primary impression

impression /im·pres·sion/ (im-presh´un)

1. a slight indentation, as one produced in the surface of one organ by pressure exerted by another.

2. a negative imprint of an object made in some plastic material that later solidifies.

3. an effect produced upon the mind, body, or senses by some external stimulus or agent.

basilar impression

cardiac impression an impression made by the heart on another organ.

dental impression one made of the jaw and/or teeth in some plastic material, which is later filled in with plaster of Paris to produce a facsimile of the oral structures present.

im·pres·sion (

m-pr

1. An effect, a feeling, or an image retained as a consequence of experience.

2. A mark or indentation made by the pressure of one organ on the surface of another.

3. An imprint of the teeth and surrounding tissues, formed with a plastic material that hardens into a mold for use in making dentures, inlays, or plastic models.

Impression

An imprint of the upper or lower teeth made in a pliable material that sets. When this material has hardened, it may be filled with plaster, plastic, or artificial stone to make an exact model of the teeth.

Mentioned in: Malocclusion

impression

[impresh′ən]

Etymology: 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 replacement or prosthesis may be formed.

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.

impression [im-presh´un]

1. a slight indentation or depression, as one produced in the surface of one organ by pressure exerted by another.

2. a negative imprint of an object made in some plastic material that later solidifies.

3. an effect produced upon the mind, body, or senses by some external stimulus or agent.

basilar impression

1. platybasia.

2. basilar invagination.

impression,

n an imprint or negative likeness of an object from which a positive reproduction may be made.

impression, anatomic,

n a type that records tissue shape without distortion.

impression, area,

n See area, impression.

impression, boxing of an,

n See boxing.

impression, bridge,

n a type made for the purpose of constructing or assembling a fixed restoration, fixed partial denture, or bridge.

impression, cleft palate,

n a type that records the upper jaw of a patient with a cleft (incomplete closure, or union) in the palate.

impression, closed oral cavity,

n a type made while the oral cavity is closed and with the patient's muscular activity molding the borders.

impression, complete denture,

n a type that records the edentulous arch made for the purpose of constructing a complete denture.

impression, composite,

n a type consisting of two or more parts.

impression compound,

n a hermoplastic material containing a mix of resin, filler, and lubricant components, which is useful in obtaining an imprint or impression of the teeth.

impression coping,

n a medical device used to mark the placement of a dental implant in an impression of the teeth.

impression, correctable,

n an impression with a surface that is capable of alteration by the removal from or addition to some area of its surface or border.

impression, dual,

n See technique, impression, dual.

impression, duplicating,

n See duplication.

impression, elastic,

n a type made in a material that will permit registration of undercut areas by springing over projecting areas and then returning to its original position.

impression, final (secondary impression),

n a type used for making the master cast.

impression, fluid wax,

n an impression of the functional form of subjacent structures made with selected waxes that are applied (brushed on) to the impression surface in fluid form.

impression, functional,

n a type that records the supporting structures in their functional form. See also structure, supporting, functional form of.

impression, hydrocolloid,

n a type made of a hydrocolloid material.

impression, lower,

n See impression, mandibular.

impression, mandibular (lower impression),

n a type that records the mandibular arch and related tissues and dental structures.

impression, material,

n See material, impression.

impression, maxillary (upper impression),

n an impression of the maxillary jaw and related tissues and dental structures.

impression, mercaptan

n a type made of mercaptan (polysulfide), a rubber-base elastic material.

impression, partial denture,

n a type that includes part or all of a partially edentulous arch made for the purpose of designing or constructing a partial denture.

impression, pickup,

n a type made with the superstructure frame in place on the abutments in the oral cavity after the implant has been surgically inserted and the oral cavity has healed. The superstructure frame is included in the impression material, and an accurate impression of the oral mucosal tissue over the implant is obtained.

impression, preliminary,

n (primary impression) a type made for the purpose of diagnosis or the construction of a tray for making a final impression.

impression, primary,

n See impression, preliminary.

impression, secondary,

n See impression, final.

impression, sectional,

n an impression that is made in sections.

impression, silicone,

n a rubber-base elastic type made using a material that contains a silicone. See also silicone.

impression, snap,

n See impression, preliminary.

impression, surface,

n See denture foundation area and surface, basal.

impression, surgical bone,

n a type showing the likeness of the exposed bony surfaces necessary to support the implant substructure.

impression technique,

n See technique, impression.

impression tray,

n See tray, impression.

impression, upper,

n See impression, maxillary.

impression

1. a slight indentation or depression, as one produced in the surface of one organ by pressure exerted by another.

2. a negative imprint of an object made in some plastic material that later solidifies.

3. an effect produced upon the mind, body or senses by some external stimulus or agent.

impression plate

a plastic plate with a central well filled with agar that has a convex surface. The agar is pressed against the tissue to be examined bacteriologically.

dental impression

a mold taken of the teeth or jaw and used in the fabrication of dental appliances to be used in restorative dentistry or orthodontics.

impression smear

a sample of cells, microorganisms or fluids obtained by pressing against the surface of a specimen which may be tissue excised or in situ. Commonly used for cytology examination.

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alginate anatomic autochthonous idea cast dominant idea dual impression technique eye impression Female Prostate fingerprint fixed idea gnathostatic cast hydrocolloid idea idea of reference ideogenetic impressio material mould ocular rigidity			Boiled down to their primary impressions, the Chinese story is tragic, the American one's neurotic and, after some emphatic arguments about love, the Italian one gets down to the business of buxom nude women jumping up and down. SEX, FROM 3 PERSPECTIVES by Daily News (Los Angeles, CA) For all the advances that have been made in roads, telephones, wages and prosperity in eastern Germany, a visitor's primary impression is of landscapes blossoming with idle construction cranes, emblems of a building industry that has peaked, and contradictions. KOHL BECOMES GERMANY'S LONGEST-LASTING CHANCELLOR : FOOD-LOVING, ... by Daily News (Los Angeles, CA)			primary digestion primary disease primary distal RTA primary drive primary drug action primary dysmenorrhea primary effusion lymphoma primary endometriosis Primary energy pattern primary fissure primary fissure of cerebellum primary G cell hyperplasia primary gain primary gangrene Primary headache primary health care primary hemochromatosis primary hemorrhage primary herpetic stomatitis primary histoplasmosis primary host primary hyperoxaluria primary hyperoxaluria and oxalosis primary hyperparathyroidism primary hypertension primary impression primary intention primary iritis primary lateral sclerosis primary lesion Primary Loss primary lung cancer primary lymphoma of brain primary lysosome primary machinery of life primary mental health care clinician primary nondisjunction primary nurse primary nursing primary oocyte primary organizer Primary osteoarthritis primary ovarian follicle primary palate primary pentosuria Primary personality primary physician primary pneumonic plague primary polycythemia primary prevention primary process			primary hypoadrenocorticism Primary Hypokalemic Periodic Paralysis Primary Hypomagnesemia with Secondary Hypocalcemia primary hypothermia primary hypothyroidism primary hypothyroidism primary hypothyroidism Primary Idiopathic Optic Neuritis Primary Image Capture Transformation Element primary imagery dissemination primary imagery dissemination system primary immune anemia primary immune anemia primary immune anemia Primary Immune Deficiency Disease Primary immune disorder Primary immune disorder Primary immune disorder primary immune response primary immune response primary immune response primary immune response Primary immune system white blood cell Primary immunodeficiency Primary Immunodeficiency Association Primary Immunodeficiency Association of Ireland Primary Immunodeficiency Disease Primary Immunodeficiency Network of South Africa Primary Immunodeficiency Organization primary impact crater primary impression primary index primary index Primary Industries and Energy Research and Development Act Primary Industries and Resources South Africa Primary Industries and Resources South Australia Primary Industries Health Committee Primary Industries Innovation Centre Primary Industries Ministerial Council Primary Industries Training Advisory Council Primary Industries Training Council Primary Industry Bank of Australia Primary Industry Market Indicator primary infection primary infection primary infection Primary Information Transfer Node Primary Injection Primary Injection Point Primary Inner Medullary Collecting Duct cells primary inoculation complex primary inoculation complex primary inoculation complex primary inoculation complex Primary Input Device Primary insomnia Primary insomnia Primary insomnia Primary instrument Primary Insurance Amount Primary Integrated View of Models and Simulations

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