傳統相數位X光對已被封填側支根管判讀能力之比較

Differences of Interpretation of the Same Obturated Lateral Canals between Using Radiographic and Radiovisiographic Methods

楊紹宏(Shao-Hung Yang) ； 施嘉霖(Jia-Lin Shih) ； 陳志平(Chih-Ping Chen)

《中華牙醫學雜誌（中文版）》 25卷2期 (2006/06) Pp. 90-95

https://doi.org/10.7106/CJD.200606.0090

摘要

In this study, we used 40 extracted human anterior teeth, none of which had any visible abnormalities. These teeth were subjected to adequate Schilderian endodontic processes, including cleaning, shaping and 3-dimensional obturation of the root canal system. After this procedure, 3 different investigatory methods, conventional radiograph, radiovisiography (RVG), and transparence were extraorally administrated. Imagines were taken from the labial, lingual, mesial, and distal aspects of each root on the coronal third, middle third, and apical third, respectively. The obturated lateral (or accessory) root canals prepared using the same Schilderian technique were assessed. The results showed that using the transparency method to find the obturated lateral canals only located 18.2% (p＜0.001) of them; and 30.7% (p＜0.001) of the obturated lateral canals were located, most of which appeared on the apical third. Also, based on this study, fewer than 50% of the obturated lateral canals were detected by digital x-ray images, however, conventional films found only 34% of them.

關鍵字

傳統X光影像 ； 數位X光影像 ； 脫鈣透明處理 ； 施德氏根管治療技術 ； 根管系統

並列摘要

In this study, we used 40 extracted human anterior teeth, none of which had any visible abnormalities. These teeth were subjected to adequate Schilderian endodontic processes, including cleaning, shaping and 3-dimensional obturation of the root canal system. After this procedure, 3 different investigatory methods, conventional radiograph, radiovisiography (RVG), and transparence were extraorally administrated. Imagines were taken from the labial, lingual, mesial, and distal aspects of each root on the coronal third, middle third, and apical third, respectively. The obturated lateral (or accessory) root canals prepared using the same Schilderian technique were assessed. The results showed that using the transparency method to find the obturated lateral canals only located 18.2% (p＜0.001) of them; and 30.7% (p＜0.001) of the obturated lateral canals were located, most of which appeared on the apical third. Also, based on this study, fewer than 50% of the obturated lateral canals were detected by digital x-ray images, however, conventional films found only 34% of them.

並列關鍵字

conventional radiograhy ； radiovisography ； transparence ； Schilderian endodontic technique ； root canal