Effect of Osseodensification Implant Site Preparation Technique on The Primary Stability of Implant Retained Maxillary Overdentures

Document Type : Original articles

Authors

1 prosthodontics,faculty of dentistry ain shams university

2 Removable Prosthodontics, Faculty of dentistry , Ain shams University, Cairo , Egypt

3 prosthodontics,faculty of dentistry ain shams univeristy

Abstract

Objective: This study was carried out to evaluate the effect of ossedensification implant site preparation technique on the primary stability of implant retained maxillary overdentures using Osstell device
Materials and methods: Six patients with completely edentulous arches were selected. After radiographic examination and denture construction, patients were divided into two groups, Group I Twelve implants were inserted in completely edentulous maxilla using osseodensification technique, Group II Twelve implants were inserted in completely edentulous maxilla using conventional extractional drilling technique. Implant primary stability was measured using Osstell device for both groups immediately after implant placement. The second stage started after four months , in which ball abutments were secured to the implant fixture,then pick up of metal housings was done All data was collected .,tabulated and statistically analysed
Results: the mean of primary stability was 71.50±2.47and 56.83±2.44 for group Ⅰ and group Ⅱ respectively. The difference between the two groups was statistically significant p < 0.001
Conclusion: Within the limitations of the results obtained from this study, it could be concluded that: Osseodensification technique (Densah burs) showed better effect on implant stability than conventional technique ,a situation that may help when immediate loading of implants is planned

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