Impact of big data on oral health outcomes

Abstract

Biomedical big data amasses from different sources such as electronic health records, health research, wearable devices and social media. Recent advances in data capturing, storage and analysis techniques have facilitated conversion of a wealth of knowledge in biomedical big data into evidence‐based actionable plans to enhance population health and wellbeing. The delay in reaping the benefits of biomedical big data in dentistry is mainly due to the slow adoption of electronic health record systems, unstructured clinical records, tattered communication between data silos and perceiving oral health as a separate entity from general health. Recent recognition of the complex interplay between oral and general health has acknowledged the power of oral health big data to glean new insights on disease prevention and management. This review paper summarizes recent advances, limitations and challenges in biomedical big data in health care with emphasis on oral health and discusses the potential future applications of oral health big data to improve the quality and efficiency of personalized health care.

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Effects of equibiaxial mechanical stretch on extracellular matrix‐related gene expression in human calvarial osteoblasts

Mechanical stretch commonly promotes craniofacial suture remodeling during interceptive orthodontics. The mechanical responses of osteoblasts in craniofacial sutures play a role in suture remodeling. Moreover, the extracellular matrix (ECM) produced by osteoblasts is crucial for the transduction of mechanical signals that promote cell differentiation. Therefore, we aimed to investigate the effect of mechanical stretch on cell viability and ECM‐related gene‐expression changes in human osteoblasts. Human calvarial osteoblasts (HCObs) were subjected to 2% deformation. Caspase activity, MTT, and cell viability assays were used to estimate osteoblast apoptosis, proliferation, and viability, respectively. Real‐time RT‐PCR (RT²‐PCR) arrays were used to assess expression of cytoskeletal‐, apoptosis‐, osteogenesis‐, and ECM‐related genes. We found that mechanical stretch significantly increased osteoblast viability and cell proliferation, and decreased the activities of caspases 3 and 7. Moreover, the expression of 18 genes related to osteoblast differentiation, apoptosis, and ECM remodeling changed by more than two‐fold in a time‐dependent manner. Therefore, mechanical stretch promotes HCOb viability and alters expression of genes that are closely related to suture remodeling under mechanical stretch.

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