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面部软组织的变化与其支持组织(骨及牙)有着密切关系。研究者们已发现切牙唇舌移动时会产生软组织侧貌的变化。本研究的的目的是了解上切牙内收移动时,上唇的水平向及垂直向变化。 材料及方法 在我科进行矫治的20例毛氏Ⅱ~2、Ⅱ~4及Ⅱ~5类错(牙合)的病人,其中男性8例、女性12例,年龄12～22岁恒牙(牙合),均采用拔牙治疗。拔除或。疗程12～18个月。有治疗前后的X线头侧位片,治疗前后的投照条件是相同的。本课题是在这些头侧位片上进行测量研究。
Facial soft tissue changes and its supportive organization (bone and teeth) are closely related. Researchers have found that there is a change in soft tissue profile when the incisors move. The purpose of this study was to understand the horizontal and vertical changes of the upper lip when adducting the upper incisors. Materials and Methods 20 cases of Maucao Ⅱ ~ Ⅱ, Ⅱ ~ 4 and Ⅱ ~ 5 malocclusion were treated in our department, including 8 males, 12 females, 12 to 22 years old permanent teeth Occlusal), are used extraction treatment. Remove or. Treatment of 12 to 18 months. Before and after treatment of X-ray film, treatment before and after the shooting conditions are the same. This topic is in these head side of the tablet for measurement studies.