国际口腔医学杂志 ›› 2023, Vol. 50 ›› Issue (6): 653-660.doi: 10.7518/gjkq.2023098

• 正畸学专栏 • 上一篇    下一篇

蝶鞍的形态学特点及其与错畸形的关系

王罗丹1(),范红1,2()   

  1. 1.山西医科大学口腔医学院 太原 030001
    2.山西医科大学附属人民医院口腔正畸科 太原 030012
  • 收稿日期:2023-05-07 修回日期:2023-08-20 出版日期:2023-11-01 发布日期:2023-10-24
  • 通讯作者: 范红
  • 作者简介:王罗丹,医师,硕士,Email:1286314365@qq.com

Morphological characteristics of sella turcica and its relationship with malocclusion

Wang Luodan1(),Fan Hong1,2()   

  1. 1.School of Stomatology, Shanxi Medical University, Taiyuan 030001, China
    2.Dept. of Orthodontics, Shanxi Provincial People’s Hospital Affiliated to Shanxi Medical University, Taiyuan 030012, China
  • Received:2023-05-07 Revised:2023-08-20 Online:2023-11-01 Published:2023-10-24
  • Contact: Hong Fan

摘要:

蝶鞍是位于蝶骨体内表面的鞍形骨结构。在正畸领域中,蝶鞍中心的蝶鞍点是头影测量分析时最常用的标志点之一。它的形态学常用于描述颅面形态,进而评估颅面形态与上下颌的关系。蝶鞍的大小、形态变化,尤其是鞍桥常常与颅颌面畸形、牙齿发育异常存在密切关系。正畸医生应熟悉蝶鞍区域的正常解剖结构特点及形态变异,以便识别和研究与之相关的病理情况。本文主要对蝶鞍的形态学特点,以及蝶鞍形态与各类错畸形、牙齿发育异常的相关性进行总结,为临床诊疗工作提供辅助诊断依据。

关键词: 蝶鞍, 鞍桥, 形态学, 错(牙合)畸形, 牙齿发育异常

Abstract:

The sella is a saddle shaped bone located on the inner surface of the sphenoid bone. In the field of orthodontics, the sella point at the center of the sella is one of the most commonly used landmarks in cephalometric analysis. Its morphology is often used to describe craniofacial morphology, and then evaluate the relationship between craniofacial morphology and maxillary and mandible. Recently, scholars have found that the size and morphological changes of the sella turcica, especially the saddle bridge, are often closely related to craniofacial malformations and tooth dysplasia. Orthodontists should be familiar with the normal anatomical structural characteristics and morphological variations of the sella turcica region in order to identify and study the relevant pathological conditions. This study mainly summarized the morphological characteristics of the sella turcica, and the correlation between various types of skeletal malocclusions, tooth development abnormalities and sella turcica morphology, providing new auxiliary diagnostic ideas for clinical diagnosis and treatment.

Key words: sella turcica, saddle bridge, morphology, skeletal malocclusion, tooth development abnormality

中图分类号: 

  • R 783.5

图 1

蝶鞍的解剖结构"

图 2

蝶鞍大小的测量示意图TS:前壁鞍结节;DS:后壁鞍背;BPF:蝶鞍底最深点。"

图3

蝶鞍的解剖形态分类A:椭圆形;B:圆形;C:扁平形。"

图4

蝶鞍的影像学形态分类A:正常蝶鞍;B:前壁倾斜;C:鞍底双重轮廓;D:鞍桥;E:蝶鞍后部不规则凹槽;F:金字塔形后壁。"

图5

正常蝶鞍与鞍桥A:正常蝶鞍;B:单侧鞍桥(红圈示);C:双侧鞍桥(红圈示)。"

图6

鞍桥的类型1(Becktor分类)A:鞍桥有明显的带状融合;B:前床突和/或后床突延长且融合。"

图7

鞍桥的类型2(Leonardi分类)A:Ⅰ类(无钙化);B:Ⅱ类(部分钙化,不完全桥);C:Ⅲ类(完全钙化,完全桥)。"

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