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Sinus membrane perforations and the incidence of complications: a retrospective study from a residency program

Kyle Shiffler1, David Lee2, Tara Aghaloo3

  • 1University of California Los Angeles (UCLA) School of Dentistry, Oral and Maxillofacial Surgery, Los Angeles, California, USA.

Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
|April 19, 2015
PubMed
Abstract

Insights

Sinus membrane perforations during sinus augmentation are common, occurring in 59.8% of cases. However, these perforations, regardless of size, did not significantly increase the risk of postoperative complications, which were mainly infections.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Dental Implantology

Background:

  • Direct sinus augmentation is a common procedure to increase bone height in the posterior maxilla.
  • Intraoperative sinus membrane perforations can occur during this procedure.

Purpose of the Study:

  • To evaluate the incidence of sinus membrane perforations during direct sinus augmentation.
  • To determine the relationship between membrane perforations and postoperative complications in a residency program.

Main Methods:

  • Retrospective review of 107 consecutive direct sinus augmentation procedures performed between 2008 and 2012.
  • Analysis of intraoperative membrane perforations and their sizes.
  • Correlation of perforations with postoperative complications.

Main Results:

  • Intraoperative membrane perforations were observed in 64 of 107 cases (59.8%).
  • Most perforations (58) were less than 5 mm, while 6 were 5 mm or larger.
  • Postoperative complications occurred in 5.6% of cases, with no statistically significant difference based on perforation presence or size (P > .05).

Conclusions:

  • Sinus membrane perforation is a frequent occurrence during direct sinus augmentation.
  • The presence and size of intraoperative membrane perforations do not appear to influence the likelihood of postoperative complications.
  • Postoperative complications observed were primarily acute infections.

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