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JMIR Biomedical Engineering (JBME) is a new sister journal of JMIR (the leading open-access journal in health informatics), focusing on the application of engineering principles, technologies, and medical devices to medicine and biology.
As an open access journal, we are read by clinicians and patients alike and have (as are all JMIR journals) a focus on readable and applied science reporting the design and evaluation of health innovations and emerging technologies. We publish original research, viewpoints, and reviews (both literature reviews and medical device/technology/app reviews).
During a limited period of time, there are no fees to publish in this journal. Articles are carefully copyedited and XML-tagged, ready for submission in PubMed Central.
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Background: The proposed experimental design was done to determine if a relationship exists between the occlusal load applied and the size of the markings produced from tooth contact when dental artic...
Background: The proposed experimental design was done to determine if a relationship exists between the occlusal load applied and the size of the markings produced from tooth contact when dental articulating paper and T-Scan are interposed alternatively. Objective: Objective of this study was to compare the relationship between contact markings on an articulating paper and T Scan for an applied occlusal load. Methods: In this in vitro study, dentulous maxillary and mandibular dies were mounted on a metal jig,articulating paper, and T-Scan sensor were placed alternatively between the casts. Loads simulating occlusal loads began at 25N and incrementally continued upto 450N.The resultant markings (180 marks resulting from articulating paper and 138 marks of T-Scan) were photographed and the marks were analyzed using MOTIC image analysis and sketching. Descriptive statistical analysis was carried out with one-way analysis of variance (ANOVA), student t-test and Karl Pearson’s correlation coefficient method. Results: The size of an articulating paper mark may not be a reliable predictor of the actual load content within the occlusal contact. T-Scan gave more predictable results of actual load content within the occlusal contact. Conclusions: Statistically interpretation of the data indicated that with articulating paper, the mark area increased non-linearly with increasing load and there was a false positive result. The characteristics of the paper mark appearance did not describe the amount of occlusal force present on a given tooth. The contact marking obtained using T Scan for an applied occlusal load indicated that the mark area increased with the increase in the load and gave more predictable results of actual load content within the occlusal contact.