Abstract: [Abstract] Objective： To evaluate the efficiency of root canal obturation using the continuous wave of condensation technique. Methods： A total of 94 patients receiving root canal therapy in the maxillary central incisors were divided equally into two groups. The control group received cold lateral compaction obturation therapy, and the experimental group was treated with continuous wave of condensation technique. Manipulation time and apical extrusion for each group was determined. Data were statistically analysed using Independent t-test or Chi-square test in SPSS v11.5. Results ：Continuous wave obturation was significantly faster than cold lateral compaction (P < 0.01), but there was no significant difference in the length of root canal obturation. Conclusion： The continuous wave technique was more efficient than cold lateral compaction.

Key words: Root canal obturation, Root canal treatment, Cold lateral compaction technique, Continuous wave of condensation technique