Related Experiment Video
Updated: Feb 21, 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
Management of Zygomatic Fixture Complication Case Using Extra-Short Implants.
Guilherme Bertolotti Benatto1, Cleuber Rodrigo de Souza Bueno, Victor Prado Curvêllo
1*P-I Brånemark Institute Bauru †Department of Health Sciences, University of Sacred Heart (USC), Bauru ‡Hospital of Craniofacial Anomalies-HRAC, University of São Paulo-USP, São Paulo §Department of Traumatology and Bucomaxillofacial Surgery, University of Sacred Heart (USC), Bauru, Brazil.
Extra-short implants offer a viable solution for complex oral rehabilitation cases. This strategy addresses failures with zygoma implants and fixed prostheses, alongside sinusitis and bone loss.
Area of Science:
- Dentistry
- Oral Implantology
- Maxillofacial Surgery
Background:
- Atrophic maxilla presents significant challenges for dental implant placement, particularly in posterior regions, due to poor bone quality and quantity.
- The maxillary sinus poses an anatomical limitation, complicating standard implant-supported rehabilitations.
- Zygoma implants are a recognized technique for full arch rehabilitation in severe maxillary atrophy, but complications can arise.
Observation:
- This case study focuses on a patient experiencing complications after zygoma fixture placement and fixed prosthesis failure.
- The patient also suffered from sinusitis and alveolar bone loss, indicating a complex reconstructive scenario.
- The limitations of traditional zygoma fixture procedures necessitated an alternative treatment approach.
Findings:
- The study successfully utilized extra-short implants as a strategic alternative to failed zygoma fixtures.
- This approach effectively managed the patient's severe maxillary atrophy, sinusitis, and alveolar bone loss.
- Restoration with extra-short implants provided a stable and functional outcome for the full arch rehabilitation.
Implications:
- Extra-short implants represent a promising alternative for managing complex cases of maxillary atrophy where conventional methods fail.
- This technique may reduce the incidence of complications associated with zygoma implants, such as sinusitis.
- Further research into extra-short implants could expand treatment options for patients with significant bone deficiencies, improving oral rehabilitation success rates.

