An Alternative Impression Technique for Implant-Retained Overdentures With Locator Attachments

Department of Prosthodontics, Ankara University, Ankara, Turkey.
Journal of Oral Implantology (Impact Factor: 1.02). 12/2010; 36(6):451-3. DOI: 10.1563/AAID-JOI-D-09-00101
Source: PubMed


Locator attachments are commonly used for mandibular implant-retained overdentures. This case report presents an alternative mandibular overdenture impression technique that is pressure free.

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    • "Similarly, in implant overdentures, equitable load sharing between the implants and mucosa might be related to the selected impression technique because of the difference in resilience.2,3 A range of functional impression techniques have been attempted to record the functional form of the edentulous ridge.2,4,5 The functional impression techniques can be divided into two categories: (a) physiological techniques and (b) selective pressure technique. "
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    ABSTRACT: A dynamic impression is a functional impression that records the functional movement of the patient's own muscle and muscle attachment. This process reduces the number of random factors. This article describes a method for making a special tray using a dynamic impression concept that was made from provisional dentures used for implant healing. The individual tray is used to make a wash-impression to record the features of the mucosa in detail. The main advantage of this technique is that it provides a functional relationship of the implant components to the supporting tissues without overextension because provisional denture had been used for 2 months and the border length of individual tray was nearly the same as that of provisional denture. The delivery of the prosthesis constructed using this impression technique is time-saving because there is no need for border molding and there are fewer post-insertion appliance adjustments.
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