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Sci Rep
January 2025
Department of Mechanical Engineering, Faculty of Engineering, Urmia University, Urmia, Iran.
This study investigates the nonlinear dynamics of a system with frequency-dependent stiffness using a MEMS-based capacitive inertial sensor as a case study. The sensor is positioned directly on a rotating component of a machine and consists of a microbeam clamped at both ends by fixed supports with a fixed central proof mass. The nonlinear behavior is determined by electrostatic forces, axial and bending motion coupling, and frequency-dependent stiffness.
View Article and Find Full Text PDFCommunity Health Equity Res Policy
January 2025
Participatory Research at McGill (CIET-PRAM), Department of Family Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada.
Background: In post-conflict Guatemala, Indigenous men's psychological distress has been linked to violence exposure, disrupted social support systems, and structural inequities.
Purpose: We aimed to document how communities themselves understand men's wellbeing and the factors that influence men's wellbeing.
Research Design And Study Sample: Fuzzy Cognitive Mapping with 20 stakeholder groups in Santiago Atitlán and Cuilco, Guatemala defined men's wellbeing in local terms and identified the influences community groups understood to promote and detract from men's wellbeing.
J Prosthodont Res
January 2025
Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
Patient: A 26-year-old man with localized tooth wear and demand for aesthetic rehabilitation of the anterior teeth presented to our department. The patient reported excessive consumption of energy drinks. Furthermore, multiple trauma and tooth fractures have occurred in the past.
View Article and Find Full Text PDFJ Orofac Orthop
January 2025
Clinic of Orthodontics and Pediatric Dentistry, Center of Dental Medicine, University of Zurich, Plattenstrasse 11, 8032, Zurich, Switzerland.
Purpose: The scope of the present study was to create a new harmony box by adding two diagnostically and clinically important cephalometric variables, the gonial and interincisal angles, while also considering the effect of sex and age for a growing Swiss population.
Methods: A healthy sample with an overjet and overbite between 2 and 4 mm, and 1.5 and 4.
Clin Adv Periodontics
January 2025
Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA.
Background: Gingival recession has a multifactorial etiology, involving various predisposing and precipitating factors. Non-carious cervical lesions (NCCLs) are often associated with gingival recession and pose challenges due to their complex pathodynamics. There is limited evidence regarding tunnel-based procedures combined with connective tissue grafts (CTGs) for treating recession-associated NCCLs.
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