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題 名 | 三級異常咬合孩童之下顎形態學分析=The Morphometric Analysi of Mandible with Class III Malocclusion Children |
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作 者 | 劉保興; 張志涵; 張宏博; | 書刊名 | Journal of Medical and Biological Engineering |
卷 期 | 22:增刊 民91.12 |
頁 次 | 頁S1-S7 |
分類號 | 416.92 |
關鍵詞 | 三級異常咬合; 下顎; 形態學; Class III malcocclusion; Mandible; Morphometric; |
語 文 | 中文(Chinese) |
中文摘要 | 下顎前突是三級異常咬合的主要特徵之一,但確切的局部形態變異區域尚未清楚,因此本研究結合測顱術與應變張量分析來進行下顎形態學的探討。樣本採用中國正常咬合與三級異常咬合男女童共100位,其中男、女族群之兩種咬合者各25 位。結果發現三級異常咬合男、女童下顎本體區域,尺寸比正常咬合大,且大都朝平行下顎平面方向伸張,而形狀變化在男女族群上則具有不同的差異。統計分析則顯示三級異常咬合之各項角度值比正常咬合大,女童比男童更具顯著意義;相對線段統計結果,正、異常咬合差異性不大。此初步結果可提供相關研究之參考,以更加瞭解三級異常咬合之下顎形態變異特徵。 |
英文摘要 | Mandibular prognathism is one of the feature of Class Ⅲ malocclusion, but the significance of morphological variation in the local region remain unclear. Therefore, this study investigated the morphometry of the mandible utilizing cephalometry and strain tensor analysis. One hundred children, including normal occlusion and Class Ⅲ malocclusion, had been selected for this study and each occlusion has 25 subjects of male and female groups. The results indicated that the mandibular corpus of the Class Ⅲ malocclusion was bigger than normal occlusion for both male and female groups and also the distribution of growth extension was chiefly toward a parallel with the mandibular plane. The shape changes make a difference between male and female groups. For the statistical analysis, the angular measurements of Class Ⅲ malocclusion for male were larger and more differ statistically than normal occlusion for female. However, the results of linear measurements were found no differences in statistical analysis when comparing normal and abnormal types. The primary finding of this study will make guidelines for allied researches so that the variations of mandibular morphology with Class Ⅲ malocclusion could be better understanded. |
本系統中英文摘要資訊取自各篇刊載內容。