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Digital measurement of deciduous tooth dimensions in China: A cross-sectional survey

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机构： [1]Department of Stomatology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China [2]Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, South Korea. [3]Department of Stomatology, Shengjing Hospital of China Medical University, Shenyang, China. [4]Specialist Out-patient Department, Stomatology Branch of Dandong Central Hospital, Dandong, Liaoning, China. [5]Department of Dental Implantology, Heilongjiang Stomatological Disease Center, Haerbin, China. [6]Department of Stomatology, The Fourth Affiliated Hospital of Inner Mongolia Medical University, Baotou, China. [7]Department of Stomatology, Beijing Tongren Hospital, Capital Medical University, Beijing, China. [8]Department of Stomatology, Cangzhou Central Hospital, Cangzhou, China. [9]Department of Stomatology, Children's Hospital of Shanxi, Taiyuan, Shanxi, China. [10]School of Stomatology, Wannan Medical College, Wuhu, China. [11]Department of Dental Implantology, Stomatological Hospital of Xiamen Medical College, Xiamen, China. [12]Department of Stomatology, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China. [13]Department of Pediatric Dentistry, Hospital/School of Stomatology, Zunyi Medical University, Zunyi, China. [14]Department of Stomatology, Kunming Yan'an Hospital, China. [15]Department of Temporomandibular Joint, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China. [16]Beijing Dongbo Dental Handpiece Co., Ltd., Beijing, China.

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关键词： Deciduous tooth China Tooth dimensions Sexual dimorphism Children

摘要：

Crown dimensions data of deciduous teeth hold anthropological, forensic, and archaeological value. However, such information remains scarce for the Chinese population. This multi-center study aimed to collect a large sample of deciduous crown data from Chinese children using three-dimensional measurement methods and to analyze their dimensions.A total of 1592 children's deciduous dentition samples were included, and the sample size was distributed according to Northeast, North, East, Northwest, Southwest and South China. Digital dental models were reconstructed from plaster dental models. Independent sample t test, paired t test, principal component analysis (PCA), and factor analysis (FA) were used to analyze the tooth crown dimensions.18,318 deciduous teeth from 1592 children were included. Males exhibited slightly larger values than females. The range of sexual dimorphism percentages for each measurement was as follows: mesiodistal diameter (0.40-2.08), buccolingual diameter (0.13-2.24), and maxillogingival diameter (0.48-3.37). The FA results showed that the main trend of crown dimensions changes was the simultaneous increase or decrease in mesiodistal diameter, buccolingual diameter and maxillogingival diameter in three directions.This is the first large-scale survey of deciduous tooth crown dimensions in China, which supplements the data of deciduous tooth measurement and provides a reference for clinical application.Copyright © 2024. Published by Elsevier Ltd.

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出版当年[2023]版：

大类 | 4 区医学

小类 | 4 区牙科与口腔外科

最新[2023]版：

大类 | 4 区医学

小类 | 4 区牙科与口腔外科

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出版当年[2022]版：

Q2 DENTISTRY, ORAL SURGERY & MEDICINE

最新[2023]版：

Q2 DENTISTRY, ORAL SURGERY & MEDICINE

影响因子： 2.2 最新[2023版] 2.4 最新五年平均 3 出版当年[2022版] 2.8 出版当年五年平均 2.64 出版前一年[2021版] 2.2 出版后一年[2023版]

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第一作者机构： [1]Department of Stomatology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China [2]Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, South Korea.

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Digital measurement of deciduous tooth dimensions in China: A cross-sectional survey

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