Category: D
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Deafferentation
Cutting off of the afferent nerve supply.
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Dead tooth
A nonvital tooth by clinical standards, having had the pulp removed by endodontic treatment. The term is a poor choice because, if the periodontal tissues are healthy, the tooth will continue to function without symptoms.
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Deactivation
The process of becoming or making inactive.
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Dazzle
Dimming of vision due to intense stimulus of very bright light.
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Daubert’s test
A set of legal standards governing the admissibility of scientific evidence or expert testimony in a court of law. According to Daubert, the evidence must be empirically tested, published, and peer reviewed, have known rates of error, and be explainable with clarity and simplicity to the court.
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Daubenton’s plane
A plane passing through the opisthion and inferior bones of the orbits.
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Datum
A single piece or item of information, e.g., a statistic, date, or fact.
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Data safety monitoring board
An independent group of scientific investigators who oversee the interim findings of a research project to determine whether the research undertaken is proceeding without evidence of harm to the subjects enrolled in the study.
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Data modeling
The analysis of data, e.g., to make a practical impact on health care practices or business operations.
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Interim data
Scientific information that is studied part way through a medical research project to see whether there are hazards associated with the study or clear benefits from one treatment or another.