Impression

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Impression

A user's view of an online advertisement. Each time a website viewer sees an online ad, this is one impression. The more impressions an ad receives, the more likely it is that a user will click on it. Most online ads are sold by cost per thousand of impressions. See also: CPC.
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References in periodicals archive ?
In present study (78%) practitioners used stock metal trays for preliminary impressions. This is in contrast to a recent survey of post-doctoral program of dental schools in the United States, where in almost equal preference for both metal and plastic trays were found.7 Although any tray can be used, consistently successful results tend to be produced when rigid trays of appropriate extension are used.19
Imagine no mixing bowls and spatulas to clean up after taking a preliminary impression. Imagine mixing the material with just one touch of a button, rather than squeezing an automix cartridge dispenser.
"My preliminary impression is that we're moving in the right direction, and we found information access was one of the most popular areas," says meeting organizer Sally Katzen, administrator of the Office of Management and Budget's Office of Information and Regulatory Affairs.
* Maxillary preliminary impression was made with impression compound, special tray was fabricated with autopolymerizing acrylic resin, border moulding was done using low fusing compound and final impression was made by providing relief (Figure 2) over the flabby tissue in the maxillary anterior region using light body elastomer and poured with Type III dental stone.
This is in contrast to the studies carried out in other parts of the world where irreversible hydrocolloid (alginate) is the primary material of choice as preliminary impression for many programs (87%).3 In UK it was reported in a survey that 99% of dental graduates give preference to alginate as primary impression material.
This was just a preliminary impression however, based on UN accounts of NATO's methodology.

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