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題 名 | A Second Deciduous Molar Impacted in Right Maxillary Sinus: A Long-term Follow-up=右側上顎竇阻生之第二乳臼齒:長期觀察 |
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作 者 | 王嘉郁; 吳文洲; 黃炯興; | 書刊名 | 長庚醫學 |
卷 期 | 23:12 2000.12[民89.12] |
頁 次 | 頁788-793 |
分類號 | 416.9 |
關鍵詞 | 原發性阻生齒; 阻生乳臼齒; 上顎竇; Primary molar; Impaction; Maxillary sinus; |
語 文 | 英文(English) |
中文摘要 | 發性阻生齒在乳牙之生長發育中相當罕見,其發生原因目前仍不明,推測可能與囊腫、骨黏連、齒槽顎骨不協調等因素有關。本病例為一名左側唇全?裂之6歲女孩,初診X光檢查時發現右側第二乳臼齒阻生於接近上顎竇之高處,基於避免手術對周圍組織及繼發恆齒的傷害,採取每2年X光追?的方式處理。經過7年的長期追?,阻生之第二乳臼齒隱入更高的位置,且牙冠與牙根也逐漸被吸收。目前病患右上第二乳臼齒已完全沒入上顎竇,且殘餘齒質不到10%,病人無任何不適症狀。定期X光追?檢查,確定未有其他併發症狀,持續性牙齒吸收避免了手術拔除的可能性,是否為最佳療法,仍宜繼續追?觀察,作為醫界之參考。 |
英文摘要 | Primary tooth impaction is quite rare during the development of primary dentition. Various factors contribute to the impaction of a deciduous tooth, including malposition and malformation of the tooth bud, dentomaxillofacial disharmony, tumors, and cysts. This case was a 6-year-old female with complete left cleft lip/palate. A maxillary right second deciduous molar impacting at a high level approximate to the maxillary sinus was noted on the initial visit. To prevent surgical trauma to the surrounding tissue and succedaneous teeth, regular follow-up with radiographic examination was taken every 2 years. After a 7-year long-tern follow-up, the impacted second primary molar in the right maxillary sinus had almost completely been resorbed with only about 10% of the original structure left. To the present, the resorption of the impacted deciduous molar seemed to have continued with no major pathological changes. Periodic radiographic examination is strongly advised until the total resorption process is completed. |
本系統中英文摘要資訊取自各篇刊載內容。