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題名 | Craniofacial Growth Changes of Mongolian Children with Normal Occlusion from 8 to 12 Years=蒙古種兒童八歲至十二歲正常咬合者之顱顎顏面生長發育的變化 |
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作者 | 莊森源; | 書刊名 | The Kaohsiung Journal of Medical Sciences |
卷期 | 16:8 2000.08[民89.08] |
頁次 | 頁400-413 |
分類號 | 417.692 |
關鍵詞 | 蒙古種兒童; 正常咬合; 顱顎顏面生長發育; Normal occlusion; Cephalometry; Craniofacial growth; |
語文 | 英文(English) |
中文摘要 | 本篇研究是測量八歲至十二歲之蒙古種兒童顱顎顏面生長發育的變 化。採用24名男童與24名女童,皆具有優美的顏面外觀和正常咬合,無缺牙且 未曾接受過齒顎矯正治療。於八歲、十歲、十二歲時,分別攝取測顱標準化x光 片,測量25個角度和16個線段距離的值,求得各年齡層的平均值及標準偏差, 且由八歲至十二歲,角度及線段距離增減量的變化,分析顱顎顏面各部位的生長 樣式,得到以下的結論:1.顱顎顏面從八歲至十二歲,向前下方呈穩定狀態持續 生長,角度變化無差異(但下顎骨向前上方旋轉),而線段距離則明顯的增大。 即男女皆隨著年齡的增加而長度增加。因此低於十二歲的兒童於測顱分析具有前 後方向不正常者,在診斷及建立治療計劃時,應考慮只採用十二歲標準值為基礎 的差異性。2.男女童具明顯的性別差異。男童的上下顎骨間關係的角度較大,且 骨骼與牙齒的生長發育較遲緩。整個生長的過程中女童早於男童。 |
英文摘要 | The purpose of this study is to quantify the changes of craniofacial skeleton in Mongolian children born in Taiwan. They had normal occlusion and pleasing profiles , received no previous orthodontic treatment , and were aged 8 to 12 years. The subjects included 24 boys and 24 girls from whom lateral cephalograms were taken for the study. After measurements and statistical analysis, the findings in this investigation indicated the following: 1. Although the growth of the mandible showed forward and upward rotation, the growth pattern of craniofacial portion from ages 8 to 12 was stable with no significant difference in angular measurements . Nevertheless , there were significant differences in linear measurements. The linear dimensions exhibited a gradual increase with age for both boys and girls. This fact should be considered in the diagnosis and treatment plan for young patients under 12 years old with anteroposterior discrepancies. 2. There was a considerable degree of sexual dimorphism with boys showing greater angles in the maxilla-mandibular relationship and greater late skeletal and dental changes. Most of the changes in various parameters occurred earlier in girls, and in boys these changes were distributed more evenly over the entire period of study. |
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