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Anatomical deviations preventing access or preparation of canal, including root-canal calcification, pulp stones, severely curved roots, bifurcations, secondary roots, lateral canals, delta apexes, internal and external resorption resistant to conventional treatment and an incomplete apex, may prevent the complete cleaning and preparation of ...
In dental anatomy, the apical foramen, literally translated "small opening of the apex," is the tooth's natural opening, found at the root's very tip—that is, the root's apex—whereby an artery, vein, and nerve enter the tooth and commingle with the tooth's internal soft tissue, called pulp. Additionally, the apical foramen is the point ...
Madam C. J. Walker (born Sarah Breedlove; December 23, 1867 – May 25, 1919) was an American entrepreneur, philanthropist, and political and social activist.She is recorded as the first female self-made millionaire in America in the Guinness Book of World Records.
In 1998, ABB launched the FlexPicker, a robot using a three-armed delta design uniquely suited to the picking and packing industry. In 2000, ABB brought to market the world's first commercial high-voltage shore-to-ship electric power, at the Swedish port of Gothenburg. Supplying electricity to berthed ships from the shore enables vessels to ...
δ. 15. N. In geochemistry, hydrology, paleoclimatology and paleoceanography, δ15N (pronounced "delta fifteen n") or delta-N-15 is a measure of the ratio of the two stable isotopes of nitrogen, 15 N: 14 N. [1]
The judiciary of California interprets and applies the law, and is defined under the Constitution, law, and regulations. The judiciary has a hierarchical structure with the Supreme Court at the apex. The superior courts are the primary trial courts, and the courts of appeal are the primary appellate courts.
Bloom's taxonomy is a set of three hierarchical models used for classification of educational learning objectives into levels of complexity and specificity. The three lists cover the learning objectives in cognitive, affective and psychomotor domains.
Antennas. In telecommunications and radar engineering, the antenna boresight is the axis of maximum gain (maximum radiated power) of a directional antenna. For most antennas the boresight is the axis of symmetry of the antenna. For example, for axial-fed dish antennas, the antenna boresight is the axis of symmetry of the parabolic dish, and the ...