Title Page
Contents
Abstract 7
I. Introduction 9
II. Materials and Methods 12
A. Patient allocation and randomization 12
B. Inclusion and exclusion criteria 13
C. Treatment process 15
D. Root canal treatment procedure 15
E. Assessment of postoperative pain 16
F. Statistical analysis 17
III. Results 18
IV. Discussion 25
V. Conclusion 28
References 29
국문초록 36
Table 1. Baseline clinical features of patients in the study groups 20
Table 2. Obturation time of Group 1 and 2 24
Figure 1A. Flow chart of patient selection in Group 1 14
Figure 1B. Flow chart of patient selection in Group 2 14
Figure 2. Assessment method of Visual Analog Scale 16
Figure 3A. Distribution of severity of postoperative spontaneous pain 21
Figure 3B. Distribution of severity of postoperative biting pain 21
Figure 4A. Intensity of postoperative spontaneous pain for 7 days 22
Figure 4B. Intensity of postoperative biting pain for 7 days 23