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Clinical Outcomes of Dental Implants Placed in the Augmented Maxillary Sinus:A 5‑Year Retrospective Study Publisher



Naseri R1 ; Ghadirian A2 ; Shirani M3
Authors
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Authors Affiliations
  1. 1. Department of Periodontics, Dental Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Periodontics, Dental Students’ Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Prosthodontics, College of Dentistry, University of Saskatchewan, Saskatoon, Canada

Source: Dental Research Journal Published:2025


Abstract

Background: Factors influencing the success of an implant placed in augmented maxillary sinus need to be recognized.The aim of this study was to investigate the effect of various oral health conditions and treatment plan details on the clinical and radiographical outcomes of implants placed in the augmented sinus. Materials and Methods: In this clinical retrospective study, 39 participants (81 implants) that received dental implants after sinus lifting between January 2005 and July 2016 were evaluated.All the participants were examined by an operator clinically and radiographically in a blinded manner. A checklist including oral health and host condition, implant and prosthesis characteristics, and surgical approach variables was completed for each participant.The effect of these variables on probing depth (PD),marginal bone loss,bone formation in sinus,and patient satisfaction was analyzed using analysis of covariance models. P <0.05 was considered statistically significant. Results: Survival rates after surgery and restoration placement were 93% and 100%, respectively. PD was found to be significantly higher in restorations with infragingival finish lines over 1.5 mm and in implants with score “2” for gingival index. Moreover, more bone formation was observed in implants with score “0” compared with score “2” for gingival index. In addition, the participants with plaque score “0” reported significantly more satisfaction than the participants with score “2” for plaque index. Conclusion: Inflamed gingiva was associated with more PD and less peri‑implant bone formation in maxillary sinus. In addition, more patient satisfaction was reported by participants that had better plaque control. © 2025 Dental Research Journal.
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