Parente S A, Anderson R W, Herman W W, Kimbrough W F, Weller R N
Department of Endodontics, School of Dentistry, Medical College of Georgia, Augusta 30912-1244, USA.
J Endod. 1998 Dec;24(12):826-8. doi: 10.1016/S0099-2399(98)80011-3.
The purpose of this study was to determine the efficacy of a supplemental intraosseous injection (IOI) of 2% lidocaine with 1:100,000 epinephrine using the Stabident device, after conventional anesthetic methods had failed. Patients who experienced pain during endodontic access and required a supplemental IOI using 0.45 to 0.90 ml of the local anesthetic were identified. All 37 of the patients treated had teeth diagnosed with irreversible pulpitis. Thirty-four of the teeth were mandibular posterior teeth, 2 were maxillary posterior teeth, and 1 was a maxillary anterior tooth. Patients with maxillary teeth had received infiltration anesthesia, and those with mandibular teeth had received an inferior alveolar nerve block in conjunction with long buccal infiltration. A minimum of 3.6 ml of local anesthetic was used with the conventional techniques. Modified visual analogue scales, coupled with operator evaluations, were used to measure success. The Stabident IOI was an effective supplemental anesthetic technique in 89% (+/- 5.1) or 33/37 patients evaluated. The 95% confidence interval was 74 to 97%. The IOI was successful in 91% (+/- 4.9) of the mandibular posterior teeth (31/34), and 67% of the maxillary teeth (2/3).
本研究的目的是确定在传统麻醉方法失败后，使用Stabident装置进行补充性骨内注射（IOI）2%利多卡因加1:100,000肾上腺素的疗效。确定了在牙髓治疗开髓过程中经历疼痛并需要使用0.45至0.90毫升局部麻醉剂进行补充性骨内注射的患者。接受治疗的所有37例患者的牙齿均被诊断为不可复性牙髓炎。其中34颗为下颌后牙，2颗为上颌后牙，1颗为上颌前牙。上颌牙患者接受了浸润麻醉，下颌牙患者接受了下牙槽神经阻滞联合颊长神经浸润。传统技术至少使用了3.6毫升局部麻醉剂。采用改良视觉模拟量表并结合术者评估来衡量成功率。在接受评估的89%（±5.1）即33/37例患者中，Stabident骨内注射是一种有效的补充麻醉技术。95%置信区间为74%至97%。骨内注射在下颌后牙中成功率为91%（±4.9）（31/34），在上颌牙中成功率为67%（2/3）。
