Bal C S, Padda B, Puri P
Indian J Dent Res. 1989 Oct-Dec;1(4):102-8.
The Study was conducted to compare and evaluate the effectiveness of surgical and conservative approach for apexification. Twenty-four non-vital permanent maxillary anterior teeth were selected for this study. The teeth selected were having wide apical foramen and definite radiolucent periapical area. Twelve teeth were treated under conservative method and another 12 teeth with surgical method using 'Renew' (A radioopaque calcium Hydroxide paste). The patient were recalled after 1 1/2, 3, 4 and 6 Months. The results of the study indicated that Calcific bridge formation is rapid in teeth treated with conservative technique. However, periapical repair is accelerated in teeth treated by surgical technique, though the results are comparable at the end of 6 months, So the conservative approach is preferred as it saves surgical trauma. In conservative technique, 75% of the teeth showed calcific bridge formation and 100% showed decrease in periapical radiolucent area by 3.56 mm (mean) after 6 months. In surgical technique the radiographic evidence of calcific bridge formation was noticed in 54.51% of teeth after 6 months. However in 100% of teeth there was decrease in periapical radiolucent area by 3.53 mm (mean) after 6 months.
本研究旨在比较和评估根尖诱导成形术的手术治疗方法与保守治疗方法的有效性。本研究选取了24颗上颌恒前牙死髓牙。所选牙齿根尖孔宽大且根尖周有明确的透射区。12颗牙齿采用保守方法治疗，另外12颗牙齿采用手术方法治疗，使用“Renew”（一种不透射线的氢氧化钙糊剂）。在1个半月、3个月、4个月和6个月后对患者进行复诊。研究结果表明，采用保守技术治疗的牙齿钙化桥形成迅速。然而，采用手术技术治疗的牙齿根尖周修复加快，尽管在6个月末结果相当，所以保守治疗方法更可取，因为它避免了手术创伤。在保守治疗技术中，75%的牙齿在6个月后显示有钙化桥形成，100%的牙齿根尖周透射区平均减少3.56mm。在手术治疗技术中，6个月后54.51%的牙齿有钙化桥形成的影像学证据。然而，100%的牙齿在6个月后根尖周透射区平均减少3.53mm。
