口腔医学研究

口腔医学研究 ›› 2018, Vol. 34 ›› Issue (9): 956-959.DOI: 10.13701/j.cnki.kqyxyj.2018.09.009

• 口腔正畸学研究 • 上一篇    下一篇

前牙深覆盖伴单颗下中切牙先天缺失患者不同拔牙模式疗效的研究

张玺1,王翔2,王林1,谷妍1,吴可1,赵春洋1*   

  1. 1. 南京医科大学口腔医学研究所,南京医科大学附属口腔医院正畸科 江苏 南京 210029;
    2. 南通市第一人民医院口腔科 江苏 南通 226001
  • 收稿日期:2018-03-01 出版日期:2018-09-28 发布日期:2018-09-25
  • 通讯作者: 赵春洋,E-mail:zhaochunyang_orth@163.com
  • 作者简介:张玺(1993~ ),女,江苏南通人,硕士在读,医师,主要从事正畸学临床及研究工作。
  • 基金资助:
    国家自然科学基金(编号:81571005、81230022);江苏省高校优势学科建设工程(编号:2014-37);临床医学科技专项－重点病种的规范化诊疗研究(编号:BL2014073);科教强卫口腔正畸学zdxka(编号:2016026)

Study on Extraction Models for Anterior Deep Overjet Patients with Congenital Hypodontia of A Mandibular Central Incisor.

ZHANG Xi1, WANG Xiang2, WANG Lin1, GU Yan1, WU Ke1, ZHAO Chun-Yang1*.   

  1. 1.Jiangsu Key Laboratory of Oral Diseases, Department of Orthodontics, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing 210029, China;
    2. Department of Stomatology, The First People's Hospital of Nantong, Nantong 226001, China.
  • Received:2018-03-01 Online:2018-09-28 Published:2018-09-25

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摘要： 目的: 使用PAR(Peer Assement Rating )指数研究前牙深覆盖伴单颗下中切牙先天缺失患者采用不同拔牙模式的正畸治疗的疗效。方法: 回顾性研究前牙深覆盖伴单颗下中切牙先天缺失病例36例,分成A、B两组,A组18例,拔除2颗上颌第一前磨牙矫治,B组18例,拔除上颌2颗第一前磨牙和下颌一颗前磨牙矫治。测量分析A、B两组治疗前后的PAR指数和头影测量值。结果: 两组病例治疗前后PAR指数的各项指标均有所改善(P<0.01),B组治疗后后牙牙合关系(P<0.05)及中线(P<0.01)改善更显著。结论: 前牙深覆盖伴单颗下中切牙先天缺失的患者,采用拔除上颌两颗第一前磨牙及下颌一颗前磨牙矫治的咬合关系更好。

关键词: 前牙深覆盖, 下中切牙先天缺失, 拔牙模式, PAR指数, 头影测量

Abstract: Objective: To investigate the orthodontic treatment outcome of anterior deep overjet patients with congenital hypodontia of a mandibular central incisor using PAR index. Methods: This retrospective study included thirty-six deep overjet patients with congenital hypodontia of a mandibular central incisor. Eighteen patients who extracted maxillary first premolars were in group A. Other eighteen patients who extracted maxillary first premolars and a mandibular premolar were in group B. Group A and B were measured and analyzed according to the PAR indexs and cephalometrics before and after orthodontic treatment. Results: The difference in the weighted PAR scores and each of the PAR scores were statistically significant (P<0.01). There were significant changes in posterior occlusal relationship (P<0.05) and midline (P<0.01) in group B. Conclusion: Extraction of two maxillary premolars and one mandibular premolar could achieve more satisfactory occlusal relationship to anterior deep overjet patients with congenital hypodontia of a mandibular central incisor.

Key words: Anterior deep overjet , Congenital hypodontia of mandibular central incisor , Extraction models , Peer assement rating index , Cephalometric analysis