Abstract:Objective To compare the equivalence of WinCeph7.0 cephalometric analysis system and cephalometric analysis by sulfuric acid paper tracing. Methods 102 X-ray lateral cephalometric localization films were randomly selected for conventional sulfuric acid paper tracing and mapping; the X-ray films were then scanned into the computer system and the WinCeph7.0 cephalometric analysis system was used for positioning and mapping. The data of the two were subjected to paired t-test and equivalence test. Results The data of cephalometric analysis of X-ray lateral cephalometric localization films analyzed by WinCeph7.0 cephalometric analysis system were compared with those of the traditional sulfuric acid paper tracing method. The 13 indicators except L1-MP, MP-SN and FH-MP were equivalent. Conclusion The data of cephalometric analysis of X-ray lateral cephalometric localization films by WinCeph7.0 cephalometric analysis system can be used as a clinical reference. [Author\'s Abstract]
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