本文選題：比格犬 + 實(shí)驗(yàn)性根尖周炎�。� 參考：《國際口腔醫(yī)學(xué)雜志》2016年03期

【摘要】：目的觀察一次法根管治療的短期臨床療效,并比較錐形束CT(CBCT)與根尖片在根管治療結(jié)果評估中的差異。方法選擇4只比格犬的24顆上頜前磨牙(56個(gè)根管)為研究對象,所有牙齒形成實(shí)驗(yàn)性根尖周炎后,隨機(jī)分為2組,一組采用一次法根管治療,另一組采用兩次法根管治療,術(shù)后6個(gè)月應(yīng)用CBCT和根尖片評估根管治療療效。結(jié)果 CBCT顯示:一次法根管治療成功率為28.57%,二次法根管治療成功率為53.57%,兩組間的成功率差異無統(tǒng)計(jì)學(xué)意義(P=0.057)。根尖片顯示:一次法根管治療成功率為67.86%,二次法成功率為78.57%,兩組間差別無統(tǒng)計(jì)學(xué)意義(P=0.365)。CBCT顯示的根管治療總成功率為41.07%,根尖片顯示的總成功率為73.21%,CBCT與根尖片在根管治療后療效評估中的差異有統(tǒng)計(jì)學(xué)意義(P=0.001)。結(jié)論在針對實(shí)驗(yàn)性根尖周炎的治療中,一次法根管治療的近期治愈率與兩次法根管治療的近期治愈率相比較,其差異無統(tǒng)計(jì)學(xué)意義;然而,CBCT與根尖片的檢查結(jié)果,在根管治療后的療效評估上,存在著一定差異。由此可見,CBCT這種三維檢查手段相較于根尖片的二維影像來說,在根管治療后對疾病的診斷評估中的準(zhǔn)確性以及靈敏度更高。
[Abstract]:Objective to observe the short-term clinical effect of one-time root canal therapy and to compare the difference between CTN CBCTs and apical tablets in evaluating the results of root canal therapy. Methods 24 maxillary premolars (56 root canals) from 4 Beagle dogs were randomly divided into two groups after experimental periapical periodontitis. CBCT and apical tablets were used to evaluate the curative effect of root canal therapy 6 months after operation. Results CBCT showed that the success rate of primary root canal therapy was 28.57 and that of secondary root canal treatment was 53.57.The difference between the two groups was not statistically significant. The apical film showed that the success rate of primary root canal therapy was 67.86 and the second method was 78.57. There was no significant difference between the two groups. The total power of root canal therapy was 41.07, and the total power of root tip film was 73.21 with CBCT and root tip slice in root canal. There was significant difference in the evaluation of therapeutic effect after treatment. Conclusion in the treatment of experimental periapical periodontitis, there is no significant difference between the short-term cure rate of one method root canal therapy and that of two times root canal therapy, however, the results of CBCT and root tip tablets are not statistically significant. There are some differences in the evaluation of the curative effect after root canal therapy. It can be seen that CBCT is more accurate and sensitive in the diagnosis and evaluation of diseases after root canal therapy than in the two-dimensional images of apical radiography.
【作者單位】： 南開大學(xué)醫(yī)學(xué)院;天津市口腔醫(yī)院國際診療中心;
【基金】：天津市2011年自然科學(xué)基金(11JCYBJC11900)~~
【分類號】：R781.341

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