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There are a number of precautions that clinicians should be aware of when deciding if tooth polishing is indicated. Precautions include; teeth without existing stain, newly erupted teeth, tooth decalcification, hypo-calcification, hypoplasia, demineralization, rampant caries. [5]
The cut of the file refers to how fine its teeth are. They are defined as (from roughest to smoothest): rough, middle, bastard, second cut, smooth, and dead smooth. A single-cut file has one set of parallel teeth while a cross-cut or double-cut file has a second set of cuts forming diamond shaped cutting surfaces. [1]
The carbon content of steel greatly affects its machinability. High-carbon steels are difficult to machine because they are strong and because they may contain carbides that abrade the cutting tool. On the other end of the spectrum, low-carbon steels are troublesome because they are too soft. Low-carbon steels are "gummy" and stick to the ...
1095, a popular high-carbon steel for knives; it is harder but more brittle than lower-carbon steels such as 1055, 1060, 1070, and 1080. It has a carbon content of 0.90-1.03% [7] Many older pocket knives and kitchen knives were made of 1095. With a good heat treat, the high carbon 1095 and O-1 tool steels can make excellent knives.
Cutting tool materials must be harder than the material of the workpiece, even at high temperatures during the process. The following properties are required for cutting tool materials: [1] hardness, hot hardness and pressure resistance; bending strength and toughness; inner bonding strength; wear resistance. oxidation resistance
Stainless Steel Cleaner and Polish Trigger Spray With over 8,000 reviews and a near-perfect score on Amazon—not to mention the brand's "#1 Bestseller" badge—Weiman's Stainless Steel Cleaner ...
These tool steels are low carbon and moderate to high alloy that provide good hot hardness and toughness and fair wear resistance due to a substantial amount of carbide. [1] H1 to H19 are based on a chromium content of 5%; H20 to H39 are based on a tungsten content of 9-18% and a chromium content of 3–4%; H40 to H59 are molybdenum based.
The model has four different brush modes, including clean, white, gum health, and deep clean. The 9300 series is priced slightly lower than the Oral-B Pro Series iO 9 at $199.99, though certain ...