Results:For the RVG X-ray system the projecting angle was increased,especially for mandibular former teeth, comparing with conventional dental film.
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释义
统计确定每个牙位数字化牙片正确的投照角度和投照剂量。结果:与传统牙片比较,数字化牙片投照角度增加,其中以上颌后牙和下颌前牙角度增加较为明显。
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