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  2. Milling cutter - Wikipedia

    en.wikipedia.org/wiki/Milling_cutter

    Milling cutters may have from one to many teeth, with two, three and four being most common. Typically, the more teeth a cutter has, the more rapidly it can remove material. So, a 4-tooth cutter can remove material at twice the rate of a two-tooth cutter. Helix angle: The flutes of a milling cutter are almost always helical. If the flutes were ...

  3. Teeth cleaning - Wikipedia

    en.wikipedia.org/wiki/Teeth_cleaning

    In addition to brushing, cleaning between teeth may help to prevent build-up of plaque bacteria on the teeth. This may be done with dental floss or interdental brushes.. 80% of cavities occur in the grooves, or pits and fissures, of the chewing surfaces of the teeth, [4] however, there is no evidence currently showing that normal at-home flossing reduces the risk of cavities in these areas.

  4. Dental drill - Wikipedia

    en.wikipedia.org/wiki/Dental_drill

    Dental drill. A high-speed dental handpiece. 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. The handpiece itself consists of internal mechanical components that ...

  5. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    Annular cutter. An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal. An annular cutter, named after the annulus shape, cuts only a groove at the periphery of the hole and leaves a solid core or slug at the center.

  6. Is Your Cutting Board 200 Times Filthier Than a Toilet Seat?

    www.aol.com/cutting-board-200-times-filthier...

    Food & Wine did some digging and found there's no solid research to back up the claim that cutting boards are 200 times dirtier than toilet seats. Instead, it seems Dr. Charles Gerba is citing a ...

  7. End mill - Wikipedia

    en.wikipedia.org/wiki/End_mill

    An end mill is a type of milling cutter, a cutting tool used in industrial milling applications. They can have several end configurations: round (ball), tapered, or straight are a few popular types. They are most commonly used in "milling machines" that move a piece of material against the end mill to remove chips of the material to create a ...

  8. Hole saw - Wikipedia

    en.wikipedia.org/wiki/Hole_saw

    A hole saw (also styled holesaw), also known as a hole cutter, [1] is a saw blade of annular (ring) shape, whose annular kerf creates a hole in the workpiece without having to cut up the core material. It is used in a drill. Hole saws typically have a pilot drill bit (arbor) at their center to keep the saw teeth from walking.

  9. Broaching (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Broaching_(metalworking)

    Broaching is a machining process that uses a toothed tool, called a broach, to remove material. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common process, the broach is run linearly against a surface of the workpiece to produce the cut. Linear broaches are used in a broaching machine, which ...