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Cross-sectional diagram of a molar tooth. 1: crown, 2: root, 3: enamel, 4: dentin and dentin tubules, 5: pulp chamber, 6: blood vessels and nerve within root canal, 7: periodontal ligament, 8: apex and periapical region, 9: alveolar bone VITA classical A1-D4 shade guide arranged according to value VITA classical A1-D4 shade guide arranged according to chroma; A: red-brown, B: red-yellow, C ...
Universal numbering system. This is a dental practitioner view, so tooth number 1, the rear upper tooth on the patient's right, appears on the left of the chart. The Universal Numbering System, sometimes called the "American System", is a dental notation system commonly used in the United States. [1] [2]
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 ...
The FDI World Dental Federation notation ("FDI notation" or "ISO 3950" [1]) is widely used by dental professionals internationally to identify and describe a specific tooth. The FDI notation uses a two-digit numbering system in which the first digit represents a tooth's quadrant and the second digit represents the number of the tooth from the ...
Disclosing tablets are chewable tablets that make dental plaque visible. The tablets, sold over the counter in many countries, contain a dye (typically a vegetable dye, such as Phloxine B) that stains the plaque a bright color (typically red or blue). After brushing, one chews a tablet and rinses. Colored stains on the teeth indicate areas ...
The enamel on primary teeth has a more opaque crystalline form and thus appears whiter than on permanent teeth. The large amount of mineral in enamel accounts not only for its strength but also for its brittleness. [6] Tooth enamel ranks 5 on Mohs hardness scale (between steel and titanium) and has a Young's modulus of 83 GPa. [4]