17 Tips For Taking a Good Impression

By LMT Communications, Inc.

Posted Apr 28, 2011 in Technical


Thirty percent of conventional impressions received by laboratories are inadequate, according to respondents to LMT's State of the Industry 2010 Survey. Here, manufacturers offer impression-taking tips to share with your dentist-clients.




  1. Seat impression tray with a slow, steady, vertical seating motion to allow for blending of tray/wash materials. ~ 3M ESPE


  2. To reduce voids, use a stirring motion while syringing and keep the syringe tip immersed to avoid trapping air. ~ 3M ESPE


  3. To avoid tearing at the margin and insufficient retraction, displace tissue to allow the impression material to better access the prepared area. Also use an impression material that ensures sufficient tear resistance, such as Impregum. ~ 3M ESPE


  4. To ensure dimensional stability, the impression must be placed in a Ziploc® bag no more than 120 hours after washing, rinsing...

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About The Author

  • LMT Communications, Inc.

    LMT Communications delivers the business strategies, information, dental laboratory news and education that dental laboratory decision-makers need to succeed. In Print. In Person. Online.

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