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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 Once widespread, the belief is now obsolete, having been superseded by more scientific rationales. It was supposed that the disease was caused by small worms resident within the tooth, eating it away. [1]
Pierre Fauchard (French pronunciation: [pjɛʁ foʃaʁ]; 2 January 1679 – 21 March 1761) [1] was a French physician, credited as being the "father of modern dentistry". [2] He is widely known for writing the first complete scientific description of dentistry, Le Chirurgien Dentiste ("The Surgeon Dentist"), published in 1728. [2]
Perdurantism or perdurance theory is a philosophical theory of persistence and identity. [1] In metaphysics the debate over persistence currently involves three competing theories—one three-dimensionalist theory called "endurantism" and two four-dimensionalist theories called "perdurantism" and "exdurantism". For a perdurantist, all objects ...
A Sumerian text from 5000 BC describes a "tooth worm" as the cause of caries. [165] Evidence of this belief has also been found in India, Egypt, Japan, and China. [160] Unearthed ancient skulls show evidence of primitive dental work. In Pakistan, teeth dating from around 5500 BC to 7000 BC show nearly perfect holes from primitive dental drills ...
Geriatric psychology is a subfield of psychology that specializes in the mental and physical health of individuals in the later stages of life. These specialized psychologists study a variety of psychological abilities that deplete as aging occurs such as memory, learning capabilities, and coordination. Geriatric psychologists work with elderly ...
The theory considers the lifelong accumulation of developmental additions and subtractions, with the relative proportion of gains to losses diminishing over an individual's lifetime. [14] According to this theory, life span development has multiple trajectories (positive, negative, stable) and causes (biological, psychological, social, and ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." An Australian scientist says probabilities are the leading cause of the Bermuda Triangle disappearances.
Theoretical psychology is concerned with theoretical and philosophical aspects of psychology.It is an interdisciplinary field with a wide scope of study.. It focuses on combining and incorporating existing and developing theories of psychology non-experimentally.