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"A Mixture of Fixations": Combination Fixation Protocol Using Kirschner Pins and Miniplates in Mandibular Condyle Surgery

合併使用克氏鋼針及鈦金屬骨板於下顎骨髁頭骨折之復位及固定

摘要


Mandibular condylar head fractures account for 14.8% of all mandibular fractures and are conventionally treated in a conservative manner. However, in recent years, studies have revealed that open surgery yields success rates similar to those of conservative treatment, with a satisfactory prognosis and fewer complications in the long term. Traditionally, the displaced segment is reduced and fixated to the distal segment using miniplates. Fixation of condylar head segments with Kirschner wires has also yielded satisfactory results. In this report, we present four cases of mandibular condylar head fractures that were managed via open surgery, and a combination of Kirschner pins and miniplates were used for fixation. Two to three Kirschner pins provided semi-rigid fixation of the displaced segment, while one miniplate was used for rigid fixation, to establish a concrete and stable union between the fragments, with no instability at the 1-year follow-up. Therefore, by taking advantage of both fixation appliances, this combination protocol was demonstrated as feasible for the successful management of mandibular condylar head fractures.

並列摘要


下頜骨髁頭骨折約佔所有下頜骨骨折的14.8%,並且傳統上多是以保守治療為主。然而,近年來的研究發現,開放性骨復位及内固定手術的成功率與保守治療相似,能達到良好的預後並且減少長期併發症的發生率。移位的骨折節段被復位至原先預期的位置,並使用微型鈦金屬骨板固定後通常皆能達到理想的效果。在本報告中,我們使用克氏鋼針固定髁頭節段後,再使用微型鈦金屬骨板進行最終固定,在臨床操作上更為容易,並且同樣也取得了令人滿意的結果。我們介紹了4例通過開放性手術治療的下頜骨髁頭骨折病例,並使用克氏鋼針和微型鈦金屬骨板組合進行固定。我們平均使用兩到三支克氏鋼針為移位的節段提供半剛性固定,並使用微型鈦金屬骨板用於剛性固定,以在節段之間建立具體而穩定的結合,術後一年的回診也持續維持穩定。因此,通過利用克氏鋼針及微型鈦金屬骨板的優勢,我們能夠達成良好的預後,並且成功地用於治療下頜骨髁頭骨折。

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