Impression

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Related to impression coping: transfer coping

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 ?
Custom trays were fabricated and open-tray impression copings were placed, hand tightened, and verified with periapical X-ray for proper seating.
Plastic impression copings were placed over the solid abutments and a master impression was recorded in an addition cured polyvinylsiloxane material (Elite HD+, Zhermack -- Italy).
The cover screws of the implants in the mandible were exposed; impression copings were attached to the implant bodies.