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At the core of the tooth is soft connective tissue termed the dental pulp. [8] The pulp is pink/red due to its vascularity, but is rarely visible through the overlying enamel and dentin unless the thickness of these layers is reduced by tooth wear (or rarely internal resorption). Public opinion of what is normal tooth shade tends to be distorted.
The perception of tooth colour is multi-factorial. Reflection and absorption of light by the tooth can be influenced by a number of factors including specular transmission of light through the tooth; specular reflection at the surface; diffuse light reflection at the surface; absorption and scattering of light within the dental tissues; enamel mineral content; enamel thickness; dentine colour ...
Cost: $300 | Cleaning: Oscillating-rotating | Color options: Black, white, pink, blue. Across the board, the Oral-B Pro Series iO 9 was a favorite among the experts we asked. It also has fantastic ...
"Teeth whitening is the process of bleaching the middle layer of the tooth to make the overall appearance of the tooth whiter," says Naomi Levy Goldman, DMD, Cosmetic & Restorative Dentist. "This ...
The teeth of Arctodus pristinus transition between undulating to acute-angled Hunter-Schreger bands while Arctodus simus exhibited a transition between undulating to zigzag bands, demonstrating an evolution towards reinforced tooth enamel. This has been convergently evolved with giant pandas, agriotheriin bears, and Hemicyon. [9]
Nowadays other means of interdental cleaning are preferred such as dental floss, toothbrushes, and oral irrigators. Dentistry Dentists generally prefer floss to picks because of possible damages to oral health, [ 9 ] specifically to the gum, to tooth enamel (if chewed), to tooth roots (if the gum is pushed low enough).