Abstract
Objectives
To compare the clinical and radiographic outcomes of two sinus floor elevation techniques: the conventional lateral window technique versus the transalveolar approach using a hydrodynamic ultrasonic device.
Materials and methods
The study was designed as a randomized controlled clinical trial, and participants were randomly allocated to the control group (lateral window: LW) or to the test group (hydrodynamic transalveolar approach: HTA). The intraoperative and postoperative data, including procedure duration and patient-reported outcome measures (PROMs), were collected during the surgery and up to 1 year post-surgery. Additionally, qualitative assessment of gained bone volumes and implant survival rates was recorded.
Results
Twenty-two patients were included in the study. The mean surgical time was significantly longer in the HTA compared to the LW group (48.1 ± 11.2 min vs. 35.2 ± 9.1 min, P = 0.0011). Perforation of the Schneiderian membrane occurred in 2/11 and 5/11 patients in the LW and the HTA group, respectively (P = 0.36). Postoperatively, higher morbidity and consumption of nonsteroidal anti-inflammatory drugs (NSAIDs) were associated with the LW group. However, self-reported satisfaction with surgical procedures was similar in the two groups. At 1 year, implant survival rates of 80% in the HTA group and 100% in the LW group were recorded (P = 0.12).
Conclusions
Although the new transalveolar approach seems to reduce postoperative morbidity, an increased risk of intraoperative complications compared to the LW approach needs to be considered when choosing a technique.
Clinical relevance
Our results provide new insights regarding clinical and radiographic outcomes of HTA and may help further determine indications for its use.
Trial registration
ClinicalTrivals.gov: NCT04499625
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Acknowledgements
The authors wish to express their gratitude to Professor Adelin Albert and Laurence Seidel for their help in performing the statistical analyses and proofreading.
Funding
The work was supported by the authors’ institution (Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liege, Belgium). The implants used in this study were received from Nobel Biocare (research grant 2013-1196).
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Bacevic, M., Compeyron, Y., Lecloux, G. et al. Intraoperative and postoperative outcomes of sinus floor elevation using the lateral window technique versus the hydrodynamic transalveolar approach: a preliminary randomized controlled trial. Clin Oral Invest 25, 5391–5401 (2021). https://doi.org/10.1007/s00784-021-03847-2
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DOI: https://doi.org/10.1007/s00784-021-03847-2