AI Article Synopsis
- The study aimed to assess the long-term effects of dental implants that penetrate the maxillary sinus, focusing on any adverse events related to this procedure.
- It was a retrospective cohort study involving patients who had implants with sinus membrane perforation, all followed for at least 5 years to evaluate potential complications.
- Results showed that none of the 70 patients experienced sinusitis or complications, suggesting that minor implant penetration (up to 3 mm) does not negatively impact sinus health if osseointegration is maintained.
Article Abstract
Objectives/hypothesis: The aim of this study was to evaluate the nature and incidence of long-term maxillary sinus adverse events related to endosseous implant placement with protrusion into the maxillary sinus.
Study Design: Retrospective cohort study.
Methods: All patients who underwent placement of endosseous dental implants with clinical evidence of implant penetration into the maxillary sinus with membrane perforation were included in this study. Only patients with a minimum follow-up of 5 years after implant placement were included in this study. Maxillary sinus assessment was both clinical and radiological.
Results: Eighty-three implants with sinus membrane perforation in 70 patients met the study's inclusion criteria. Mean age was 65.96 years ± 14.23. Twelve patients had more than one implant penetrating the maxillary sinus, and seven of them had bilateral sinus perforation. Estimated implant penetration was ≤ 3 mm in all cases. The average clinical and radiological follow-up was 9.98 years ± 3.74 (range 60-243 months). At the follow-up appointments, there were no clinical or radiological signs of sinusitis in any patient.
Conclusion: This long-term study, spreading over a period of up to 20 years, indicates that no sinus complication was observed following implant penetration into the maxillary sinus. Furthermore, absence of occurrence of such complications is related to the maintenance of successful osseointegration. A contrario, and in the presence of an acute or chronic maxillary sinusitis, the differential diagnosis must always consider other potential odontogenic and nonodontogenic etiologies.
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| http://dx.doi.org/10.1002/lary.24189 | DOI Listing |
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