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Sometimes, pressure changes damage teeth (rather than just causing pain). When the external pressure rises or falls and the trapped air within the void cannot expand or contract to balance the external pressure, the pressure difference on the rigid structure of the tooth can occasionally induce stresses sufficient to fracture the tooth or dislodge a filling. [16]
Accounts of pressure-point fighting appeared in Chinese Wuxia fiction novels and became known by the name of Dim Mak, or "Death Touch", in western popular culture in the 1960s. While it is undisputed that there are sensitive points on the human body where even comparatively weak pressure may induce significant pain or serious injury, the ...
The diagnosis of toothache can be challenging, [35]: 80, 81 not only because the list of potential causes is extensive, but also because dental pain may be extremely variable, [44]: 975 and pain can be referred to and from the teeth. Dental pain can simulate virtually any facial pain syndrome. [44]
Traumatic dental injuries are more common in permanent teeth compared to deciduous teeth and usually involve the front teeth of the upper jaw. [48] "The oral region comprises 1% of the total body area, yet it accounts for 5% of all bodily injuries. In preschool children, oral injuries make up as much as 17% of all bodily injuries.
Dental anesthesia (or dental anaesthesia) is the application of anesthesia to dentistry. It includes local anesthetics , sedation , and general anesthesia. Local anesthetic agents in dentistry
Dental anatomy is also a taxonomical science: it is concerned with the naming of teeth and the structures of which they are made, this information serving a practical purpose in dental treatment. Usually, there are 20 primary ("baby") teeth and 32 permanent teeth, the last four being third molars or " wisdom teeth ", each of which may or may ...
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The mesial side of the maxillary central incisor shows the crown of the tooth as a triangle with the point at the incisal edge and the base at the cervix. [10] The root appears cone shaped with a blunt apex. Unlike most other teeth, a line drawn through the center of the incisal edge will also cross through the center of the root apex. [14]