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題名 | 立即植牙之組織變化探討=Hard and Soft Tissue Responses Following Immediate Implant Placement |
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作者 | 魏郁如; 林怡君; 陳恆理; 賴玉玲; | 書刊名 | 臺灣牙周病醫學會雜誌 |
卷期 | 14:3 2009.09[民98.09] |
頁次 | 頁213-221 |
分類號 | 416.96 |
關鍵詞 | 立即植牙; 骨缺損; 傷口癒合; 骨再生手術; Immediate implants; Bone defect; Wound healing; Guided bone regeneration; |
語文 | 中文(Chinese) |
中文摘要 | 拔牙後立即植牙已被證實和植體植入已癒合的牙嵴有同樣的臨床效果,立即植牙和傳統植牙的臨床結果皆是可被預期的,然而,愈來愈多的臨床研究顯示立即植牙後會產生牙嵴吸收、黏膜萎縮等美觀上的問題。最近的研究也指出立即植牙無法完全地保存植體周圍的骨壁。許多因素會影響立即植牙後的硬組織和軟組織的癒合,如:植體與齒槽骨之間空隙的大小、頰側骨壁是否缺損、植體種植的頰腭側位置、骨再生手術和材料的選擇。本文將討論這些影響立即植牙後組織變化的因素,並進一步比較骨再生手術運用於立即植牙的效果。臨床上,立即植牙合併骨再生手術,放置再生膜和移植骨能夠減少立即植牙後的骨吸收量,特別是在頰側骨壁缺損和水平骨缺損量大於2毫米的情況。立即植牙仍需謹慎地選擇病患,再加上精確的手術方式,才能最後的贗復達到理想上的美觀要求,並且得到硬組織和軟組織長期的穩定性。 |
英文摘要 | The outcome of immediate implant placement after tooth extraction has been shown to be as predictable as implant placement into healed sites. However, more and more clinical studies reported that unsatisfactory esthetic results in immediate implant cases may occur. Recent investigations indicated that immediate implant placement can not completely preserve the entire bony wall surrounding an implant. Several factors have been reported to influence hard and soft tissue response following immediate implant therapy, including jumping distance between the implant and socket wall, buccal plate integrity, orofacial position of the implant, as well as the technique and material used for augmentation. In this article, these influencing factors will be addressed in detail and the results of some surgical techniques for enhancing bone regeneration will be compared. The guided bone regeneration can be applied to implants placed into fresh extraction socket. The use of barrier membrane & bone grafting material will reduce the amounts of bone resorption in immediate implant therapy, especially for the cases with the buccal dehiscence defect or the pen-implant defect greater than 2 mm. In conclusion, immediate implant placement requires careful case selection and delicate surgical technique to achieve optimal esthetic results and long term tissue stability. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。