Assessment of Bone Density Changes Around Two Versus Four Implants Supporting Telescopic Retained Overdentures. A Radiographic Evaluation.

Document Type : Original Article

Authors

1 Associate Professor, Department of Prosthodontics, Cairo University, New Giza University

2 Researcher, Surgery and Oral medicine Department, National Research Centre, Cairo, Egypt

3 Lecturer Department of Prosthodontics, Faculty of Dentistry, Cairo University

Abstract

Abstract
Objectives: The aim of this study was to asses changes in bone density in patients received telescopic retained overdentures supported either by two or four 4 dental implants placed inter-foraminally.
Methodology: Twenty patient were divided into two groups to receive telescopic retained overdenture supported either by two implants in the canine area or four implants placed in the inter-foraminal area. Bone density changes were assessed throughout the first year of service (0,3,6,12 months) in patients with an edentulous mandible receiving telescopic retained overdenture. Telescopic overdenture was designed to consist of a primary coping screwed to implant and a secondary coping attached to the fitting surface of the framework. Bone density were assessed using the Digora software.
Results: When comparing the bone density results throughout the study period (0,3,6,12 months), There was no statistically significant difference between (Two implants) and (Four implants) groups. When comparing the average values of bone density along the whole study period, it revealed a non-significant difference between the two groups.
Conclusion: Within the limitation of this study, the use of a properly distributed two or four inter-foraminal implants with telescopic attachments to support and retain an over dentures revealed good bone density results after a one-year follow -up.
Key words; Bone density, Telescopes, overdentures, Implant numbers

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Egyptian Dental Journal
Volume 68, Issue 2 - Serial Number 4
Fixed Prosthodontics, Removable Prosthodontics and Dental Materials
April 2022
Pages 1605-1612

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