noun, plural: adaptations
(dentistry) The proper fitting of a denture
(dentistry) The exact adjustment of bands to teeth
In ecology, the term adaptation pertains to the adjustment or changes in behavior, physiology, and structure of an organism to become more suited or fit to an environment. According to Charles Darwin's theory of evolution by natural selection, the organisms adapt to their environment to become better fitted to survive and passing their genes on to the next generation.
In other related fields, for instance in ophthalmology, adaptation pertains to the ability of the eye to adjust to various light intensities. The eyes are able to adapt by regulating of the quantity of light entering the eye through the pupil. In neurology, adaptation pertains to the decline in the frequency of firing of a neuron, particularly of a receptor, to changed, constantly applied environmental conditions. In dentistry, adaptation may be defined as the proper fitting of a denture, the exact adjustment of bands to teeth, or the degree of proximity and interlocking of restorative material to a tooth preparation.
Word origin: adaptare = to fit.
- general adaptation syndrome, reality adaptation, social adaptation, light adaptation, reproductive adaptation, space adaptation syndrome, dark adaptation, photopic adaptation.
- adaptational (adjective, of, or pertaining to, adaptation)
- adapt (verb, to fit or suit)