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What was the relationship between gutta percha and the first transatlantic telegraph cable?

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2008-04-04 22:11:58
2008-04-04 22:11:58

Gutta Percha is a flexible rubber-like material. It was used as an outside coating for the first transatlantic telegraph cable.

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The area of Percha is 30.3 square kilometers.


It was a telegraph cable laid in August 1850 by the Anglo-French Telegraph Company, owned by John Watkins Brett. Running from Dover to Calais, it was made of copper coated in gutta-percha.


Percha Dam State Park was created in 1970.


It is a rubber material called gutta percha.


GUTTA PERCHA - semi-plastic, isomer of natural rubber (cis isomer). Harder, cannot be stretched reversibly. Polymeric cones of gutta percha with other constituents such as ZnO, barium sulphate, plasticisers and pigments are used. DISADVANTAGES OF GUTTA PERCHA; - micro voids - voids on insufficient packing - difficult to condense - may stick to instrument on condensing - turns brittle quickly after setting - unsuitable for use by itself - not flexible enough to take the shape of the root and completely seal by itself - needs a paste (sealer) - lacks resilience


Hardy rubber tree, the gutta-percha tree or Du Zhong.


Colin MacLean has written: 'Monkeys, bears and gutta percha' -- subject(s): Social conditions, History


Your tooth should not be a color pink after a root canal! If the center of the tooth is a slight pink that could just be the (gutta percha) which is a rubber base material the dentist fills in the canal with, this take the space where the nerves use to be.. Gutta Percha color is pink... After a root canal and the gutta percha is packed in the canals, the dentist will then fill the center of your tooth with a white or silver filling. If you are not satified with the results simply ask you dentist to put a bit more white filling material on your tooth to hide color of material....most of the time dentist are ok doing that. Aunt Laura


The gutta-percha ball was invented in 1848. Before this people would hit pebbles on sandy beaches.


Hubert L. Terry has written: 'India-rubber and its manufacture' -- subject- s -: Rubber, Balata, Gutta-percha


Susan Louise Moyer has written: 'Silk painting' -- subject(s): Technique, Silk painting, Resist-dyed textiles, Gutta-percha


Stitched bullhide covers stuffed with goose feathers. These were called "featheries". These were replaced by gutta percha and then by rubber band wound around a hollow core and a balata rubber cover.


The canals are also slightly enlarged and shaped to receive an inert (non-reactive) filling material called gutta percha. However, the tooth is not filled and permanently sealed until it is completely free of active infection.


Electrical insulation on a wire or cable composed of plastic. Most wires and cables use plastic insulation. Some other types of insulation used on wires and cables are: enamel, cloth, natural rubber, gutta percha, ceramic, etc.


Remove the abscess composed of dead rotting dental pulp and bacteria, insert a metal reinforcing pin and gutta percha packing to fill the resulting void (so the tooth won't collapse) and finally put on a crown to replace the chewing surface that had to be removed to get to the abscess.


Depende del país, hay algunas palabras que se usa. En Latinoamérica, la palabra más común es "colgante". En España, se usa la palabra "percha".


balata [ˈbælətə]n1. (Life Sciences & Allied Applications / Plants) a tropical American sapotaceous tree, Manilkara bidentata, yielding a latex-like sap 2. (Life Sciences & Allied Applications / Plants) a rubber-like gum obtained from this sap: used as a substitute for gutta-percha [from American Spanish, of Carib origin


The instruments typically used are called Endo Files . . . they come in different lengths and widths. . . . the dentist uses the size relevant to the patients canals along with RC prep to smooth and at the same time enlarge the canals . . . If all goes well the dentist can use Gutta Percha and Sealer to finalize the Root Canal . . (several steps were skipped of course ) .


Cover it with a nonconducting material.In the early days of electrical wiring materials like cotton cloth, natural rubber, and gutta percha were used.Now wires are almost always insulated with plastics (e.g. PVC, nylon, teflon).


Only a dentist can know for absolutely sure, but if you have severe tooth pain or an abscess (an infection of the tooth that can involve swollen gums or jaw), then it's likely you might need one. Any of these symptoms are signs to call your dentist. Root canals are often feared as being horribly painful, but thanks to modern anesthesia they are now only merely uncomfortable at worst. It is best to have one done by an endodontist who specializes in them, and be sure they are using gutta-percha to fill the space left by the nerve, and nothing else.


1. The tooth is numbed with an injection of local anesthetic.2. The crown of the tooth is opened with small bur.3. the contents of the pulp chamber (nerve tissue, blood vessels) are cleaned out.4. The access canals in the roots of the teeth are cleaned, widened, and shaped using small thin files, and the canals are sterilized.5. The canals are filled with a rubber-like material called gutta percha.6. A filling material (amalgam, composite, etc.) is used to fill the pulp chamber.


You can have a root canal performed through a crown. It all depends on the circumstance. A small hole can be drilled into the crown and the root canal can be performed. The hole in the crown is then sealed with an amalgam or composite resin filling. Your dentist will determine if there is too much decay around the crown to perform a RCT with the crown in place. Root Canal Treatment is a process of removing the pulp/nerve inside of the tooth, cleaning it out with little tiny files and paper points to make sure it's clean and dry and then sealing it with a rubber material which is called 'Gutta-Percha'.


The Foulis brothers took the 'Haskell ball' and remolded the outer shell with a bramble marking or pattern. The Haskell ball would tend to 'duck' because of it's outer surface. "and even Jim couldn t keep them from ducking to the ground just off the tee. " It was at that point they remolded the ball with the bramble pattern, the same as the gutta percha ball. "The brothers made quite a bit of money improving the Haskell and making the ball fly further. Besides reselling the Haskell, they also manufactured their own golf balls, calling them the American Eagle "


They are lipid soluble.Monoterpenes are the major components of the oils of geranium, lemon, mint, turpentine, camphor, and caraway, respectively.The Diterpenes include Phytol - a linear terpenoid alcohol which is a component of the photosynthetic pigment Chlorophyll.The Triterpenes include squalene, a biosynthetic precursor to the biosynthesis of cholesterol.Other higher terpenes include the carotenoids, a class of tetraterpine hydrocarbons and their oxygen-containing derivatives.An important carotenoid is B-Carotene, the precursor of vitamin A.Farmesol is an example of a sesquiterpene.Natural rubber and gutta-percha are polyterpenes - consisting of hundreds of isoprene units in regular /and linear/ Order.


A filling is a way to restore or repair a tooth that has been damaged by decay or a fracture that has not reached the pulp chamber of the tooth. If the damage has reached the pulp chamber (the interior of the tooth where the nerve and blood supply are located) a root canal procedure needs to be done.In a simple filling, the decayed part of the tooth is removed and the space is filled and carved to resemble the natural shape of the tooth. In a root canal procedure, the decay is removed along with the nerve and the blood supply. The space is filled with a rubber material called gutta percha. Following a root canal, the tooth frequently needs to be restored with a crown because the tooth will become brittle and at risk of fracturing.A root canal is more involved than a filling and generally will cost more and sometimes take more than one appointment to complete.



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