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Digital Workflow for Implant-retained Auricular Prosthesis Using Modified 3D Surgical Guide and Negative Mold: A Case
Yerramsetti Ajay1, Manju Vijayamohan2, Arjun Krishnadas3
1Department of Prosthodontics and Crown & Bridge, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS, Kochi, Kerala, India.
The Journal of Contemporary Dental Practice
|October 4, 2025
Summary
A computed tomography (CT)-guided digital workflow precisely positions implants for auricular prostheses. This patient-specific approach enhances retention, esthetics, and satisfaction for traumatic ear loss rehabilitation.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomedical Engineering
- Prosthodontics
Background:
- Implant-retained auricular prostheses demand precise implant placement for optimal function and appearance.
- Digital planning software and radiographic imaging enable patient-specific prosthetic rehabilitation.
Purpose of the Study:
- To demonstrate a computed tomography (CT)-guided, digitally designed workflow for implant-retained auricular prosthetic rehabilitation.
- To address challenges in auricular reconstruction following traumatic ear loss.
Main Methods:
- A 45-year-old male with traumatic right auricular loss underwent CT-guided implant placement using a 3D-printed surgical guide.
- Custom negative molds and CAD/stereolithography printing were utilized for prosthesis fabrication.
- Peri-implant soft tissue management included debulking, skin grafting, and stent-supported healing.
Main Results:
- The CT-guided digital workflow facilitated accurate implant positioning.
- The fabricated silicone prosthesis offered favorable esthetic integration and functional comfort.
- The patient reported high satisfaction with the implant-retained auricular prosthesis.
Conclusions:
- A CT-based digital workflow, incorporating modified 3D surgical guides and custom negative molds, improves precision and outcomes in auricular reconstruction.
- This patient-specific approach enhances prosthesis retention, soft tissue health, and esthetic results.
- Digital tools and precise implant placement are valuable for orofacial rehabilitation and improving patient quality of life.
