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Dental floss (waxed) Levi Spear Parmly (1790-1859), a dentist from New Orleans, is credited with inventing the first form of dental floss. [4] In 1819, he recommended running a waxen silk thread "through the interstices of the teeth, between their necks and the arches of the gum, to dislodge that irritating matter which no brush can remove and which is the real source of disease."
How to Use the Pattern Beauty Hair Steamer. First, detach the cartridge by pressing down on the two buttons on the sides. Then fill the chamber with distilled water above the minimum fill line.
A hair dryer (the handheld type also referred to as a blow dryer) is an electromechanical device that blows ambient air in hot or warm settings for styling or drying hair. [ 1 ] [ 2 ] Hair dryers enable better control over the shape and style of hair, by accelerating and controlling the formation of temporary hydrogen bonds within each strand.
An Afro pick is a type of comb having long, thick teeth which is usually used on kinky or Afro-textured hair. It is longer and thinner than the typical comb, and it is sometimes worn in the hair. [24] [25] Afro picks. The history of the Afro pick dates back at least 5,000 years, as a practical tool that may also have cultural and political ...
Here, we break down what hair steaming is and what products will protect hair from steam. ... 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For premium support please call:
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Various scales and the protractor are used to measure the lengths of lines and angles, allowing accurate scale drawing to be carried out. The compass is used to draw arcs and circles. A drawing board was used to hold the drawing media in place; later boards included drafting machines that sped the layout of straight lines and angles.
Lateral cephalometric radiograph, used for skull analysis Lateral cephalometric radiograph is a radiograph of the head taken with the x-ray beam perpendicular to the patient's sagittal plane. Natural head position is a standardized orientation of the head that is reproducible for each individual and is used as a means of standardization during ...