方法用美国公共健康协会的修正标准对45颗全瓷冠桥进行观察评价。
Methods To evaluate the clinical effects of 45 all ceramic crowns and Bridges of the anterior teeth on fitness, colour, shape and strengh.
此项研究结果将在丹佛举行的美国公共卫生协会会议上公布。另外，结果显示，目前已有五分之一的青少年属于“健康风险人群”，其中不乏少女。
The findings, which were presented at the American Public Health Association's conference in Denver, found that up to one in five teenagers belonged to this group, many of whom were female.
此项研究结果将在丹佛举行的美国公共卫生协会会议上公布。另外，结果显示，目前已有五分之一的青少年属于“健康风险人群”，其中不乏少女。
The findings, which were presented at the American Public Health Association's conference in Denver, found that up to one in five teenagers belonged to this group, many of whom were female.
此项研究结果将在丹佛举行的美国公共卫生协会会议上公布。另外，结果显示，目前已有五分之一的青少年属于“健康风险人群”，其中不乏少女。
The findings, which were presented at the American Public Health Association's conference in Denver, found that up to one in five teenagers belonged to this group, many of whom were female.
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