control tooth
121Mesopotamia, history of — ▪ historical region, Asia Introduction history of the region in southwestern Asia where the world s earliest civilization developed. The name comes from a Greek word meaning “between rivers,” referring to the land between the Tigris and… …
122Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …
123Projet:Médecine/Index — Articles 0 9 1,2 dibromo 3 chloropropane · 112 (numéro d urgence européen) · 1935 en santé et médecine · 1941 en santé et médecine · 1er régiment médical · 2 iodothyronine déiodinase · 2,4,6 trichlorophénol · 2005 en santé et médecine · 2006 en… …
124Teeth cleaning — is part of oral hygiene and involves the removal of dental plaque from teeth with the intention of preventing cavities (dental caries), gingivitis, and periodontal disease. People routinely clean their own teeth by brushing and interdental… …
125Anberlin — performing in Hong Kong, 2011 …
126CEREC — is a dental restoration product that allows a dental practitioner to produce an indirect ceramic dental restoration using a variety of computer assisted technologies, including 3D photography and CAD/CAM. With CEREC, teeth can be restored in a… …
127Second voyage of HMS Beagle — The second voyage of HMS Beagle from 27 December 1831 to 2 October 1836 was the second survey expedition of HMS Beagle , under captain Robert FitzRoy who had taken over command of the ship on its first voyage after her previous captain committed… …
128Beak — For other uses, see Beak (disambiguation). Comparison of bird beaks, displaying different shapes adapted to different feeding methods. Not to scale. The beak, bill or rostrum is an external anatomical structure of birds which is used for eating… …
