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C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography
Zheng Q; Zhang L; Zhou X; Wang Q; Wang Y; Tang L; Song F(宋凡); Huang, D (reprint author), Sichuan Univ, Dept Conservat Dent, W China Coll Stomatol, Chengdu 610041, Peoples R China
2011
发表期刊International Endodontic Journal
卷号44期号:9页码:857-862
ISSN0143-2885
摘要Zheng Q, Zhang L, Zhou X, Wang Q, Wang Y, Tang L, Song F, Huang D. C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography. International Endodontic Journal, 44, 857-862, 2011. Aim To evaluate the anatomical features of C-shaped canal systems in Chinese mandibular second molars by cone-beam computed tomography (CBCT). Methodology A total of 608 patients of Chinese descent with healthy, well-developed mandibular second molars were enrolled. These patients were referred to the West China Hospital of Stomatology and required radiographic examination by CBCT as part of their routine dental treatment. Of the 608 examined CBCT images, 528 showed unilateral intact molars and 80 showed bilateral intact molars. Bilateral molar data were only used to analyse the distribution of unilateral and bilateral occurrences of C-shaped canals. The following in vivo CBCT observations were made: (i) frequency and type of root; (ii) frequency of C-shaped canals by gender, age and tooth position (left versus right); (iii) the classification of cross-sectional canal images of C-shaped canals; and (iv) unilateral and bilateral occurrences of C-shaped canals. Results Fused roots were present in 39% of molars. A C-shaped canal system was present in 39% of the teeth. This prevalence did not differ with gender, age and tooth position. Most (81%) of the C-shaped canals in individuals with bilateral molars were symmetrical. Most of the canals with uninterrupted 'C'-shapes appeared to divide into two or more canals towards the canal terminus. Conclusion There was high prevalence of C-shaped canals in the mandibular second molars of Chinese population. The canal systems varied considerably in their anatomical configuration.
关键词Cone-beam Computed Tomography C-shaped Canals Mandibular Second Molar Root And Canal Anatomy Permanent Teeth Anatomy 2nd-molars Features
学科领域Dentistry, Oral Surgery & Medicine
DOI10.1111/j.1365-2591.2011.01896.x
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收录类别SCI
语种英语
WOS记录号WOS:000293538400010
关键词[WOS]PERMANENT TEETH ; ANATOMY ; 2ND-MOLARS ; FEATURES
WOS研究方向Dentistry, Oral Surgery & Medicine
WOS类目Dentistry, Oral Surgery & Medicine
课题组名称LNM生物材料微结构和力学性能
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被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/44912
专题非线性力学国家重点实验室
通讯作者Huang, D (reprint author), Sichuan Univ, Dept Conservat Dent, W China Coll Stomatol, Chengdu 610041, Peoples R China
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GB/T 7714
Zheng Q,Zhang L,Zhou X,et al. C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography[J]. International Endodontic Journal,2011,44(9):857-862.
APA Zheng Q.,Zhang L.,Zhou X.,Wang Q.,Wang Y.,...&Huang, D .(2011).C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography.International Endodontic Journal,44(9),857-862.
MLA Zheng Q,et al."C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography".International Endodontic Journal 44.9(2011):857-862.
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