正常中老年人和青年人的软组织X线头测量对比研究

A Comparative Study of Soft Tissue Cephalometric of Normal Occlusion Between the Middle-old-aged People and the Young People

３９名中老年正常与３０名青年正常的软组织Ｘ线头测量对比研究表明，成人随年龄增加，上唇变薄变长，而下颌唇颏部软组织增厚。

In this study the soft tissue cephalometric data of normal occlusion between 39 middleoldaged people and 30 young people were compared. The results indicated: the upper lips of adults were getting thinner and longer, the soft tissues of lower lips and chins were getting thicker, so that the profiles changed obviously with the increasing of ages.