Technique for retrieving a locked implant‐supported bar overdenture following direct attachment pick‐up procedure

Implant-assisted complete dentures, particularly those utilizing implant-supported bar systems (RP-4), offer significant advantages in patient satisfaction and prosthetic function compared to conventional dentures. However, complications can arise during the direct intraoral pick-up procedure, such as inadvertent resin polymerization in undercut areas, which may lock the overdenture in place. This report introduces a predictable, digitally guided technique to retrieve a locked implant-supported bar overdenture using the original digital design to locate screw access channels and guide targeted occlusal drilling. The method enables the removal of the prosthesis with minimal damage, allowing for chairside repair without the need to remake the denture. This approach enhances the management of such complications and aligns with modern digital workflows in prosthodontics.

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Publication Details

Journal
Journal of Prosthodontics
Published
2025-08-03
DOI
https://doi.org/10.1111/jopr.70015
Citations
1
Primary Topic
Dental Implant Techniques and Outcomes
Type
article
Field-Weighted Citation Impact
1.79
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article

Technique for retrieving a locked implant‐supported bar overdenture following direct attachment pick‐up procedure

Wei‐Shao Lin, Toshiki Nagai, Weiqing Liu, Daizo Ishiguro
1 citations
Journal of Prosthodontics
Dental Implant Techniques and Outcomes
1.79
article

Technique for retrieving a locked implant‐supported bar overdenture following direct attachment pick‐up procedure

Wei‐Shao Lin, Toshiki Nagai, Weiqing Liu, Daizo Ishiguro
article en
1 citations

Abstract

Implant-assisted complete dentures, particularly those utilizing implant-supported bar systems (RP-4), offer significant advantages in patient satisfaction and prosthetic function compared to conventional dentures. However, complications can arise during the direct intraoral pick-up procedure, such as inadvertent resin polymerization in undercut areas, which may lock the overdenture in place. This report introduces a predictable, digitally guided technique to retrieve a locked implant-supported bar overdenture using the original digital design to locate screw access channels and guide targeted occlusal drilling. The method enables the removal of the prosthesis with minimal damage, allowing for chairside repair without the need to remake the denture. This approach enhances the management of such complications and aligns with modern digital workflows in prosthodontics.

Journal of Prosthodontics
The Ohio State University (US), Indiana University – Purdue University Indianapolis (US)
Openalex Percentile: Top 14%
Dental Implant Techniques and Outcomes
1.79
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Technique for retrieving a locked implant‐supported bar overdenture following direct attachment pick‐up procedure — Wei‐Shao Lin, Toshiki Nagai, et al. · Journal of Prosthodontics (2025) | TGRS Research Map | TGRS