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題 名 | Craniofacial Pattern of Young Adults with Various Types of Malocclusion=成人異常咬合者顱顏面形態之研究 |
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作 者 | 張宏博; 黃祥慧; | 書刊名 | The Kaohsiung Journal of Medical Sciences |
卷 期 | 14:3 1998.03[民87.03] |
頁 次 | 頁168-176 |
分類號 | 416.97 |
關鍵詞 | 異常咬合; 顱顏面; 成人; Craniofacial pattern; Enlow's counterpart analysis; Radiographic cephalometry; |
語 文 | 英文(English) |
中文摘要 | 本研究之目的在於探討成人各種異常咬合者顱顏面形態的特徵,選取成人Angle氏分類一級異常咬合,二級異常咬合以及三級異常咬合者各100名 (男、女性各50名) 的側面測顱X光片,使用Enlow對應部位分析來進行13項目的測量。正常咬合者100名 (男性50名,女性50名) 中顱窩/後上顎平面角 (MCF/PM) 的平均值為38.75º,以此測量值為基準,來探討顱顏面內在局部解部學的對應關係。一級與二級異常咬合者,依其A點或B點在功能性咬合平面上為前位時,各別分類為A型或B型。結果發現一級異常咬合為B型者較多,潛在具有三級異常咬合的特徵;同時與其同級A型者顱顏面形態的結構不同。一級異常咬合A型與二級異常咬合A型者之間,或一級異常咬合B型與二級異常咬合B型者之間的不同是具體而微的。三級異常咬合與二級異常咬合A型者截然不同,基本上是完全相板的內在形態,大部分的代償作用皆無效;然而一級異常咬合B型大部分的代償作用則有效。 |
英文摘要 | Craniofacial morphological characteristics of young adults with various malocclusions were investigated. Cephalometric radiographs of 100 Class I, 100 Class II, and 100 Class III cases were selected and subjected to counterpart analysis as described by Enlow. Results of individuals with normal occlusion revealed a mean value of 38.75º for the angle of the middle cranial fossa relative to the posterior maxillary plane alignment (MCF/PM). This value was used as the basis for intrinsic alignment comparisons for all the other various parts. Classes I and II malocclusions were classified as either type A or B, depending on whether point A or B was protrusive in the functional occlusal plane (FOP). We found that type B more common for class I malocclusion. Further, these cases exhibited an underlying Class III character. We also noted that B groups had different structural craniofacial patterns relative to those seen in a groups. The difference between Class IA and Class IIA, or between Class IB and Class IIB was slight but quantitative. Class III and Class IIA individuals had distinctly different and essentially opposite underlying patterns. However, the composite compensatory result in Class IB case was, for the most part, effective. |
本系統中英文摘要資訊取自各篇刊載內容。