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題名 | 舌側牙弓維持器的臨床運用:兩病例報告=Clinical Applications of Lingual Holding Arch: Two Case Reports |
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作者 | 黃奕維; 黃慧瑜; 莊才逸; | 書刊名 | 臺灣兒童牙醫學雜誌 |
卷期 | 17:1 2017.04[民106.04] |
頁次 | 頁10-17 |
分類號 | 416.98 |
關鍵詞 | 下顎舌側牙弓維持器; 餘裕空間; 矯正錨定; 乳臼齒骨性沾黏; 繼生齒延遲萌發; Mandibular lingual holding arch; Leeway space; Anchorage in orthodontics; Ankylosed deciduous molar; Delayed eruption of successor; |
語文 | 中文(Chinese) |
中文摘要 | 當下顎乳臼齒過早脫落時,一般臨床上常使用下顎舌側牙弓維持器(lingual holding arch, LHA)做為空間維持器來保留繼生恆犬齒及恆小臼齒的萌發空間。除做為空間維持器之外,舌側牙弓維持器也可以用來增加矯正時的錨定作用(anchorage)。本病例報告包含兩位病例:第一位病人使用舌側牙弓維持器做為矯正錨定,局部矯治近心傾斜、萌發障礙的右下第二大臼齒。第二位病人在拔除骨性沾黏的右下第二乳臼齒後,以舌側牙弓維持器維持右下第一大臼齒的角度避免其近心傾斜占據萌發空間,在無使用其他矯正力量的情況下使繼生之右下第二小臼齒自然萌發至正常咬合高度。 |
英文摘要 | Mandibular lingual holding arch (LHA) is a commonly used space maintainer for arch perimeter maintenance in case of premature loss of more than one deciduous molar or canine. In addition, LHA could reinforce anchorage in orthodontics when combined with the labial fixed edgewise appliance. These two case reports present different clinical applications of LHA. In the first case, LHA was used as an anchorage reinforcement in limited orthodontic treatment of mesial tilted and ectopic mandibular right second molar. In the second case, LHA was placed to prevent mesial tilting of mandibular right first molar after extraction of ankylosed deciduous mandibular right second molar. One year later, the lower right second premolar erupted spontaneously without any orthodontic intervention treatment. |
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