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A high-speed dental handpiece Head of the dental drill. A dental drill or dental handpiece is a hand-held, mechanical instrument used to perform a variety of common dental procedures, including removing decay, polishing fillings, performing cosmetic dentistry, and altering prostheses.
An oral irrigator (also called a dental water jet, water flosser or, by the brand name of the best-known such device, Waterpik) is a home dental care device which uses a stream of high-pressure pulsating water intended to remove dental plaque and food debris between teeth and below the gum line.
ISO 3275:1974 Information processing – Implementation of the 7- bit coded character set and its 7- bit and 8- bit extensions on 3,81 mm magnetic cassette for data interchange ISO 3276:1975 Continuous mechanical handling equipment for unit loads — Belt conveyors (canvas, rubber, plastic, etc.), steel band conveyors and wire mesh belt ...
Stan Lee (born Stanley Martin Lieber [1] / ˈ l iː b ər /; December 28, 1922 – November 12, 2018) was an American comic book writer, editor, publisher and producer. He rose through the ranks of a family-run business called Timely Comics which later became Marvel Comics.
Combined oral contraception decreases total testosterone levels by approximately 0.5 nmol/L, free testosterone by approximately 60%, and increases the amount of sex hormone binding globulin (SHBG) by approximately 100 nmol/L. Contraceptives containing second generation progestins and/or estrogen doses of around 20 –25 mg EE were found to have ...
Energy-level diagram showing the states involved in Raman spectra. Raman spectroscopy (/ ˈ r ɑː m ən /) (named after physicist C. V. Raman) is a spectroscopic technique typically used to determine vibrational modes of molecules, although rotational and other low-frequency modes of systems may also be observed. [1]