- 期刊
齒中齒引起下顎兩側巨大根尖囊腫－病例報告
Dens Evaginatus Leads to Bilateral Large Radicular Cysts of the Mandible: A Case Report
摘要
齒中齒(dens evaginatus)是一種牙齒在發育上所產生的病變。其臨床特徵乃是在牙齒的咬合面上有球狀結節，外層爲牙釉質而核心乃由牙本質構成，並常伴隨著些微的牙髓組織。由於此球狀結節的組成大多含牙髓，因此當其受外力而折斷或是因咬合力而磨耗，容易導致牙髓暴露、牙髓壞死和根尖感染。此病例報告為38歲男性病患因左下及右下第二小臼齒罹患齒中齒，而導致右側臉頰感染，合併左右兩側出現巨大的根尖囊腫。經由根管治療及手術摘除囊腫，得以治癒。因齒中齒而導致下顎兩側巨大根尖囊腫之病例屬罕見，故藉由本篇病例報告，希望對齒中齒有進一步的瞭解，使得好發於東方人的齒中齒(1.09%-4.3%)，不至於因延誤治療而導致上述之併發症（造成牙髓壞死，甚至導致根尖囊腫而拔除患齒），而是透過早期的診斷及預防處置，得以保留牙齒的活性使根尖發育完全不再是一件難事。
並列摘要
Dens evaginatus is a developmental dental anomaly with tubercle or protuberance formation form the involved surface of the affected tooth. It contains an outer layer of enamel, a core of dentin and may consist of a small extension of pulp tissue. Because of the above clinical features, wear or fracture of the tubercle usually results with the subsequent major complications, such as pulp exposure, pulp necrosis, and early periapical infection. This article reports a 38-year-old male who suffered from dens evaginatus of bilateral lower secnod premolars which led to right facial swelling and pain. Panoramic radiogragh revealed two large, well-defined radiolucent areas around the affected teeth. After endodontic treatment and surgical enucleation of the cysts, it healed gradually. This is a rare case of dens evaginatus causing two large radicular cysts on both sides of the mandible. Although dens evaginatus is a seeming benign developmental dental anomaly, it may cause significant complications. Early diagnosis and preventive treatment is needed to keep the tooth intact and viable.
並列關鍵字
無資料延伸閱讀
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