There is a constant need for rebasing implant-retained overdentures because of the inevitable continuous absorption of the underlying residual ridge, which results in a lack of proper occlusion and possible rotation of the denture around the retentive components. This step-by-step article describes all of the clinical and laboratory procedures needed for rebasing a mandibular implant overdenture retained with a bar on two implants, securing an accurate fit. This procedure can be applied successfully for rebasing overdentures with different superstructures (ball attachments or magnets), and for replacing worn or damaged retentive components and matrices.
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Prosthetic complications with mandibular bar-retained implant overdentures having distal attachments and metal frameworks: A 2- to 12-year retrospective analysis.
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October 2023
Associate Professor, Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, Bern, Switzerland; Associate Professor, Department of Restorative, Preventive and Pediatric Dentistry, School of Dental Medicine, University of Bern, Bern, Switzerland; Adjunct Professor, Division of Restorative and Prosthetic Dentistry, The Ohio State University, Columbus, Ohio. Electronic address:
Statement Of Problem: Long-term reports on 2-implant-retained overdentures having metal frameworks and bars containing distal attachments are scarce.
Purpose: The purpose of this retrospective study was to evaluate prosthetic complications with 2-implant-retained mandibular overdentures with metal frameworks having either screw- or cement-retained cantilevered bars with distal attachments.
Material And Methods: Seventy-three edentulous study participants who had been treated with mandibular overdentures with 2 implants were included.
Training needs for general dentistry residents to place and restore two-implant-retained mandibular overdentures.
J Dent Educ
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Dr. Malmstrom is Director, Division of General Dentistry, Eastman Institute for Oral Health, University of Rochester; Dr. Xiao is Assistant Professor, Eastman Institute for Oral Health, University of Rochester; Dr. Romanos is Professor, School of Dental Medicine, Stony Brook University; and Dr. Ren is Professor, Eastman Institute for Oral Health, University of Rochester.
Implant therapy is rapidly becoming a standard of care for replacing missing dentition. Predoctoral dental curricula include some training in the implant restorative phase but offer limited exposure to the surgical phase, so it is important for postdoctoral general dentistry residency programs to provide competency training in all phases of implant therapy. The aim of this study was to determine the training needed for general dentistry residents to achieve competence in this area, specifically by defining the number of clinical experiences necessary in both the surgical and prosthetic phases of implant-retained mandibular overdenture construction (IRMOD).
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Implant-supported removable prostheses improve patients' satisfaction with treatment and quality of life. Improvements in the implant's surface and in attachment elements have made this treatment method very successful. However, some biological and mechanical complications remain.
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Professor, Department of Prosthodontics, Aix-Marseille University, Timone Hospital, Odontology Service, Marseille, France. Electronic address:
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