The idea of a tooth worm is a theory of the cause of dental caries, periodontitis and toothaches. Once widespread, the belief is now obsolete, having been...
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With a single-start worm, for each 360° turn of the worm, the worm wheel advances by only one tooth. Therefore, regardless of the worm's size (sensible engineering...
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Gear (redirect from Gear tooth)
is a 'helical gear'. A worm may have as few as one tooth. If that tooth persists for several turns around the helix, the worm appears, superficially,...
83 KB (11,259 words) - 11:56, 23 November 2024
Dentistry in ancient Rome (section Tooth anatomy)
that the cause of the conditions that necessitated such treatment was a "tooth worm." According to Pliny the Elder, a 1st-century Roman writer, an established...
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include inflammation of the tissue around the tooth, tooth loss and infection or abscess formation. Tooth regeneration is an ongoing stem cell–based field...
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abscess lanced from the root of a tooth dating back to around 2500 BC. An ancient Sumerian text describes a "tooth worm" as the cause of dental caries....
55 KB (5,641 words) - 14:52, 6 November 2024
Urban Myths (film) (section "Tooth Worms")
tormented by visions of a woman in red. And there is no escape from it. 3 "Tooth Worms" (치충, Chi-chung) Lee Ho-won A man complained of endless toothache visits...
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List of gear nomenclature (redirect from Tooth surface)
case with axes at right angles, it contains the worm axis. The Circular Pitch defines the width of one tooth and one gap measured on an arc on the pitch circle;...
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September 2022. Al Hamdani, Muwaffak; Wenzel, Marian (1966). "The Worm in the Tooth". Folklore. 77 (1): 60–64. doi:10.1080/0015587X.1966.9717030. JSTOR 1258921...
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that inner character was strongly correlated with physical appearance Tooth worm, an erroneous theory of the cause of dental caries, periodontitis, and...
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Toothache (redirect from Tooth ache)
and dates from around 5000 BC. The belief that tooth decay and dental pain is caused by tooth worms is found in ancient India, Egypt, Japan, and China...
83 KB (9,426 words) - 07:07, 9 November 2024
different lead angles on both tooth profiles are obtained, so that the tooth thickness is continuously increasing all over the worm length, while the gap between...
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German tooth worm theory was mistaken in its explanation of dental decay. His observations through the microscope showed there was no evidence of worms. He...
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Rack and pinion (section Comparison with Worm gear)
the worm screw only displaces the rack by one tooth width. By the same token, a rack and pinion mechanism yields a smaller linear force than a worm gear...
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A tooth (pl.: teeth) is a hard, calcified structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly...
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Deciduous teeth (redirect from Tooth, deciduous)
and year (link) Al Hamdani, Muwaffak; Wenzel, Marian (1966). "The Worm in the Tooth". Folklore. 77 (1): 60–64. doi:10.1080/0015587X.1966.9717030. Steve...
22 KB (2,730 words) - 14:24, 22 October 2024
Syöjätär; in a spell against "tooth worm" (Hammasmato, gnawer of teeth and bones, was believed to be the cause of tooth decay and infections) the creature's...
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Ratchets Splines Sprockets Spur gears Worm gears Hobbing is used to produce most throated worm wheels, but certain tooth profiles cannot be hobbed. If any...
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Vagina dentata (redirect from Toothed vagina)
Vagina dentata (Latin for 'toothed vagina') is a folk tale tradition in which a woman's vagina is said to contain teeth, with the associated implication...
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Amphisbaenia (redirect from Worm lizard)
Amphisbaenia /æmfɪsˈbiːniə/ (called amphisbaenians or worm lizards) is a group of typically legless lizards, comprising over 200 extant species. Amphisbaenians...
22 KB (2,433 words) - 21:46, 23 November 2024
Mojin: The Worm Valley (Chinese: 云南虫谷) is a 2018 Chinese action adventure fantasy film. It was directed by Fei Xing and stars Cai Heng, Gu Xuan, Yu Heng...
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sports institution. Although he failed the medical examinations due to a tooth worm, he managed to make the cut during the Bangladesh Football Federation...
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The Latin name may also be translated to its other common name "few-toothed worm-eating rat", referring to the fact that they have only two teeth and...
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which the outer half of a tooth is inclined in the clockwise direction from the axial plane through the midpoint of the tooth as viewed by an observer...
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Megalodon (redirect from Mega tooth shark)
Otodus megalodon (/ˈmɛɡələdɒn/ MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived...
135 KB (12,973 words) - 22:25, 20 November 2024
Priapulida (redirect from Penis worm)
(priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive), sometimes referred to as penis worms, is a phylum of unsegmented marine worms. The...
25 KB (2,372 words) - 04:50, 9 November 2024
Circular saw (redirect from Worm drive saw)
A circular saw or a buzz saw, is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around...
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Year Title Role Notes Ref. 2016 Hiya Lee Jin-ho 2022 Urban Myths Choong-jae Segment: "Tooth Worms" Birth Choi Yang-eop...
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Ampiaisen synty Wasps 2 184 Etanan synty Snails 3 a–g 185 Hammasmadon synty Tooth-worm 4 186 Hauvin synty Pike 5 187 Hevosen synty Horse 6 188 Hirven synty Elk...
31 KB (1,968 words) - 21:38, 10 March 2024
Anisakis simplex (redirect from Herring worm)
Anisakis simplex, known as the herring worm, is a species of nematode in the genus Anisakis. Like other nematodes, it infects and settles in the organs...
23 KB (2,709 words) - 03:46, 17 September 2024