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Coronal cementum - where the enamel overlaps the cement. Abutment - It is also known as vis a vis relation, where the cement and enamel meet at the butt joint, occurring in 30% of sections, and the least common, occurring in 10% of sections. Gap between cementum and enamel exposing the dentin. [5]
[2] [3] [4] It is formed when there is an alteration in the reduced enamel epithelium and encloses the crown of an unerupted tooth at the cemento-enamel junction. Fluid is accumulated between reduced enamel epithelium and the crown of an unerupted tooth. Dentigerous cysts are the second [5] most prevalent type of odontogenic cysts after ...
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Cementicles are small, spherical or ovoid calcified masses embedded within or attached to the cementum layer on the root surface of a tooth, or lying free within the periodontal ligament. [19] [20] Cemental spurs can be found at or near the CEJ. These are symmetrical spheres of cementum attached to the cemental root surface, similar to enamel ...
Enamel signs are popular among collectors due to their striking designs and sturdiness. Collecting enamel signs rose in popularity during the late 1970s. [5] Some collectors are interested in signs about gasoline or about domestic products such as tobacco. A sign gets its value by a combination of size, design, condition, and product advertised.
A multiview projection is a type of orthographic projection that shows the object as it looks from the front, right, left, top, bottom, or back (e.g. the primary views), and is typically positioned relative to each other according to the rules of either first-angle or third-angle projection. The origin and vector direction of the projectors ...
The dentino-enamel junction is thought to be a scalloped structure, which has occurred as an exaptation of the epithelial folding undergone during ontogeny. This scalloped exaptation has then provided stress relief during mastication and a reduction in dentin-enamel sliding and has, thus, not been selected against, making it an accidental ...
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