The patient group was divided into three groups, which were ventricular septal defectgroup, atrial septal defectgroup and patent ductus arteriosus group.
病人组根据先心病类型分为室间隔缺损组、房间隔缺损组、动脉导管未闭组;
2
Results The masticatory efficiency of the primary molar defectgroup after treatment was significantly higher than that of the group before treatment(P<0.001).
结果①乳磨牙缺损组治疗后咀嚼效能与治疗前差异有显著性(P<0.001),前者大于后者;
3
This places considerable pressure on the testing group to document every defect before deployment, which is unrealistic.