Category: F
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Factitial dermatitis
A skin irritation or injury that is self-inflicted.
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Four-handed dentistry
Extensive use of a chairside dental assistant to facilitate and enhance the productivity of the dentist.
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Forensic dentistry
The area of dentistry particularly related to jurisprudence; usually, the identification of unknown persons by the details of their dentition and tooth restorations.
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Delusion of grandeur
An unreasonable conviction of one’s own power, importance, or wealth, accompanied by a feeling of well-being, seen in manic patients.
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Fixed delusion
A delusion that remains unaltered.
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Functional iron deficiency
A lack of iron significant enough to affect the development of healthy red blood cells. It may precede the appearance of measurable anemia.
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Filling defect
An interruption of the contour of a body structure revealed by radiographic contrast material. It may be due to an obstruction caused by blood clots, emboli, malignancies, or extrinsic compression. A deviation seen in contrast X-rays can be due to a lesion taking up space within a hollow organ. Generally, during contrast X-rays, a substance…
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Functional death
Central nervous system death with vital functions being artificially supported.
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Fetal death
Spontaneous demise of the fetus occurring after the 20th week of gestation. The cause is often unknown; however, fetal death often is associated with maternal infection, diabetes mellitus, fetal and placental abnormalities, and pre-eclampsia.
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Flow cytometer
A device for measuring thousands of cells as they are forced one at a time through a focused light beam, usually a laser. Cells studied by this device need to be in an evenly dispersed suspension.