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Volume 27 , Issue 5
September/October 2012

Pages e93e95

Two-Piece Impression Procedure for Implant-Retained Orbital Prostheses

Tuncer Burak Ozcelik, DDS, PhD/Burak Yılmaz, DDS, PhD

PMID: 23057049

Obtaining an accurate impression of facial tissues with undercuts and extraoral implants has always been a challenge for both clinicians and patients. This report describes a three-step, two-piece technique that enables an accurate and comfortable impression of undercut tissues and extraoral implants in an orbital defect. An impression of the basal tissue surface of the defect area was made using a medium-body polyether impression material followed by an impression of the entire face of the patient made with a polyvinyl siloxane (PVS) impression material. First, the PVS impression material was removed; second, the impression posts were removed from the magnets; and third, the polyether impression was removed from the defect. The impression posts were attached to the implant analogs and placed in the negative spaces in the polyether impression. The polyether impression, which carries the implant analogs and impression posts, was placed in the PVS impression through the negative spaces. This technique minimizes trauma to the soft tissues and implants during impression making and also does not require additional materials. Int J Oral Maxillofac Implants 2012;27:e93e95

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