Age-related changes in the midpalatal suture: Comparison between CBCT staging and bone micromorphology

骨化 纤维接头 医学 锥束ct 牙科 口腔正畸科 计算机断层摄影术 解剖 放射科
作者
Gina Marie Georgi,Sarah Knauth,Edgar Hirsch,Ellen Schulz‐Kornas,Bärbel Kahl‐Nieke,Klaus Püschel,Michael Amling,Till Koehne,Heike Korbmacher-Steiner,Julian Petersen
出处
期刊:Bone [Elsevier BV]
卷期号:179: 116984-116984 被引量:1
标识
DOI:10.1016/j.bone.2023.116984
摘要

The age-related maturation of the human midpalatal suture is challenging to predict, but critical for successful non-surgical rapid maxillary expansion (RME). While cone-beam computed tomography (CBCT) can be used to categorize the suture into stages, it remains unclear how well the stages predict the actual micromorphology of the palate. To address this clinically relevant question, we used CBCT together with three-dimensional micro-computed tomography (μCT) analysis on 24 human palate specimens from individuals aged 14–34 years. We first classified the specimens into stages (A-E) using CBCT images and then correlated the results with our comprehensive μCT analysis. Our analysis focused on several factors, including bone volume fraction (BV/TV), sutural width, volume, interdigitation, ossification, and their associations with age, CBCT stage, and sex. Our μCT analysis revealed a decrease in sutural width and volume after the age of 20 years, accompanied by sutural closure beginning in the palatal segment. The overall rate of ossification remained low but increased after the age of 20 years. No significant differences were found between males and females. Importantly, we also found no correlation between individual age and CBCT stages. Furthermore, there was no association between CBCT stages and patalal suture volume, ossification and interdigitation. Taken together, our findings cast doubt on the reliability of CBCT stage as a means of predicting skeletal maturity of the palatal suture, as it appears to lack the precision required to accurately assess the true micromorphology of the palatal suture. Future investigations should explore whether alternative CBCT parameters may be more useful in addressing the challenging question of whether RME requires surgical bone weakening.
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