Fig. 5. Bone resorption in the follow-up of the control group and the perforation group
Fig. 5. Bone resorption in the follow-up of the control group and the perforation group
Fig. 4. The initial bone level of the control group and the perforation group
Fig. 4. The initial bone level of the control group and the perforation group
Fig. 3. Reasons for perforations
Fig. 3. Reasons for perforations
Fig. 2. Overview of the perforation treatment in the study group
Fig. 2. Overview of the perforation treatment in the study group
Fig. 1. Bone levels after sinus floor elevation
Fig. 1. Bone levels after sinus floor elevation
Peri-implantitis
No peri-implantitis
Perforation group
12
80
Control group
...
One-stage procedure
Two-stage procedure
Perforation group
11
81
Control group
...
Adjusted p values
multiple comparison
Control group
bone level 4 mm
0.0453
Control group
bone level > ...
Bone level preoperatively
Bone level postoperatively
Bone level follow-up
Bone resorption
Perforation group
...
Origin of bone graft
No bone graft
Linea obliqua
Iliac crest
Scapula flap
Perforation...
Implant position
3
4
5
6
7
8...
Beck-Broichsitter, B.E., Westhoff, D., Behrens, E. et al. Impact of surgical management in cases of intraoperative membrane perforation during a sinus lift procedure: a follow-up on bone graft stability and implant success.
Int J Implant Dent 4, 6 (2018). https://doi.org/10.1186/s40729-018-0116-8
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Received: 03 October 2017
Accepted: 03 January 2018
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The authors Benedicta Beck-Broichsitter, Dorothea Westhoff, Eleonore Behrens, Jörg Wiltfang, and Stephan T. Becker declare that there are no existing competing interests concerning this collaborative work.
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Correspondence to
Benedicta E. Beck-Broichsitter.
Department of Oral and Maxillofacial Surgery, Charité–University Medical Center Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
Benedicta E. Beck-Broichsitter
Department of Oral and Maxillofacial Surgery, Schleswig-Holstein University Hospital, Arnold-Heller-Straße 3, Haus 26, 24105, Kiel, Germany
Dorothea Westhoff, Eleonore Behrens, Jörg Wiltfang & Stephan T. Becker
You can al...
This study was not funded.
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In conclusion, and within the limits of its retrospective nature, our study implies that in cases of intraoperative perforation of the Schneiderian membrane, a consequent surgical assessment and treatment might avoid complications regarding graft stability and implant survival. Two-stage procedures might be appropriate if primary stability does not seem to be achievable. Augmentation of the sinus ...
The surgical management in cases of a membrane perforation might also influence the overall postoperative outcome and complications. Although the sinus lifting procedure has been established for many years now, there are no evidence-based guidelines for perforation closure or indications to interrupt the procedure. To date, most existing studies recommend sealing smaller sizes of perforations with...
One implant was lost in the perforation group due to early-onset peri-implantitis, whereas all implants in the control group were still in place. As we had previously prospectively reported on the first 6 months after dental implantation in this cohort [11], there was no further impact of membrane perforation on implant loss for at least 12 to 24 months in this retrospective evaluation. The appe...
The aim of this retrospective cohort study was to evaluate the impact of intraoperative perforations of the Schneiderian membrane during sinus floor elevation on the stability of the augmented area and its influence on osseointegration after implant insertion. Therefore, we could re-assess a patient cohort of originally 34 patients with 41 perforations and compare their outcome with a control grou...
The initial bone level differed significantly (p = 0.05) between both groups with a median value of 5.69 mm in the study group and 3.87 mm in the control group (Fig. 4). A Mann-Whitney-U-Wilcoxon test revealed no significant difference between bone level postoperatively (p = 0.7851; median value control group 17.40 mm; median value perforation group 16.91 mm), in follow-up (p = 0....
The mean control interval was 2.69 (± 2.03) years. At the time of the follow-up examination, the average age was 59.95 (± 11.82) years.
In the remaining collective of 31 patients (96.97%; 12 males (37.54%) and 19 females (59.43%)), a total of 92 implants were inserted. The overview of perforation treatment in the study group is given in Fig. 2, and Fig. 3 depicts the reasons for perforati...
One independent oral and maxillofacial surgeon performed the clinical follow-up examinations according to a standardized protocol. A peri-implant probing including probing pocket depths and recessions on four sites of each implant was assessed as was bleeding on probing (BOP) to determine the status of oral hygiene objectively. Signs of gingivitis and pus suppuration were also recorded. The criter...
Three different oral and maxillofacial surgeons performed the sinus lift procedure with an external approach according to comparable surgical standards and inserted all implants examined in this study in a submerged protocol with uncovering after 3–4 months due to the manufacturer’s surgical recommendations. Specifically, a total of 35 external sinus floor elevations were performed through a ...
In accordance with the WMA Declaration of Helsinki—Ethical Principles for Medical Research Involving Human Subjects, approval was given by the local ethics committee of the Christian-Albrechts-University in Kiel (AZ 132/10). All patients gave informed written consent to participate.
A total of 201 sinus floor elevation procedures, which were performed from 2005 to 2006 in the Department of Oral...
Sinus floor elevation procedures have become a predictable and successful treatment, performed when the maxillary alveolar ridge is atrophied and the bone height is not sufficient for primary implantation. If the postoperative course remains uneventful, the outcome is highly predictable [1,2,3]. However, complications may have a negative impact on the overall treatment success. As a common complic...
Until now, sinus floor elevation represents the gold standard procedure in the atrophic maxilla in order to facilitate dental implant insertion. Although the procedure remains highly predictive, the perforation of the Schneiderian membrane might compromise the stability of the augmented bone and implant success due to chronic sinus infection. The aim of this retrospective cohort study was to show ...