Risk factors for sinus membrane perforation during lateral window maxillary sinus floor elevation surgery: A retrospective study

2021 ◽  
Author(s):  
Qin Shao ◽  
Jialu Li ◽  
Rui Pu ◽  
Yuting Feng ◽  
Zhiwei Jiang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Retrospective Study ◽  
Maxillary Sinus ◽  
Sinus Floor Elevation ◽  
Membrane Perforation ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Sinus Membrane ◽  
Maxillary Sinus Floor Elevation

Indirect Osteotome Maxillary Sinus Floor Elevation: An Update

2012 ◽  
Vol 38 (6) ◽  
pp. 799-804 ◽  
Author(s):  
Javier Romero-Millán ◽  
Luis Martorell-Calatayud ◽  
Maria Peñarrocha ◽  
Berta García-Mira
Keyword(s):  
Maxillary Sinus ◽  
Survival Rates ◽  
Graft Material ◽  
Sinus Floor Elevation ◽  
Posterior Maxilla ◽  
Membrane Perforation ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Bone Height ◽  
Maxillary Sinus Floor Elevation

The objective was to review publications on indirect osteotome maxillary sinus floor elevation (OMSFE) procedures. Studies published between 1999 and 2010 on patients with a minimum of 1 year of follow-up were analyzed. Fourteen studies were included. Indirect OMSFE is indicated for a bone height of 6–8 mm. More bone height was gained when graft material was used. Schneiderian membrane perforation was the most frequent complication. Survival rates varied between 93.5% and 100%. Osteotome sinus membrane elevation is a predictable and effective procedure for placing implants in areas of the posterior maxilla with low bone height.

scholarly journals Clearance of Bone Substitute in Gel Form Accidentally Dispersed into the Sinus Cavity during Transcrestal Maxillary Sinus Floor Elevation: Two-Case Report

Sinusitis ◽  
2021 ◽  
Vol 5 (2) ◽  
pp. 132-140
Author(s):  
Fabio Bernardello ◽  
Teresa Lombardi ◽  
Claudio Stacchi
Keyword(s):  
Case Report ◽  
Maxillary Sinus ◽  
Bone Substitute ◽  
Intraoperative Complication ◽  
Sinus Floor Elevation ◽  
Sinus Cavity ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Sinus Membrane ◽  
Maxillary Sinus Floor Elevation

Sinus membrane perforation is the most frequent intraoperative complication occurring during maxillary sinus floor elevation. Although numerous techniques for perforation management are present, grafting material dissemination may still occur, representing a potential trigger factor leading to acute or chronic sinusitis. This case report describes two cases of xenogeneic bone substitute in gel form accidentally dispersed into the sinus cavity during maxillary sinus floor elevation with a transcrestal approach. In both cases, immediately postoperative radiographic imaging showed an important amount of gel graft dislodged into the sinus cavity as a consequence of hidden perforations that remained undetected during surgery. Patients were monitored for 6 months after surgery and reported no signs or symptoms related to possible sinus disease. Control radiographs showed no sinus membrane hypertrophy and/or presence of residual disseminated gel, confirming complete clearance of the accidentally dispersed graft through the ostiomeatal complex. In order to minimize postoperative complications, bone substitutes in gel form could represent an interesting alternative to granular grafts for their easier clearance from the maxillary sinus cavity in case of accidental dissemination during sinus augmentation procedures.

scholarly journals PRF-Solution in Large Sinus Membrane Perforation with Simultaneous Implant Placement-Micro CT and Histological Analysis

Membranes ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 438
Author(s):  
Horia Mihail Barbu ◽  
Stefania Andrada Iancu ◽  
Violeta Hancu ◽  
Daniel Referendaru ◽  
Joseph Nissan ◽  
...  
Keyword(s):  
Maxillary Sinus ◽  
Micro Ct ◽  
Implant Placement ◽  
Membrane Perforation ◽  
Sinus Floor Augmentation ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
The Mean ◽  
Maxillary Sinus Floor Augmentation ◽  
Sinus Membrane

Background: The purpose of the study was to analyze the efficacy of platelet-rich fibrin (PRF) as a single augmentation material for complicated cases of maxillary sinus floor elevation, resulting from membrane perforation or previous infections. Methods: Implant insertion in the posterior region of the maxilla was simultaneously performed with maxillary sinus floor augmentation. Schneiderian membrane elevation can be accompanied by extremely serious sinus membrane perforation, due to accidental tearing or intended incision for mucocele removal. PRFs were placed in the sinus cavity both for membrane sealing and sinus floor grafting. Radiological, histological and micro-CT analyses were performed. Implant survival was assessed every 6 months for 1 to 4 years, with a mean follow up of 1.8 years, after prosthetic loading. Radiological examinations were performed on CBCT at 9 and 12 and 36 months postoperatively and revealed improved degrees of radiopacity. Results: 19 implants were simultaneously placed in the course of nine maxillary sinus floor augmentation surgeries, with successful outcomes in terms of bone grafting and implant integration. New bone formation was evidenced 12 months postoperatively on radiological examination, micro-CT analysis, and histological analysis of a harvested bone segment from the augmented maxillary sinus. The mean gain in bone height of the sinus floor augmentation was 6.43 mm, with a maximum of 9 mm. The mean amount of vital bone obtained from histologic assessment was 52.30%, while bone volume/tissue volume ratio in micro-CT 3D had a mean of 50.32%. Conclusions: PRF may be considered as an alternative treatment for a single surgery of sinus augmentation with simultaneous implant placement, even in complicated cases with significant sinus membrane tearing.

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