Calcification patterns and morphology of Sella turcica are related to anteroposterior skeletal malocclusions: A cross-sectional study

IF 2 3区医学 Q2 ANATOMY & MORPHOLOGY Annals of Anatomy-Anatomischer Anzeiger Pub Date : 2024-02-29 DOI:10.1016/j.aanat.2024.152233

João Armando Brancher , Larissa Alves Maciel da Silva , Caio Luiz Bitencourt Reis , Mírian Aiko Nakane Matsumoto , Leo de Carvalho , Leonardo Santos Antunes , L.ívia Azeredo Alves Antunes , Maria Bernadete Sasso Stuani , Maria Fernanda Torres , Eva Paddenberg-Schubert , Christian Kirschneck , Erika Calvano Küchler

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Abstract

Background

The sphenoid bone is an irregular, unpaired, symmetrical bone located in the middle of the anterior skull and is involved in craniofacial growth and development. Since the morphology of Sella turcica (ST) is associated with different craniofacial patterns, this study aimed to investigate if there is a correlation between ST morphology on the one hand and sagittal craniofacial patterns on the other hand.

Methods

This study was conducted with a convenience sample that included Brazilian individuals undergoing orthodontic treatment. Lateral cephalograms were used to evaluate the calcification pattern and morphology of ST, as well as skeletal class by analyzing the ANB angle. Pearson's chi-square test with Bonferroni post-hoc test was performed to evaluate the association between ST calcification pattern and morphology, and anteroposterior skeletal malocclusion. The established significance level was 0.05.

Results

The study collective was comprised of 305 orthodontic patients (178 (58.4 %) female, 127 (41.6 %) male), who had a mean age of 23.2 (±10.6) years. 131 participants (42.9 %) presented skeletal class I, 142 (46.6%) skeletal Class II, and 32 (10.5%) had a skeletal class III. The degree of prognathism of the mandible showed a homogenous distribution within the study collective (91 (29.9 %) orthognathic, 100 (32.9 %) retrognathic, 113 (37.2 %) prognathic mandible). Concerning the maxilla, 92 (30.2%) individuals presented an orthognathic upper jaw, whereas 60 (19.7%) showed maxillary retrognathism and 153 (50.2%) maxillary prognathism. Compared to patients with skeletal class I, skeletal class III individuals presented significantly more hypertrophic posterior clinoid process (p<0.007) and pyramidal shape of the dorsum of the ST (p<0.038).

Conclusions

Our results suggest that the hypertrophic posterior clinoid process and pyramidal shape of the ST dorsum are more prevalent in individuals with skeletal class III malocclusion.

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蝶鞍的钙化模式和形态与前胸骨骼畸形有关：一项横断面研究。

背景：蝶骨是位于前颅骨中部的一块不规则、不成对称的骨骼，参与颅面部的生长发育。由于蝶骨（ST）的形态与不同的颅面形态有关，本研究旨在调查蝶骨形态与矢状颅面形态之间是否存在相关性：本研究以方便抽样的方式进行，样本包括正在接受正畸治疗的巴西人。研究使用侧头颅影像评估ST的钙化模式和形态，并通过分析ANB角评估骨骼等级。采用皮尔逊卡方检验（Pearson's chi-square test）和Bonferroni事后检验（Bonferroni post-hoc test）来评估ST钙化模式和形态与前后骨骼错合之间的关系。显著性水平为 0.05：研究对象包括 305 名正畸患者（178 人（58.4%）为女性，127 人（41.6%）为男性），平均年龄为 23.2（±10.6）岁。131人（42.9%）的骨骼等级为一级，142人（46.6%）的骨骼等级为二级，32人（10.5%）的骨骼等级为三级。下颌前突程度在研究集体中呈均匀分布（91 人（29.9%）为正颌，100 人（32.9%）为后突，113 人（37.2%）为下颌前突）。在上颌骨方面，92 人（30.2%）上颌骨呈正颌，60 人（19.7%）上颌骨后突，153 人（50.2%）上颌骨前突。与骨骼分级为一级的患者相比，骨骼分级为三级的患者出现肥大性后蝶骨突的比例明显更高（p结论：我们的研究结果表明，在骨骼Ⅲ级错颌畸形患者中，肥大的后基突和ST背的金字塔形更为普遍。

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来源期刊

Annals of Anatomy-Anatomischer Anzeiger 医学-解剖学与形态学

CiteScore

4.40

自引率

22.70%

发文量

137

审稿时长

33 days

期刊介绍： Annals of Anatomy publish peer reviewed original articles as well as brief review articles. The journal is open to original papers covering a link between anatomy and areas such as •molecular biology, •cell biology •reproductive biology •immunobiology •developmental biology, neurobiology •embryology as well as •neuroanatomy •neuroimmunology •clinical anatomy •comparative anatomy •modern imaging techniques •evolution, and especially also •aging