A comparative study on the efficiency of K-file, K-flex and hedstrom files for the apical preparation of curved mesiobuccal canals of human mandibular molars
The purpose of this study was to compare the abilities of K-File, K-Flex and Hedstrom files in preparing curved canals. Thirty-three curved mesiobuccal root canals of human mandibular first or second molars were equally divided into three groups. Each group corresponded to a type of file. The canals...
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| 格式: | Thesis |
| 語言: | English |
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