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Clinical Effectiveness of Cobalt Chromium CAD-CAM Designed Customized Lingual Retainer
Sponsor: University of Baghdad
Summary
This study aims to evaluate the clinical effectiveness of CAD/CAM 3D printed Chrome Cobalt fixed retainer in maintaining mandibular anterior teeth stability. The Research Question; "Does the Cobalt-Chromium CAD/CAM designed customized lingual retainer better than Stainless steel lingual retainer in improving tooth stability after orthodontic treatment?" The null hypothesis "There is no differences between the fixed CAD/CAM 3D printed Chrome Cobalt customized retainer and the multi-stranded stainless-steel fixed retainer in maintaining mandibular anterior teeth stability."
Official title: Clinical Effectiveness of Cobalt Chromium CAD-CAM Designed Customized Lingual Retainer: a Randomized Clinical Trial
Key Details
Gender
All
Age Range
12 Years - 25 Years
Study Type
INTERVENTIONAL
Enrollment
42
Start Date
2025-07-01
Completion Date
2026-12-30
Last Updated
2025-02-25
Healthy Volunteers
No
Interventions
Stainless steel fixed retainer
The Stainless steel fixed orthodontic retainer is fabricated from a 0.0215-inch, five-stranded stainless steel wire
3D printed CAD/CAM Chrome cobalt fixed lingual retainers
CAD/CAM Chrome cobalt retainers; will be digitally designed by the dental technician using EXOCAD software. Then, they will be printed by DMP Flex100 metal 3D printer and then will be polished. Also, a projection like extensions will be added at the ends of the retainers to avoid slippage in addition to gingivally directed V notch shaped bend in the retainer to increase the retention in the anterior region
Locations (1)
University of Baghdad - College of Dentistry
Baghdad, Baghdad Governorate, Iraq