Abstract：
OBJECTIVE: To determine the clinical applicability of the modified concentric cannula technique (CCT), focusing on the duration of the arthrocentesis, the number of reposition of cannula, and the occurrence of complications.
METHODS: Descriptive study. Place and Duration of the Study: Department of Oral and Maxillofacial Surgery, Ankara Yildirim Beyazit University, Ankara, Turkiye, between September 2021 and May 2022.
METHODS: Forty patients with Wilkes III temporomandibular joints (TMJ) internal derangement were identified and 13 patients who met the inclusion criteria were reviewed. The main outcomes regarding the clinical applicability of modified CCT included the duration of arthrocentesis, the number of reposition of cannula, and the occurrence of complications.
RESULTS: The values of maximum mouth opening (MMO) without pain and MMO without assistance measured in the immediate postoperative period and at the 4th and 8th postoperative weeks were found to be significantly higher than the pre-arthrocentesis values. The values of MMO with assistance measured in the immediate postoperative period and at the 8th postoperative week were also significantly higher than the baseline values. Compared with preoperative values, notable decreases in pain scores were observed at the 4th (p = 0.003) and 8th (p = 0.002) postoperative weeks. The assessment of the jaw dysfunction also revealed significantly lower scores at the 4th (p = 0.024) and 8th (p <0.001) postoperative weeks.
CONCLUSIONS: Modified CCT of arthrocentesis substantially decreased pain and improved mandibular functions in patients with internal derangement of TMJ. Additionally, this technique could be performed with a reduced number of cannula relocations and required a shorter operative time even with the use of a higher irrigation volume during the lavage procedure.
BACKGROUND: Arthrocentesis, Temporomandibular joint disorder, Temporomandibular joint.
METHODS: Descriptive study. Place and Duration of the Study: Department of Oral and Maxillofacial Surgery, Ankara Yildirim Beyazit University, Ankara, Turkiye, between September 2021 and May 2022.
METHODS: Forty patients with Wilkes III temporomandibular joints (TMJ) internal derangement were identified and 13 patients who met the inclusion criteria were reviewed. The main outcomes regarding the clinical applicability of modified CCT included the duration of arthrocentesis, the number of reposition of cannula, and the occurrence of complications.
RESULTS: The values of maximum mouth opening (MMO) without pain and MMO without assistance measured in the immediate postoperative period and at the 4th and 8th postoperative weeks were found to be significantly higher than the pre-arthrocentesis values. The values of MMO with assistance measured in the immediate postoperative period and at the 8th postoperative week were also significantly higher than the baseline values. Compared with preoperative values, notable decreases in pain scores were observed at the 4th (p = 0.003) and 8th (p = 0.002) postoperative weeks. The assessment of the jaw dysfunction also revealed significantly lower scores at the 4th (p = 0.024) and 8th (p <0.001) postoperative weeks.
CONCLUSIONS: Modified CCT of arthrocentesis substantially decreased pain and improved mandibular functions in patients with internal derangement of TMJ. Additionally, this technique could be performed with a reduced number of cannula relocations and required a shorter operative time even with the use of a higher irrigation volume during the lavage procedure.
BACKGROUND: Arthrocentesis, Temporomandibular joint disorder, Temporomandibular joint.
摘要：
目的：为了确定改良的同心套管技术（CCT）的临床适用性，关注关节穿刺术的持续时间，重新定位套管的数量，以及并发症的发生。
方法：描述性研究。研究的地点和持续时间：口腔颌面外科，安卡拉·耶尔德里姆·贝亚齐特大学，安卡拉,Turkiye,2021年9月至2022年5月。
方法：确定了40例WilkesIII颞下颌关节（TMJ）内部紊乱患者，并对13例符合纳入标准的患者进行了回顾。关于改良CCT的临床适用性的主要结果包括关节穿刺术的持续时间，重新定位套管的数量，以及并发症的发生。
结果：发现术后即刻以及术后第4周和第8周测得的无疼痛最大张口（MMO）和无辅助的MMO值明显高于关节穿刺术前的值。在术后即刻和术后第8周测量的MMO辅助值也显着高于基线值。与术前值比较,在术后第4周(p=0.003)和第8周(p=0.002)观察到疼痛评分显著下降.对颌骨功能障碍的评估还显示，术后第4周（p=0.024）和第8周（p<0.001）的评分显着降低。
结论：关节穿刺术的改良CCT可显著减轻TMJ内错乱患者的疼痛并改善下颌功能。此外,即使在灌洗过程中使用较高的冲洗量,这种技术也可以在减少插管复位次数的情况下进行,并且需要较短的手术时间.
背景：关节穿刺术，颞下颌关节紊乱,颞下颌关节。
方法：描述性研究。研究的地点和持续时间：口腔颌面外科，安卡拉·耶尔德里姆·贝亚齐特大学，安卡拉,Turkiye,2021年9月至2022年5月。
方法：确定了40例WilkesIII颞下颌关节（TMJ）内部紊乱患者，并对13例符合纳入标准的患者进行了回顾。关于改良CCT的临床适用性的主要结果包括关节穿刺术的持续时间，重新定位套管的数量，以及并发症的发生。
结果：发现术后即刻以及术后第4周和第8周测得的无疼痛最大张口（MMO）和无辅助的MMO值明显高于关节穿刺术前的值。在术后即刻和术后第8周测量的MMO辅助值也显着高于基线值。与术前值比较,在术后第4周(p=0.003)和第8周(p=0.002)观察到疼痛评分显著下降.对颌骨功能障碍的评估还显示，术后第4周（p=0.024）和第8周（p<0.001）的评分显着降低。
结论：关节穿刺术的改良CCT可显著减轻TMJ内错乱患者的疼痛并改善下颌功能。此外,即使在灌洗过程中使用较高的冲洗量,这种技术也可以在减少插管复位次数的情况下进行,并且需要较短的手术时间.
背景：关节穿刺术，颞下颌关节紊乱,颞下颌关节。
