Nabavizadeh Ali, Zeini Negar, Azarm Ali, Khalili Parvin, Hajipour Fatemeh, Khaghani Sarah
Department of Orthodontics, School of Dentistry, Rafsanjan University of Medical Sciences, Rafsanjan, Kerman, Iran.
Department of Oral and Maxillofacial Radiology, School of Dentistry, Rafsanjan University of Medical Sciences, Rafsanjan, Kerman, Iran.
Int J Dent. 2023 Aug 19;2023:9414184. doi: 10.1155/2023/9414184. eCollection 2023.
The sella turcica is one of the important landmarks of lateral cephalometry, which is used in orthodontics for the diagnosis, treatment plan, and evaluation of skeletal development and maturity. The purpose of the present study is to investigate the relationship between the dimensions and morphology of sella turcica with the long-face growth pattern and people with an open bite. This study also examines the relationship between sella turcica bridging (STB) and the vertical growth pattern.
As many as 153 radiographs were analyzed using the Romexis software, considering the basal, gonial, and FMA angles to determine the vertical growth pattern of the face. The basal angle was also used to check for an open bite. Of these patients, 80 had a long vertical face growth pattern, and 73 had a normal face growth pattern. The four landmarks of tuberculum sellae, dorsum sellae, sellae floor, and posterior clinoid were determined on the cephalograms to measure the length, depth, and anteroposterior diameter of the sella turcica.
In this study, it was found that the chance of developing a long face in people with partial and complete bridging is 8.37 and 1.92, respectively. An increase in the length of the sella turcica for one unit decreases the chance of a long face, and as the depth of the sella turcica increases, the chance of a long face increases.
STB is frequently seen in people with long faces. However, this finding should be considered in relation to other diagnostic parameters. The shorter the length and higher the depth of sella turcica, the higher the chance of developing a long face.
蝶鞍是头颅侧位测量的重要标志之一，在正畸学中用于骨骼发育和成熟度的诊断、治疗计划制定及评估。本研究的目的是探讨蝶鞍的尺寸和形态与长面生长型及开牙合患者之间的关系。本研究还考察了蝶鞍桥接（STB）与垂直生长型之间的关系。
使用Romexis软件分析了153张X线片，通过基底角、下颌角和FMA角来确定面部的垂直生长型。基底角也用于检查是否存在开牙合。在这些患者中，80例具有长垂直面生长型，73例具有正常面生长型。在头颅侧位片上确定蝶鞍结节、鞍背、鞍底和后床突这四个标志点，以测量蝶鞍的长度、深度和前后径。
在本研究中发现，部分桥接和完全桥接的人群中出现长面的几率分别为8.37和1.92。蝶鞍长度每增加一个单位，出现长面的几率降低，而随着蝶鞍深度增加，出现长面的几率增加。
长面人群中经常可见STB。然而，这一发现应结合其他诊断参数来考虑。蝶鞍长度越短、深度越高，出现长面的几率越高。
