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.
References in periodicals archive ?
Heartwell mentions two techniques for achieving selective pressure for maxillary impressions. In the first technique, he makes the primary impression with impression compound in a nonperforated stock tray; the borders are refined.
crown and bridge work); and accepted to undergo clinical oral and dental examination, were able to understand and agreed with procedures carried out and used (such as taking alginate maxillary impressions) in the study and who were willing to accept the protocol and gave informed consent were included.
Biologic considerations for maxillary Impressions.In: the Text Book: Boucher's Prosthodontic Treatment for Edentulous Patients.