cementum, or a mixture of both. [5]