巴西亚人群锥形束 CT 图像中检测到的根尖周炎患病率。
Prevalence of apical periodontitis detected in cone beam CT images of a Brazilian subpopulation.
机构信息
Department of Stomatology, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo Brazil.
出版信息
Dentomaxillofac Radiol. 2013;42(1):80179163. doi: 10.1259/dmfr/80179163. Epub 2012 Jun 29.
Abstract
OBJECTIVES
The aim of this study was to determine the prevalence of apical periodontitis (AP) detected in cone beam CT (CBCT) images from a database.
METHODS
CBCT images of 300 Brazilian patients were assessed. AP images were measured in three dimensions. Age, gender, number and location of total teeth in each patient were considered. AP location was considered according to tooth groups. The extent of AP was determined by the largest diameter in any of the three dimensions. Percentages and the χ(2) test were used for statistical analysis.
RESULTS
AP was found in 51.4% of the patients and in 3.4% of the teeth. Higher prevalence of AP was found in 60- to 69-year-olds (73.1%) and in mandibular molars (5.9%) (p < 0.05). Inadequate endodontic treatment presented higher prevalence of AP (78.1%).
CONCLUSIONS
AP can be frequently found in CBCT examinations. The presence of AP has a significant association with patients' age, and tooth type and condition. CBCT databases are useful for cross-sectional studies about AP prevalence in a population.
摘要
目的
本研究旨在通过对数据库中的锥形束 CT（CBCT）图像确定根尖周炎（AP）的检出率。
方法
对 300 名巴西患者的 CBCT 图像进行评估。AP 图像在三维方向上进行测量。每位患者的年龄、性别、总牙数和位置均被考虑在内。AP 位置根据牙齿组进行考虑。AP 的范围由三个维度中任何一个的最大直径确定。百分比和卡方检验用于统计分析。
结果
51.4%的患者和 3.4%的牙齿出现 AP。60-69 岁患者（73.1%）和下颌磨牙（5.9%）AP 发生率较高（p<0.05）。根管治疗不充分的患者 AP 发生率较高（78.1%）。
结论
AP 在 CBCT 检查中经常出现。AP 的存在与患者年龄、牙齿类型和状况有显著关联。CBCT 数据库对于研究人群中 AP 发生率的横断面研究很有用。
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