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題 名 | Treatment of Impacted Mandibular Canine Combined with Odotoma--A Case Report=下顎犬齒阻生齒合併齒瘤之治療--病例報告 |
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作 者 | 何志良; 李明澍; | 書刊名 | 中華民國家庭牙醫學雜誌 |
卷 期 | 8:4 2014.03[民103.03] |
頁 次 | 頁17-24 |
分類號 | 416.954 |
關鍵詞 | 下顎犬齒埋伏齒; 齒瘤; 牙齒牽引術; Mandibular canine impaction; Odontoma; Forced eruption; |
語 文 | 英文(English) |
中文摘要 | 此為一左下犬齒骨性深處埋伏齒,合併齒瘤(odontoma)及含齒囊腫(dentigerous cyst),經矯正牽引之案例。下顎犬齒阻生齒之好發率只有上顎犬齒阻生齒的二十分之一,而通常阻饒阻生齒萌發之因素一旦去除,大部分的阻生齒就會有自然萌發。在此案例,阻饒阻生齒萌發之因素去除後(增加了空間及去除了齒瘤、含齒囊腫和乳犬齒),經三個月觀察,阻生齒略微往上萌發及變為較為表層,但埋伏齒似乎又卡在左下第二小臼齒牙根下,因此患者接受了埋伏齒露出術及牙齒牽引術。利用覆蓋性萌發術及持續且輕的矯正力量拉出,此阻生齒成功地牽引至適當的位置,並且有良好的牙周。 |
英文摘要 | A case of lower canine deep bony impaction, combined with odontoma and dentigerous cyst, was treated by orthodontic forced eruption. The incidence of lower canine impaction is 20 times less than upper canine impaction, and usually factors impeding it from eruption was removed, there'll be some spontaneous eruption. In this case after all the impeding factors were removed (space regaining, odontoma, dentigerous cyst and deciduous tooth removal), at 3 months of follow-up, showed some spontaneous eruption bringing the tooth to a more superficial position, but the axis seemed directing distally contacting adjacent root, therefore surgical exposure and forced eruption was carried out. Light force with closed traction technique was applied, and the impaction was successfully brought into position with good periodontium. |
本系統中英文摘要資訊取自各篇刊載內容。