Parafusos automacheantes: comparação mecânica no modelo artificial de osso e na vértebra cervical de carneiro Tornillos autoterrajante: comparación mecánica en el modelo artificial de hueso y en la vértebra cervical de oveja Self-tapping screws: mechanical analysis in the model of artificial bone and in the cervical sheep vertebra [PDF]
Coluna/Columna, 2009 OBJETIVO: comparar o novo parafuso travado na placa cervical (CSLP) automacheante com o parafuso convencional cortical automacheante utilizado na fixação da placa cervical anterior, por meio da análise do torque de inserção e da resistência ao ...
Patrícia Silva +6 more
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The Effect of Variable-Pitch Headless Compression Screws and Cortical Screws on Interfragmentary Compression: An In Vitro Polyurethane Foam Block Model [PDF]
AnimalsArticular fractures require precise anatomical reduction and rigid fixation to heal appropriately. In veterinary cases that involve fracturing of the lateral humeral condyle, cortical bone screws inserted in lag fashion with Kirschner wire are the ...
Brendan R. Castellino +4 more
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Finite element analyses of female-thread forming process and loosening proof of self-tapping screw
Nihon Kikai Gakkai ronbunshu, 2023 Tapping screw fabricates the female thread due to plastic deformation during screw rotation. Since the tapping screw skips the preliminary fabrication of female thread, it is widely used for the tightening in the fields of such as electric parts and car ...
Yujin TOMITA +5 more
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Case Studies in Construction Materials, 2023 The bamboo structure has received more and more attention as a green, renewable construction with an increasing focus on environmental issues. Cracking at joints or openings and brittle fracture of bamboo are urgent problems in bamboo structures, leading
Yao Wu +3 more
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Applied Sciences, 2022 Self-tapping screws are commonly used in trauma and maxillofacial surgery and are increasingly used for pedicle screw insertions. In order to evaluate how the quantity and length of cutting flutes on self-tapping pedicle screws affect the insertion ...
Lien-Chen Wu +4 more
doaj +1 more source
Thread Quality Control in High-Speed Tapping Cycles [PDF]
, 2020 Thread quality control is becoming a widespread necessity in manufacturing to guarantee the geometry of the resulting screws on the workpiece due to the high industrial costs.
Arizmendi, Mikel +3 more
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Er:YAG laser, piezosurgery, and surgical drill for bone decortication during orthodontic mini-implant insertion: primary stability analysis-an animal study [PDF]
, 2017 It is important to identify factors that affect primary stability of orthodontic mini-implants because it determines the success of treatment. We assessed mini-implant primary stability (initial mechanical engagement with the bone) placed in pig jaws. We
Matys, Jacek +5 more
core +5 more sources
Buildings, 2023 Self-tapping screws (STS) are used in wood-to-wood and wood-to-steel connections in timber structures. Premature failure of STS during the construction phase has been reported by structural engineers and contractors in relation to a few North American ...
Mehsam Tanzim Khan +3 more
doaj +1 more source
BioResources, 2023 Herein, a beech wood dowel reinforced with a self-tapping screw (composite dowel in brief) is proposed. Composite dowels were welded into the predrilled holes by high speed rotation.
Jie Shen, Xudong Zhu, Jianbing Chen
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Journal of Otolaryngology - Head and Neck Surgery, 2020 Background The BONEBRIDGE (MED-EL, Innsbruck, Austria) is a bone-conduction implant used in the treatment of conductive and mixed hearing loss. The BONEBRIDGE consists of an external audio processor and a bone-conduction floating mass transducer that is ...
Seyed Alireza Rohani +3 more
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