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学科主题口腔医学
Three-dimensional evaluations of supernumerary teeth using cone-beam computed tomography for 487 cases
Liu, Deng-gao; Zhang, Wan-lin; Zhang, Zu-yan; Wu, Yun-tang; Ma, Xu-chen
刊名ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY
2007-03-01
DOI10.1016/j.tripleo.2006.03.026
103期:3页:403-411
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Dentistry, Oral Surgery & Medicine
研究领域[WOS]Dentistry, Oral Surgery & Medicine
关键词[WOS]CONVENTIONAL RADIOGRAPHY ; MAXILLOFACIAL SURGERY ; MAXILLARY CANINES ; IMPACTED TEETH ; CT ; LOCALIZATION
英文摘要

Purpose. The purpose of this article is to introduce the use of cone-beam computed tomography (CBCT) for evaluation of supernumerary teeth.

Methods. The study group comprised 487 patients with a total of 626 supernumerary teeth who were examined by CBCT. Patient characteristics were recorded, and the number, location, shape, and 3-dimensional position of the supernumeraries were analyzed. The ability of CBCT to visualize dental and skeletal structures relative to supernumerary teeth was also evaluated.

Results. Males were affected more than females in a ratio of 2.64:1. Seventy-two percent of the patients had I supernumerary tooth, 27.3% had 2, and 0.6% had 3 supernumeraries. Supernumerary teeth were most frequently located in the anterior maxilla (92%), and their sagittal location relative to the neighboring teeth could be used for classification purposes. Supernumeraries were most commonly conical in shape (83.51%). CBCT yielded accurate 3-dimensional pictures of the dental and bony structures. The sagittal positions of the 578 supernumerary teeth in the anterior maxilla were divided into 6 types, of which types I and III were most commonly associated with local malocclusions. Moreover, 43.4% of the premaxillary supernumeraries were inverted and 21.1% were transversely oriented.

Conclusions. CBCT imaging yields accurate 3-dimensional pictures of local dental and bony structures, which is helpful for pretreatment evaluation of supernumerary teeth.

语种英语
WOS记录号WOS:000245441700022
引用统计
被引频次:55[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/66431
专题北京大学口腔医学院_医学影像科
作者单位1.Peking Univ, Sch & Hosp Stomatol, Dept Oral Radiol, Beijing 100081, Peoples R China
2.Peking Univ, Sch & Hosp Stomatol, Ctr TMD, Beijing 100081, Peoples R China
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GB/T 7714
Liu, Deng-gao,Zhang, Wan-lin,Zhang, Zu-yan,et al. Three-dimensional evaluations of supernumerary teeth using cone-beam computed tomography for 487 cases[J]. ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY,2007,103(3):403-411.
APA Liu, Deng-gao,Zhang, Wan-lin,Zhang, Zu-yan,Wu, Yun-tang,&Ma, Xu-chen.(2007).Three-dimensional evaluations of supernumerary teeth using cone-beam computed tomography for 487 cases.ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY,103(3),403-411.
MLA Liu, Deng-gao,et al."Three-dimensional evaluations of supernumerary teeth using cone-beam computed tomography for 487 cases".ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY 103.3(2007):403-411.
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