国际口腔医学杂志 ›› 2021, Vol. 48 ›› Issue (5): 536-540.doi: 10.7518/gjkq.2021071

• 论著 • 上一篇    下一篇

上颌腭侧阻生尖牙与寰椎后桥相关性的锥形束CT研究

田浩楠(),林敏,谢丛蔓,任嫒姝()   

  1. 重庆医科大学附属口腔医院 口腔疾病与生物医学重庆市重点实验室重庆市高校市级口腔生物医学工程重点实验室 重庆 401147
  • 收稿日期:2021-01-12 修回日期:2021-05-21 出版日期:2021-09-01 发布日期:2021-09-10
  • 通讯作者: 任嫒姝
  • 作者简介:田浩楠,硕士,Email: 2018110857@stu.cqmu.edu.cn
  • 基金资助:
    2016年重庆高校创新团队建设计划资助项目(CXTDG2016-02006)

Association between ponticulus posticus and maxillary palatally impacted canine: a cone-beam computed tomography study

Tian Haonan(),Lin Min,Xie Congman,Ren Aishu()   

  1. Stomatological Hospital of Chongqing Medical University & Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences & Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China
  • Received:2021-01-12 Revised:2021-05-21 Online:2021-09-01 Published:2021-09-10
  • Contact: Aishu Ren
  • Supported by:
    Program for Innovation Team Building at Institutions of Higher Education in Chongqing in 2016(CXTDG2016-02006)

摘要:

目的 利用锥形束CT(CBCT)研究上颌腭侧阻生尖牙患者寰椎后桥的发生情况及其相关性。方法 选取117例上颌尖牙腭侧阻生患者作为实验组,147例上颌尖牙正常萌出者作为对照组。通过CBCT影像结合Mimics 20.0三维测量软件观察寰椎后桥形态。采用SPSS 21.0软件进行数据统计分析。结果 实验组寰椎后桥发生率为35.04%,对照组寰椎后桥发生率为21.09%,组间寰椎后桥发生率的差异具有统计学意义(P<0.05)。组间单侧与双侧寰椎后桥发生率无明显差异(P>0.05)。实验组男性寰椎后桥发生率明显高于女性(P<0.05),而对照组性别无明显差异(P>0.05)。实验组中寰椎后桥1+2型的发生率高于对照组(P<0.05)。结论 上颌尖牙腭侧阻生患者寰椎后桥的发生率明显高于上颌尖牙正常萌出者,且男性上颌尖牙腭侧阻生患者发生寰椎后桥的概率更大。

关键词: 上颌尖牙腭侧阻生, 寰椎后桥, 锥形束CT

Abstract:

Objective This study was performed to investigate the association and prevalence of ponticulus posticus in patients with maxillary palatally impacted canine by using cone-beam computed tomography (CBCT). Methods We selected 117 patients with maxillary palatally impacted canine as the experimental group and 147 with normally erupted canine as the control group. CBCT images and Mimics 20.0 software were used to record the morphology of the ponticulus posticus. Statistical analysis was performed using SPSS 21.0. Results The prevalence rates of ponticulus posticus were 35.04% in the experimental group and 21.09% in the control group. The prevalence between the two groups was statistically significant (P<0.05). No significant difference was found between the prevalence of unilateral and bilateral ponticulus posticus in the two groups (P>0.05). The prevalence of ponticulus posticus in males was significantly higher than that in females in the experimental group (P<0.05). By contrast, the gender difference in the control group was not statistically significant (P>0.05). The prevalence of ponticulus posticus type 1+2 was higher in the experimental group than that in the control group (P<0.05). Conclusion The prevalence of ponticulus posticus in patients with maxillary palatally impacted canine was significantly higher than that in patients with normally erupted canine, with higher prevalence rate in males.

Key words: maxillary palatally impacted canine, ponticulus posticus, cone-beam computed tomography

中图分类号: 

  • R78

图1

寰椎后桥类型 A:类型1;B:类型2;C:类型3;D:类型4"

表 1

实验组和对照组寰椎后桥类型比较"

类型
分组
实验组 对照组
男性 女性 合计 男性 女性 合计
1+1 22(45.83) 54(78.26) 76(64.96) 43(79.63) 73(78.49) 116(78.91)
2+2 6(12.50) 3(4.35) 9(7.70) 3(5.56) 4(4.30) 7(4.76)
3+3 1(2.08) 0(0) 1(0.85) 0(0) 1(1.08) 1(0.68)
4+4 2(4.16) 0(0) 2(1.71) 2(3.70) 1(1.08) 3(2.04)
1+2* 7(14.58) 4(5.80) 11(9.40) 1(1.85) 6(6.45) 7(4.76)
1+3 4(8.33) 1(1.45) 5(4.27) 2(3.70) 3(3.23) 5(3.40)
1+4 1(2.08) 2(2.90) 3(2.56) 1(1.85) 2(2.15) 3(2.04)
2+3 1(2.08) 2(2.90) 3(2.56) 1(1.85) 1(1.08) 2(1.36)
2+4 4(8.33) 2(2.90) 6(5.13) 1(1.85) 2(2.15) 3(2.04)
3+4 0(0) 1(1.45) 1(0.85) 0(0) 0(0) 0(0)
合计 48 69 117 54 93 147
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