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Related Experiment Video

Updated: Jun 13, 2026

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
05:54

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

Challenges associated with reentry maxillary sinus augmentation.

Ofer Mardinger1, Ofer Moses, Gavriel Chaushu

  • 1Department of Oral and Maxillofacial Surgery, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel. ofer.mardinger@gmail.com

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
|April 27, 2010
PubMed
Summary
This summary is machine-generated.

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Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

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Equipment Required

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Reentry sinus augmentation is predictable despite challenges, but implant failure is higher. Patients need to be informed about the lower success rate of implants in these complex cases.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Dental Implantology
  • Regenerative Dentistry

Background:

  • Sinus augmentation is a common procedure to increase bone height in the posterior maxilla.
  • Previous sinus augmentation failures may necessitate reentry procedures.
  • Understanding the complexities of reentry sinus augmentation is crucial for successful outcomes.

Purpose of the Study:

  • To compare reentry sinus augmentation with primary sinus augmentation.
  • To evaluate the operative challenges and outcomes of reentry sinus augmentation.

Main Methods:

  • Retrospective assessment of 38 patients undergoing sinus augmentation.
  • Study group: 17 patients (21 sinuses) with prior augmentation failure requiring reentry.
  • Control group: 21 patients (21 sinuses) with primary sinus augmentation.

Related Experiment Videos

Last Updated: Jun 13, 2026

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
05:54

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

Main Results:

  • Reentry cases showed significantly higher rates of adhesions, bony fenestrations, limited membrane mobility, and perforations.
  • Sinus augmentation itself was successful in all cases.
  • Implant failure was significantly higher in the reentry group (11%) compared to the primary group (0%).

Conclusions:

  • Reentry sinus augmentation is clinically predictable despite increased complexity.
  • Awareness of anatomical changes from prior failures is essential for surgeons.
  • Patients must be informed of the reduced implant success rates associated with reentry procedures.