Digital Technique to Analyze the Wear of Implants and Natural Tooth as Antagonist.

Not Applicable

Completed

• Conditions: Dental Prosthesis Failure

• Registration Number: NCT05842655
• Lead Sponsor: University of Salamanca

Brief Summary

The aim of this study was to describe a novel digital technique to analyze the wear of screw-retained implant-supported metal-ceramic dental prostheses and natural tooth as antagonist. Materials and methods: Ten patients were consecutively included to rehabilitate partial edentulism by dental implants. Both the screw-retained implant-supported metal-ceramic dental prostheses and the natural tooth as antagonist were submitted to a digital impression through an intraoral scan to generate a Standard Tessellation Language digital file preoperatively (STL1), at 3 months (STL2), and 6 months (STL3) follow-up. Afterwards, an alignment procedure of the digital files (STL1-STL3) was performed on a reverse engineering morphometric software and volume changes at the screw-retained implant-supported metal-ceramic dental prostheses and the natural tooth as antagonist were analyzed using Student's t-test. Moreover, Gage R\&R statistical analysis was conducted to analyze the repeatability and reproducibility of the digital technique.

Detailed Description

Not available

Study Timeline

• Study Start: 2022-01-01
• Primary Completion: 2022-03-01
• Study Completion: 2022-09-01
• Study First Submitted: 2022-12-25
• Status Verified: 2023-05
• Study First Submitted QC: 2023-05-01
• Last Update Submitted: 2023-05-01
• Study First Posted: 2023-05-06
• Last Update Posted: 2023-05-06

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 10

Inclusion Criteria

• in good health, who presented partial edentulism in the posterior upper maxilla, were consecutively included to rehabilitate partial edentulism by dental implants

Exclusion Criteria

• all those who do not meet the inclusion criteria

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Primary Outcome Measures

Name	Time	Method
Wear volume (µm3) of the screw-retained implant-supported metal-ceramic dental prostheses	6 months follow-up appointment	Wear volume (µm3) of the screw-retained implant-supported metal-ceramic dental prostheses at 6 months follow-up appointment
Wear volume (µm3) of the natural tooth as antagonist	6 months follow-up appointment	Wear volume (µm3) of the natural tooth as antagonist at 6 months follow-up appointment

Trial Locations

Locations (1)

University of Salamanca; 🇪🇸 Salamanca, Spain