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Associations between bone material strength index and FRAX scores.
J Bone Miner Metab
January 2025
Deakin University, IMPACT- Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Geelong, Australia.
Introduction: Impact microindentation (IMI) measures bone material strength index (BMSi) in vivo. However, its ability to predict fractures is still uncertain. This study aimed to determine the association between BMSi and 10 year fracture probability, as calculated by the FRAX algorithm.
View Article and Find Full Text PDFInfluences of multi-pass friction stir alloying on characterization of AZ91D alloy-based dual reinforcement bio-ceramic nano-composites.
J Appl Biomater Funct Mater
January 2025
MOE Key Lab for Liquid-Solid Structure Evolution and Materials Processing, Shandong University, Jinan, China.
In current study, microstructural, mechanical and corrosion behaviour were investigated with incorporation of dual reinforced AZ91D surface composites. This research was carried out for enhancement of the bio-degradability in biological environment. The surface composites were successfully fabricated by friction stir processing method with a rotation speed of 800 rpm, travel speed of 80 mm/min and 2.
View Article and Find Full Text PDFB-doped nano-hydroxyapatite facilitates proliferation and differentiation of osteoblasts.
J Orthop Surg Res
January 2025
Xuzhou Medical University Affiliated Stomatology Hospital, Xuzhou, 221002, Jiangsu Province, China.
Purpose: We aimed to explore the mechanism by which Boron-doped nano-hydroxyapatite (B-nHAp) facilitates the proliferation and differentiation of osteoblasts through controlled release of B.
Methods: B-nHAp characterization was accomplished by means of X-ray diffraction, scanning electron microscopy, inductively coupled plasma mass spectrometry, and transmission electron microscopy. Human bone marrow mesenchymal stem cells (hBMSCs) were subjected to flow cytometry, alizarin red S staining, and cell counting kit-8 assay for proliferation and differentiation determination.
Finite element analysis of stress in mandibular molars repaired after fractured instrument removal.
BMC Oral Health
January 2025
Department of Endodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.
Background: This study assessed stress distributions in simulated mandibular molars filled with various materials after the removal of fractured instruments from the apical thirds of the root canals.
Methods: Finite element models of the mesial and distal root canals were created, where fractured instruments were assumed to be removed using a staging platform established with a modified Gates-Glidden bur (Woodpecker, Guangxi, P.R.
Bone cell differentiation and mineralization in wild-type and osteogenesis imperfecta zebrafish are compromised by per- and poly-fluoroalkyl substances (PFAS).
Sci Rep
January 2025
Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Via Taramelli 3B, 27100, Pavia, Italy.
Perfluorinated compounds (PFAS) are well recognized toxic pollutants for humans, but if their effect is equally harmful for healthy and fragile people is unknown. Addressing this question represents a need for ensuring global health and wellbeing to all individuals in a world facing the progressive increase of aging and aging related diseases. This study aimed to evaluate the impact of perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA) and perfluorohexanoic acid (PFHxA) exposure on development and skeletal phenotype using the osteogenesis imperfecta (OI) zebrafish model Chihuahua (Chi/+), carrying a dominant glycine substitution in the α1 chain of collagen I and their wild-type (WT) littermates.
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