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Updated: Jan 20, 2026

Dynamic Navigation for Dental Implant Placement
Published on: September 13, 2022
Lesser Digit Implants.
Roya Mirmiran1, Melissa Younger2
1Sutter Medical Group, 2725 Capitol Avenue, Sacramento, CA 95628, USA.
Surgical correction of lesser digit deformities via interphalangeal arthrodesis faces challenges with traditional Kirschner wire (K-wire) fixation. Newer intramedullary devices offer alternatives, but require further study on patient outcomes and cost-effectiveness.
Area of Science:
- Orthopedic Surgery
- Hand Surgery
- Biomaterials
Background:
- Interphalangeal arthrodesis is a surgical procedure to correct lesser digit deformities.
- Traditional fixation uses smooth Kirschner wires (K-wires), which carry risks of migration, breakage, and pin tract infections.
- Alternative digital implant options include nonresorbable, resorbable, and allograft materials.
Purpose of the Study:
- To review the current landscape of fixation devices for interphalangeal arthrodesis.
- To highlight the limitations of traditional Kirschner wire fixation.
- To introduce the availability of newer intramedullary fixation devices.
Main Methods:
- Review of existing literature on fixation methods for interphalangeal arthrodesis.
- Discussion of complications associated with Kirschner wire use.
- Introduction of over 60 novel intramedullary fixation devices for digital surgery.
Main Results:
- Kirschner wires present significant risks including migration, breakage, and infection.
- A wide array of over 60 new intramedullary fixation devices are now available.
- These newer intramedullary implants also possess their own set of inherent risks.
Conclusions:
- The transition from traditional Kirschner wires to newer fixation devices is evident in digital surgery.
- Further research is essential to evaluate patient outcomes and cost-effectiveness of these novel intramedullary implants.
- Comprehensive data is needed to guide optimal implant selection for interphalangeal arthrodesis.
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