Assessment and Comparison of Cervical Column Morphology and Cranial Base Angle in Three Different Facial Types – A Cephalometric Study

Anshuka, Anshuka; Vaswani, Varsha; Khajuria, S. P.

doi:10.14260/jemds/2020/567

Cited by 2 publications

(4 citation statements)

References 13 publications

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“…Although in the study by Anshuka et al, hyperdivergent and hypodivergent individuals had larger and smaller cranial angles, respectively (6), the current study found no relationship between the cranial base angle and different facial types. The discrepancies observed in the studies reveal the need for more detailed studies on this subject.…”

Section: Discussioncontrasting

confidence: 82%

“…The most common cervical vertebral anomalies include fusion and posterior arch deficiency (PAD) (3). Although it is possible to observe cervical vertebral anomalies in healthy individuals with normal occlusion and normal craniofacial morphology, some studies have found an association between upper cervical vertebral malformations and cleft lip and palate (6), condylar hypoplasia (7), skeletal deep bite (8), skeletal mandibular overjet, and skeletal open bite (9).…”

Section: Introductionmentioning

confidence: 99%

“…Considering the relationship between the cervical spine and head position and the relationship between head and craniofacial morphology, including the mandibular rotation pattern, we may deduce a relationship between cervical morphology and the vertical dimensions of the face (6). Since the nature of this relationship is not well understood, and due to the inadequate studies on this subject and the significance of the issue.…”

Section: Introductionmentioning

confidence: 99%

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Cephalometric Evaluation of the Relationship Between Cervical Vertebral Morphology and Anomalies and the Cranial Base Angle in Different Facial Types and Skeletal Classes

Ostovarrad,

Faghani,

Yousefi

et al. 2023

Odovtos - Int J Dent Sc

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This study examines the morphology and common anomalies of the cervical vertebrae in different skeletal classes and facial types. This cross-sectional study was conducted on 137 lateral cephalometric images of patients aged 18-55 years. The images were evaluated for fusion and posterior arch deficiency as the two most common anomalies along with cervical vertebral morphology (dense angle, the height of the posterior arch of the atlas, the external anterior posterior diameter of the atlas, and the cranial base angle). Data were categorized into three skeletal classes based on the Wits analysis and the ANB angle and also three facial types based on the SN-MP angle. These calculations were performed in SPSS 22 at the significance level of P<0.05. The height of the posterior arch of the atlas was directly and significantly related to age and increased with it. The mean external anterior posterior diameter of C1 was higher in men and in the hypodivergent group. As for the other factors, including cervical spine anomalies, no significant relationship was observed with age, sex, skeletal classes, facial types, and the cranial base angle. Moreover, the mean morphology of the cervical spine was not significantly associated with skeletal classes. Based on the results, the height of the posterior arch of the atlas was associated with age and increased along with it. Moreover, the mean external anterior posterior diameter of the atlas was greater in men and in hypodivergent individuals.

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Section: Discussioncontrasting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cephalometric Evaluation of the Relationship Between Cervical Vertebral Morphology and Anomalies and the Cranial Base Angle in Different Facial Types and Skeletal Classes

Ostovarrad,

Faghani,

Yousefi

et al. 2023

Odovtos - Int J Dent Sc

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“…Indeed, the association between the angle of the cranial base and the morphology of the cervical spine plays a central role in establishing the diagnosis of malocclusion. These morphological changes are also important to consider when searching for etiology, especially in cases of severe skeletal malocclusions 5 .…”

Section: Introductionmentioning

confidence: 99%

An interpretable machine learning approach to study the relationship beetwen retrognathia and skull anatomy

Makaremi,

Vafaei Sadr,

Marcy

et al. 2023

Sci Rep

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Mandibular retrognathia (C2Rm) is one of the most common oral pathologies. Acquiring a better understanding of the points of impact of C2Rm on the entire skull is of major interest in the diagnosis, treatment, and management of this dysmorphism, but also permits us to contribute to the debate on the changes undergone by the shape of the skull during human evolution. However, conventional methods have some limits in meeting these challenges, insofar as they require defining in advance the structures to be studied, and identifying them using landmarks. In this context, our work aims to answer these questions using AI tools and, in particular, machine learning, with the objective of relaying these treatments automatically. We propose an innovative methodology coupling convolutional neural networks (CNNs) and interpretability algorithms. Applied to a set of radiographs classified into physiological versus pathological categories, our methodology made it possible to: discuss the structures impacted by retrognathia and already identified in literature; identify new structures of potential interest in medical terms; highlight the dynamic evolution of impacted structures according to the level of gravity of C2Rm; provide for insights into the evolution of human anatomy. Results were discussed in terms of the major interest of this approach in the field of orthodontics and, more generally, in the field of automated processing of medical images.

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Assessment and Comparison of Cervical Column Morphology and Cranial Base Angle in Three Different Facial Types – A Cephalometric Study

Cited by 2 publications

References 13 publications

Cephalometric Evaluation of the Relationship Between Cervical Vertebral Morphology and Anomalies and the Cranial Base Angle in Different Facial Types and Skeletal Classes

Cephalometric Evaluation of the Relationship Between Cervical Vertebral Morphology and Anomalies and the Cranial Base Angle in Different Facial Types and Skeletal Classes

An interpretable machine learning approach to study the relationship beetwen retrognathia and skull anatomy

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