本站原创【学位授予单位】：论文华中科技大学
【学位级别】：论文硕士
【学位授予年份】：论文2012
【分类号】：论文R781.05
【目录】：论文
摘要6-7
ABSTRACT7-8
CHAPTER ONE：INTRODUCTION8-10
CHAPTER TWO：MATERIALS AND METHODS10-23
2.1 Materials and Equipment10-13
2.2 Methods13-23
CHAPTER THREE：RESULTS23-33
3.1Remaining Gutta-percha after Retreatment23-30
3.2 Time taken to reach the working length T130
3.3 Time for gutta-percha removal T230
3.4 Total time T330-33
CHAPTER FOUR：REVIEW OF LITERATURE33-61
4.1 Root Canal Morphology33-37
4.2 Oval Shaped Canals37-39
4.3 Instrumentation Techniques39-40
4.4 Root Canal Obturation40-48
4.5 Retreatment48-52
4.6 Micro Computed Tomorgaphy52-61
CHAPTER FIVE：DISCUSSION61-68
5.1 Methods of Assesent61-62
5.2 Retreatment techniques62-64
5.3 The Effect of Obturation Technique64-65
5.4 Time of Retreatment:65-68
CHAPTER SIX：CONCLUSIONS AND SUGGESTIONS68-70
6.1 Conclusions68-69
6.2 Suggestions for Further Studies69-70
REFERENCES70-90
AUTHOR INFORMATION90-91
Acknowledgement91