替牙期正中多生牙临床特征与继发影响的相关性分析

doi:10.19438/j.cjoms.2026.02.004

中国口腔颌面外科杂志 ›› 2026, Vol. 24 ›› Issue (2): 122-127.doi: 10.19438/j.cjoms.2026.02.004

替牙期正中多生牙临床特征与继发影响的相关性分析

任群, 张克剑, 李想, 刘文静, 张泰, 刘晓琳

河北医科大学口腔医学院·口腔医院,口腔颌面头颈外科,河北省口腔医学重点实验室, 河北省口腔疾病临床医学研究中心,河北石家庄 050017

收稿日期:2025-07-09 修回日期:2025-11-03 出版日期:2026-03-20 发布日期:2026-04-02
通讯作者: 刘晓琳,E-mail：1048507074@qq.com
作者简介:任群（1993—）,男,硕士,E-mail：787833278@qq.com
基金资助:
河北省医学科学研究课题（20240507）

Study on the correlation between clinical characteristics and secondary effects of mesiodens during the replacement period

Ren Qun, Zhang Kejian, Li Xiang, Liu Wenjing, Zhang Tai, Liu Xiaolin

Department of Oral Maxillofacial Head and Neck Surgery, School and Hospital of Stomatology, Hebei Medical University; Hebei Key Laboratory of Stomatology; Hebei Clinical Research Center for Oral Diseases. Shijiazhuang 050017, Hebei Province, China

Received:2025-07-09 Revised:2025-11-03 Online:2026-03-20 Published:2026-04-02

摘要/Abstract

摘要： 目的: 应用CBCT分析替牙期单颗正中多生牙的特征及其对邻近组织的继发影响,为临床诊疗方案制定提供参考。方法: 回顾性纳入2023年1月—2024 年12月于河北医科大学口腔医院就诊的305例替牙期正中多生牙患者（共305颗正中多生牙）,通过CBCT评估多生牙的冠状面、矢状面、水平面位置及形态,分析其与恒牙移位、阻生、邻牙间隙等继发影响的相关性。结果: 患者平均年龄（7.97±1.69）岁,男女比例为2.96∶1;51.48%（157/305）的正中多生牙对邻近组织产生继发影响。相关性分析显示,多生牙是否造成继发影响,与患者性别、年龄及水平面位置无关（P>0.05）,与冠状面位置、矢状面位置及形态显著相关（P<0.05）。不同位置、形态的多生牙在具体继发影响类型上无统计学差异（P>0.05）。结论: 替牙期正中多生牙的冠状面、矢状面位置及形态与继发影响相关,通过CBCT早期确定正中多生牙的位置,对于治疗计划制订具有重要意义。

关键词: 替牙期, 正中多生牙, 锥形束CT, 临床特征, 继发影响

Abstract: PURPOSE: To analyze the characteristics of single mesiodens during the replacement period and their secondary effects on adjacent tissues using CBCT, so as to provide a reference for the formulation of clinical diagnosis and treatment plans. METHODS: A total of 305 patients with mesiodens in the mixed dentition period (305 mesiodens) who visited the Hospital of Stomatology, Hebei Medical University from January 2023 to December 2024 were included retrospectively. The coronal, sagittal and horizontal positions as well as the morphology of mesiodens were evaluated by CBCT, and the correlation between mesiodens and secondary effects such as permanent tooth displacement, impaction and adjacent tooth space was analyzed. RESULTS: The average age of the patients was (7.97±1.69) years, with a male-to-female ratio of 2.96∶1. A total of 51.48% (157/305) of mesiodens caused secondary effects on adjacent tissues. Correlation analysis showed that whether mesiodens caused secondary effects was not related to the patient's gender, age or horizontal position(P>0.05), but was significantly related to the coronal position, sagittal position, and morphology (P<0.05). There was no significant difference in the specific types of secondary effects among mesiodens with different positions and morphologies (P>0.05). CONCLUSIONS: The coronal and sagittal positions and shapes of mesiodens during the replacement period are related to secondary effects. Early determination of the position of mesiodens through CBCT is of great significance for determining treatment plans.

Key words: Dental replacement period, Mesiodens, CBCT, Clinical features, Secondary effects

中图分类号:

R782.1

任群, 张克剑, 李想, 刘文静, 张泰, 刘晓琳. 替牙期正中多生牙临床特征与继发影响的相关性分析[J]. 中国口腔颌面外科杂志, 2026, 24(2): 122-127.

Ren Qun, Zhang Kejian, Li Xiang, Liu Wenjing, Zhang Tai, Liu Xiaolin. Study on the correlation between clinical characteristics and secondary effects of mesiodens during the replacement period[J]. China J Oral Maxillofac Surg, 2026, 24(2): 122-127.

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替牙期正中多生牙临床特征与继发影响的相关性分析

Study on the correlation between clinical characteristics and secondary effects of mesiodens during the replacement period

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