| study model |
A positive likeness of dental structures (teeth and adjoining tissues) for the purpose of study and treatment planning.
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| study model |
A diagnostic cast of an impression of the dental arches or a part thereof, trimmed with the arches articulated and the edges perpendicular to the occlusal plane. The study model serves as the basis for construction of dental applianc
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| study, blinded |
In research, a study in which the subjects and/or the researchers are unaware of which group is receiving active treatment and which is receiving a placebo. Blinding reduces the potential for bias.
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| study, case-control |
An investigative technique used in epidemiology and medical research whereby cases are selected for study on the basis of the dependent variable, i.e., the presence (study group) or absence (control group) of the condition or
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| study, double-blinded |
A method of scientific investigation in which neither the subject nor the investigator knows what treatment, if any, the subject is receiving. At the completion of the experiment, the blinding is removed and data are analyz
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