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| http://dx.doi.org/10.1177/095952873501900118 | DOI Listing |
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Fracture resistance of analog and CAD-CAM long-span fixed provisional restorations: An in vitro experimental study.
J Prosthodont
January 2025
The Office of Assistant Dean for Research, School of Dental Medicine, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico.
Purpose: This study aimed to evaluate and compare the fracture resistance of long-span fixed provisional restorations fabricated using milling, three-dimensional (3D) printing, and conventional methods.
Materials And Methods: Sixty specimens were prepared, divided into four groups of 15 each, corresponding to four fabrication methods: computer-aided design and computer-aided manufacturing (CAD-CAM) milled provisional resins, 3D-printed provisional resins, 3D-printed permanent resins, and conventional bis-acryl restorations reinforced with wire. The specimens underwent a three-point bending test using a universal testing machine to measure fracture resistance, quantified as maximum force (in Newtons).
Hearing loss and risk of major osteoporotic fracture: a population-based cohort study in the United Kingdom.
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Amgen Inc., Italia 415, 2Nd Floor - Vicente Lopez (1368), Buenos Aires, Argentina.
Unlabelled: Using the UK Clinical Practice Research Datalink, our cohort study matched 237,297 individuals with hearing loss (HL) to 829,431 without HL. The study found an 8-10% higher risk of major osteoporotic fracture in individuals with HL compared to those without. Additionally, within the HL cohort, we identified risk factors for potential inclusion in fracture risk models.
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View Article and Find Full Text PDFA comprehensive report of the clinical and mutational profiles of 30 Iranian malignant infantile osteopetrosis patients.
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Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran. Electronic address:
Osteopetrosis is a group of genetically and clinically diverse inherited disorders characterized by an increase in bone density. The main known cause is an abnormality in the development or function of osteoclasts. Hence, the process of bone resorption is impaired, resulting in: 1- a reduction in bone marrow volume and, subsequently, a decrement in the hematopoietic capacity of bone marrow, which leads to anemia and compromised immunological function; 2- improper bone development, which leads to pressure on peripheral nerves, causing auditory, visual, and movement impairments; and 3- disturbance in the formation of bone microstructure that leads to susceptibility to bone fracture.
View Article and Find Full Text PDFThe effect of sciatic nerve block on sciatic nerve depth and pain level in patients with ankle fracture based on different approaches under ultrasound guidance.
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To investigate the clinical efficacy of using different approach sciatic nerve blocks on the sciatic nerve depth and pain degree in patients with ankle fracture. A retrospective analysis was conducted on 151 patients with ankle fractures who were admitted to the hospital from May 2020 to May 2023. The patients were divided into a control group (n=76) using the greater trochanteric plane approach (GTA) and an observation group (n=75) using the suprapopliteal approach (PA).
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