The present study focused on investigating whether universal screwdriver kits cause less friction between the screwdriver and the abutment screw than original screwdrivers. For this purpose, 2 original screwdrivers (Straumann and BEGO) and a universal screwdriver kit (bredent) were investigated. On 1 implant per screwdriver, 26 abutments were properly attached one after the other with the corresponding abutment screws. After tightening the abutment screw, the force required to pull the screwdriver off the screw head was determined with a spring balance. For both manufacturers, greater pull-off forces were measured when using the original screwdrivers than when using the universal screwdriver. The pull-off force (mean ± SD) required for the Straumann original screwdriver was 3.7 ± 1.4 N, while that required for the universal screwdriver was 0.1 ± 0.1 N (P < .001). The pull-off force was 1.5 ± 1.5 N for the BEGO original screwdriver and 0.7 ± 0.9 N for the universal screwdriver (P = .19). Using original manufacturer-supplied screwdrivers could thus minimize the risk of the screwdriver slipping out of the screw head during dental treatment and being swallowed or aspirated by the patient.
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October 2023
CLINICAL DENTAL IMPLANT SCIENCE RESEARCH|
February 13 2024
Comparing Original and Universal Screwdrivers and How They Affect Friction in the Screw
Vasilios Alevizakos, DDS;
Vasilios Alevizakos, DDS
1Research Center for Digital Technologies in Dentistry and CAD/CAM, Department of Dentistry, Faculty of Medicine and Dentistry, Danube Private University, Krems, Austria.
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Nadine Achilles, DDS;
Nadine Achilles, DDS
2Hannover Medical School, Department of Oral and Maxillofacial Surgery, Hannover, Germany.
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Björn Rahlf, DDS;
Björn Rahlf, DDS
2Hannover Medical School, Department of Oral and Maxillofacial Surgery, Hannover, Germany.
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Philipp Jehn, MD, DDS;
Philipp Jehn, MD, DDS
2Hannover Medical School, Department of Oral and Maxillofacial Surgery, Hannover, Germany.
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Constantin von See, DDS;
Constantin von See, DDS
1Research Center for Digital Technologies in Dentistry and CAD/CAM, Department of Dentistry, Faculty of Medicine and Dentistry, Danube Private University, Krems, Austria.
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Marcus Schiller, DDS
Marcus Schiller, DDS
*
2Hannover Medical School, Department of Oral and Maxillofacial Surgery, Hannover, Germany.
*Corresponding author, e-mail: [email protected]
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J Oral Implantol (2023) 49 (5): 532–536.
Citation
Vasilios Alevizakos, Nadine Achilles, Björn Rahlf, Philipp Jehn, Constantin von See, Marcus Schiller; Comparing Original and Universal Screwdrivers and How They Affect Friction in the Screw. J Oral Implantol 1 October 2023; 49 (5): 532–536. doi: https://doi.org/10.1563/aaid-joi-D-20-00249
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