impression /impresh″ən/ [L, imprimere, to press into] , 1. (in dentistry and prosthetic medicine) a mold of a part of the mouth or other part of the body from which a dental restoration or prosthesis may be constructed. 2. (in the medical record) the examiner’s diagnosis or assessment of a problem, disease, or condition. 3. a strong sensation or effect on the mind, intellect, or feelings. 4. a slight indentation or depression, as one produced on the surface of one organ by pressure exerted by another. 5. use of an elastomeric material to physically record a prepared tooth impression. Artificial dental stone (gypsum) is poured into the impression, making an exact replica of the tooth/mouth for the construction of a prosthesis. See also indirect restorative method.
