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KMID : 1004520150310020104
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Journal of Dental Rehabilitation and Applied Science
2015 Volume.31 No. 2 p.104 ~ p.111
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A cone-beam computed tomographic study of C-shaped root and root canal in maxillary molars
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Kim Jin-Woo
Ji Hyo-Jin
Cho Kyung-Mo
Kij Sung-Min
Park Se-Hee
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Abstract
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Purpose: The aim of this retrospective study was to investigate the prevalence rate and types of C-shaped roots and C-shaped canal in maxillary molars by analyzing cone-beam computed tomography (CBCT) in a Korean population.
Materials and Methods: Total of 357 CBCT images of maxillary molars (186 first molar, 171 second molar) were evaluated by two Endodontic specialists.
Results: Eight types of C-shaped roots and 5 types of C-shaped canals were founded, the prevalence rate of C-shaped roots and canals were 21.0% and 5.3% respectively.
Conclusion: These anatomical variations were more frequent in second molars than the first molars. Clinicians should have anatomical knowledge about various types of C-shaped root and root canal for successful root canal therapy.
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KEYWORD
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cone beam computed tomography (CBCT), maxillary molar, C-shaped root, C-shaped root canal
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