DETECTION OF PRESSURE AREAS FOR ELASTOMERIC IMPRESSIONS WITH AND WITHOUT SPACER USING NOVEL DIGITAL ANALYZING SOFTWARE AND ITS CORRELATION WITH RETENTIONA RANDOMIZED CLINICAL TRIAL

Document Type : Original Article

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Lecturer at the Removable Prosthodontic Department,Faculty of Oral and Dental Medicine, Cairo university.

Abstract

This study was conducted to evaluate the significance of using wax spacer in the impression technique regarding the pressure areas and retention of the complete dentures constructed. Forty patients with edentulous maxillary arches were selected from the outpatient clinic of removable prosthodontics department, faculty of oral and dental medicine, Cairo university .The patients were randomly divided into two groups. Group I received dentures constructed from impression technique with wax spacer while group II received dentures constructed from impression technique with no spacer. On the day of denture insertion pressure areas were detected using pressure indicating paste and denture retention was measured using force gauge. The data was collected and analyzed using student’s t-test. Results: The results showed the percentage of pressure areas for dentures constructed with no spacer were higher than those constructed with spacer showing statistically significant difference p

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