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In this condition, correction of this yellow color can be achieved by using tooth whitening technique to mask the color. [8] Fragoso, et al. (2011) found that applying fluoride paste on enamel surface after microabrasion process provides higher hardness & more enamel smoothness.
The dentinoenamel junction or dentin-enamel junction (DEJ) [1] is the boundary between the enamel and the underlying dentin that form the solid architecture of a tooth. It is also known as the amelo - dentinal junction, [ 2 ] or ADJ.
Cross-section of a tooth. B is dentin. Dentin (/ ˈ d ɛ n t ɪ n / DEN-tin) (American English) or dentine (/ ˈ d ɛ n ˌ t iː n / DEN-teen or / ˌ d ɛ n ˈ t iː n / DEN-TEEN) (British English) (Latin: substantia eburnea) is a calcified tissue of the body and, along with enamel, cementum, and pulp, is one of the four major components of teeth.
[34] [35] The conventional workflow sequence for a diastema closure is 1)Shade selection was done for dentin shade and enamel shade. Composite button samples of different shades are placed on teeth and a dental photography taken to verify 2)Rubber dam isolation 3)Placing a retraction cord. 3)Etching enamel surface, 4)Application of bonding ...
Secondary dentin is darker and more opaque than primary dentin. This gives the dentin an overall darker appearance. [11] At the same time, the enamel layer is gradually thinned by tooth wear processes such as attrition and acid erosion, a degree of which is considered normal. [11] Enamel also becomes less porous and phosphate-deficient.
Dentin: 68 Gold foil: 69 Tooth enamel: 343 Quartz: 820 Silicon carbide: 2480 Diamond: ... C p is the correction factor related to the shape of the indenter, ideally 0 ...
The removed enamel is irreplaceable, and may sometimes expose dentin. It is also known as enameloplasty, odontoplasty, contouring, recontouring, cosmetic contouring, slenderizing, stripping. This procedure offers fast results and can even be a substitute for braces under certain circumstances. [10]
Dentin, less mineralized and less brittle, 3–4 in hardness, compensates for enamel and is necessary as a support. [7] On radiographs, the differences in the mineralization of different portions of the tooth and surrounding periodontium can be noted; enamel appears lighter than dentin or pulp since it is denser than both and more radiopaque. [8]
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