本文選題：牙種植 + 二氧化鋯��； 參考：《牙體牙髓牙周病學(xué)雜志》2014年01期

【摘要】：目的:比較分析二氧化鋯和鈦愈合基臺對種植體周圍齦溝液(peri-implnat crevicular fluid,PICF)的量及其中天冬氨酸轉(zhuǎn)氨酶(aspartate aminotransferase,AST)水平的影響。方法:拔除3只Beagle犬雙側(cè)下頜第三、第四前磨牙和第一磨牙,拔牙創(chuàng)愈合后分別于每只犬每側(cè)下頜各植入4枚埋入式種植體;2個月后,行二期手術(shù),單側(cè)隨機接入2枚二氧化鋯愈合基臺和2枚鈦愈合基臺;2周后,記錄臨床牙齦指數(shù)(Gingival Index,GI),并采集PICF作為基線,同時對單側(cè)種植體愈合基臺的頸部進行絲線結(jié)扎,以誘導(dǎo)種植體周圍炎;4周后,再次記錄GI,檢測PICF的分泌量及其中AST的水平。結(jié)果:結(jié)扎側(cè)二氧化鋯和鈦愈合基臺的GI均明顯高于非結(jié)扎側(cè)(P0.05),結(jié)扎側(cè)的PICF分泌量均明顯高于非結(jié)扎側(cè)(P0.05),同側(cè)內(nèi)兩基臺組相比,PICF量無統(tǒng)計學(xué)差異(P0.05);PICF中AST含量無論是結(jié)扎側(cè)還是對照側(cè),兩種基臺組間相比均無統(tǒng)計學(xué)差異(P0.05)。結(jié)論:二氧化鋯愈合基臺與鈦愈合基臺引起的周圍軟組織反應(yīng)相似。
[Abstract]:Aim: to compare the effects of zirconium dioxide and titanium healing base on the levels of peri-implnat crevicular fluidotransferase (AST) and aspartate aminotransferase (AST) in peri-implnat crevicular. Methods: the third, fourth and first mandibular molars were extracted from 3 Beagle dogs. After extraction, 4 implants were implanted into each mandible of each dog, and 2 months later, the second stage operation was performed. The clinical gingival index (Gingival index) was recorded and PICF was collected as the baseline after 2 weeks of random access to two zirconia healing bases and two titanium healing abutments, and the neck of the unilateral implant healing abutment was ligated with filaments. After induced periimplant inflammation for 4 weeks, GI was recorded again and the secretion of PICF and the level of AST were detected. Results: the GI of ligation side of zirconia and titanium healing base was significantly higher than that of non-ligated side of P0.05, and the secretion of PICF of ligation side was significantly higher than that of non-ligated side of P0.05. There was no significant difference in the content of AST in the same side of the two bases group. Is it the ligation side or the control side, There was no statistical difference between the two groups (P 0.05). Conclusion: the peripheral soft tissue responses of zirconia healing base and titanium healing base are similar.
【作者單位】： 上海市浦東新區(qū)浦南醫(yī)院口腔科;武漢大學(xué)口腔醫(yī)院;
【基金】：上海市浦東新區(qū)衛(wèi)生局面上項目(PW2010A-14)
【分類號】：R783.6

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本文編號：1834139