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To Remove or Not Remove Non-Conventional Dental Implants? Eleven-Year Retrospective Study on Implant Outcomes
Yifat Manor1,2, Michael V Joachim2, Itay Oz2
1The Maurice and Gabriela Goldschleger School of Dental Medicine, Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel.
Clinical Implant Dentistry and Related Research
|January 16, 2026
Summary
Removing broken osseointegrated dental implants and non-conventional designs presents significant challenges. Clinicians must understand these difficulties to inform implant selection and minimize complications during removal procedures.
Area of Science:
- Dental Implantology
- Oral Surgery
- Biomaterials Science
Background:
- Dental implants are the standard for tooth replacement.
- Mechanical and biologic complications can necessitate implant removal.
- Understanding challenges in implant removal is crucial for clinicians.
Purpose of the Study:
- To assess the challenges associated with dental implant removal.
- To analyze removal difficulties based on various implant designs.
- To evaluate outcomes over an 11-year period.
Main Methods:
- Retrospective study of patients requiring dental implant removal (2014-2024).
- Focus on non-conventional designs: subperiosteal, basal, and broken root-form implants.
- Analysis of mechanical/biological determinants and post-removal rehabilitation.
Main Results:
- 503 implants removed from 264 patients; 40 were non-conventional designs.
- Broken osseointegrated implants are most challenging to remove.
- Basal implants cause substantial bone defects with low reimplantation potential; zygomatic implant preservation is advised.
Conclusions:
- Removal of broken and non-conventional implants poses significant challenges.
- Zygomatic implants carry heightened risks due to size and location; preservation is recommended.
- Clinicians must consider implant removal risks when selecting designs.
