Polymerisation Shrinkage Profiling of Dental Composites using Optical Fibre Sensing and their Correlation with Degree of Conversion and Curing Rate.
作者： Ginu Rajan , Raju Raju , Sagar Jinachandran , Paul Farrar , Jiangtao Xi
DOI: 10.1038/S41598-019-40162-Z
关键词: Composite number 、 Optical fiber 、 Composite material 、 Materials science 、 Fiber Bragg grating 、 Curing (chemistry) 、 Light intensity 、 Polymerisation shrinkage 、 Dental composite
摘要: Traditional polymerisation shrinkage (PS) measurement systems measure average PS of dental composites, but the true local varies along length and breadth composite. The depends on curing light intensity distribution, resultant degree conversion (DOC) rate. In this paper, optical fibre Bragg grating (FBG) sensing based technology is used to linear post-gel at multiple locations within composite specimens, correlated with DOC A commercial used, its are mapped using embedded sensors different conditions. distance between lamp specimen varied which resulted in distribution across specimen. effect PS, rate investigated for demonstrating a relationship among them. It demonstrated that FBG method an effective accurately profiling
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