Document Type

Article

Publication Date

7-2015

Abstract

Objective: This study was conducted to assess the primary stability of Trabecular Metal Dental Implant and Tapered Screw Vent Implant to determine the appropriate time for their loading by lower partial overdenture and to follow up for one year the changes in implant stability and crestal bone height surrounding the implant after loading it. Materials and Methods: The study was performed on ten lower Kennedy class I partially edentulous male patients. Each patient received one implant at the second molar area in each side of the ridge, where Trabecular Metal Dental Implant was inserted in the left side of the ridge (Group I) and Tapered Screw Vent Implant was inserted in the right side of the ridge (Group II). Primary implant stability quotient was measured using Osstell® and according to the results early loading of all implants was performed. All patients received lower partial overdenture retained by ball attachment. Patients were followed up clinically to measure secondary implant stability using Osstell® and radiographically to measure crestal bone height changes surrounding the implants using cone beam computed tomography. Results: Both groups showed increase in implant stability and decrease in crestal bone height however, Trabecular Metal Dental Implants showed higher primary and secondary stability mean value and less decrease in crestal bone height throughout one year follow up period. Conclusion: The primary stability of both Trabecular Metal Dental Implant and Tapered Screw Vent Implant allow for early loading yet, Trabecular Metal Dental Implant showed higher primary stability values which could allow for immediate loading. Trabecular Metal Dental Implant reached higher stability values and showed less crestal bone resorption than Tapered Screw Vent Implant in one year follow up period.

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