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Updated: Feb 4, 2026

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
Published on: October 18, 2021
Minimal exposure technique in zygomatic implants: A case report
Divye Malhotra1, Variyta V2, Shubh Karmanjit Singh Bawa3
1Department of Oral and Maxillofacial Surgery, Himachal Dental College, Sundernagar, District Mandi, Himachal Pradesh, India.
The Minimal Exposure Technique for Zygomatic Implants (METZI) provides a graft-free solution for severe upper jaw bone loss. This technique minimizes surgical trauma and complications, ensuring stable zygomatic implant integration for maxillary rehabilitation.
Area of Science:
- Oral and Maxillofacial Surgery
- Dental Implantology
Background:
- Severe maxillary bone loss presents challenges for dental implant placement.
- Traditional methods may involve bone grafting, increasing complexity and morbidity.
Purpose of the Study:
- To evaluate the Minimal Exposure Technique for Zygomatic Implants (METZI) as a graft-free approach.
- To assess the safety, efficacy, and outcomes of METZI in patients with significant maxillary atrophy.
Main Methods:
- METZI utilizes detailed pre-surgical planning.
- The technique employs vestibular incisions for precise, minimally invasive zygomatic implant placement.
Main Results:
- METZI demonstrated improved implant stability.
- The technique led to a reduction in complications like hematoma, mucositis, and oroantral communication.
- Favorable outcomes were observed in maxillary rehabilitation.
Conclusions:
- METZI is a safe and less invasive alternative for zygomatic implant rehabilitation.
- The technique effectively addresses severe upper jaw bone loss without bone grafting.
- METZI offers predictable and stable outcomes for patients requiring maxillary reconstruction.
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