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正常牙合在人群中所占比率很小，只有通过大量普查才能获得。我们在对１３８７名山东籍青年进行口腔普查的基础上，筛选出了４８名为正常牙合标本，取了全口牙牙合模型，并对模型的牙牙合情况进行了测量和分析，现报告如下。１材料与方法１．１标本选择以１９９６至１９９...
The proportion of normal occlusion in the population is small and can only be obtained through a large number of censuses. Based on the oral census of 1387 Shandong-based youths, we screened out 48 normal occlusion specimens, took the complete oral occlusion model and measured and analyzed the occlusion of the model. The report is as follows . 1 Materials and Methods 1.1 Specimen selection to 1996 to 199 ...