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错畸形在世界范围内发病率逐年上升,其所造成的健康问题、美观问题及对心理的影响已引起社会各界人士对错畸形防治的重视。赫哲族是我国六小民族之一,全国第五次人口普查统计数字显示,赫哲族共4600多人,遍布黑龙江省同江、抚远等市县。为了更好地掌握赫哲族青少年错畸形的情况,我校选拔出优秀教师及学生代表,在中国牙防基
The incidence of malformation deformity in the world year by year, the health problems caused by it, aesthetic problems and psychological impact has caused people in all walks of life to pay attention to the prevention and treatment of malformations deformity. The Hezhen ethnic group is one of the six minor nationalities in our country. According to the fifth national census statistics, there are more than 4,600 Hezhen ethnic groups all over the cities and counties such as Tongjiang and Fuyuan in Heilongjiang Province. In order to better grasp the cases of malformed deformities of the Hezuo adolescents, our school selected outstanding teachers and student representatives,