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  1. PEN - Penumbra, Inc.

    Yahoo Finance

    191.97-0.84 (-0.44%)

    at Wed, May 29, 2024, 10:39AM EDT - U.S. markets close in 5 hours 18 minutes

    Nasdaq Real Time Price

    • Open 190.51
    • High 192.21
    • Low 189.58
    • Prev. Close 192.81
    • 52 Wk. High 348.67
    • 52 Wk. Low 180.93
    • P/E 81.00
    • Mkt. Cap 7.44B
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  3. Laser pointer - Wikipedia

    en.wikipedia.org/wiki/Laser_pointer

    A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.

  4. List of Walmart brands - Wikipedia

    en.wikipedia.org/wiki/List_of_Walmart_brands

    George – men's casual and dress clothing, shoes, and accessories (previously also women's and children's) Terra & Sky – plus size women's clothing. Time and Tru – misses size women's clothing, shoes, and accessories. Wonder Nation – children's clothing, shoes, and accessories. K Alexander – Men's Accessories.

  5. Tooth whitening - Wikipedia

    en.wikipedia.org/wiki/Tooth_whitening

    Tooth whitening or tooth bleaching is the process of lightening the color of human teeth. [1] Whitening is often desirable when teeth become yellowed over time for a number of reasons, and can be achieved by changing the intrinsic or extrinsic color of the tooth enamel. [2] The chemical degradation of the chromogens within or on the tooth is ...

  6. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    Laser safety. Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to permanent eye injuries, the sale and usage of lasers is typically subject to government regulations.

  7. Dental instrument - Wikipedia

    en.wikipedia.org/wiki/Dental_instrument

    A dental laser is a type of laser designed specifically for use in oral surgery or dentistry. The use of a laser can decrease morbidity after surgery, and reduces the need for anesthetics . Because of the cauterization of tissue there will be little bleeding following soft tissue procedures, and some risks of alternative electrosurgery ...

  8. Dental laser - Wikipedia

    en.wikipedia.org/wiki/Dental_laser

    Dental laser. A dental laser is a type of laser designed specifically for use in oral surgery or dentistry . In the United States, the use of lasers on the gums was first approved by the Food and Drug Administration in the early 1990s, and use on hard tissue like teeth or the bone of the mandible gained approval in 1996. [1]

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