Cephalometric Investigation of First Cervical Vertebrae Morphology and Hyoid Position in Young Adults with Different Sagittal Skeletal Patterns

Arslan, Seher; Dildeş, Neval; Kama, Jalen Devecioğlu

doi:10.1155/2014/159784

Cited by 6 publications

(5 citation statements)

References 42 publications

(42 reference statements)

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“…The present study revealed that the relationship among the ANB angle and the hyoid bone position was reversely correlated in healthy patients which was a disagreement with different studies like Abu Alhaija et al [33] and Arslan et al [12] . It also showed no significant statistical difference between different facial morphologies or growth patterns and the position of the hyoid bone and hence proving wrong in the basis of Jarabak's ratio which is one of the oldest and commonest used ratios for growth patterns and facial morphologies.…”

Section: Discussioncontrasting

confidence: 99%

The Evaluation of Hyoid Bone in Different Skeletal Malocclusions and Growth Patterns in Indian Population.

Kim¹,

Raval²,

Patil³

2016

IJAR

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The aim of the study was to investigate the relationship of the different skeletal malocclusions as well as various growth patterns to the position and orientation of the hyoid bone. Materials and methods: A total of 60 pretreatment digital lateral cephalograms were selected according to the criteria and grouped into 3 groups, group 1: Class I (n=20), group 2: Class II (n=20) and group 3: Class III(n=20). The original 60 lateral cephalograms were also grouped under three different growth patterns into hyperdivergent (n=17), hypodivergent (n=24) and neutral (n=19) which were given according to Jarabak. Lateral cephalograms were traced and analysed on different linear and angular parameters such as H-NSL, H-FH, H-NL, H-Pog, H-Me, H-C3, NSH and MPH. The arithmetic mean and standard deviation values were calculated for each measurement. Independent sample t-test was performed to compare the difference between the skeletal classes as well as with the growth patterns. Result: The linear measurements of H-FH, H-NL, H-Pog, H-Me, H-C3 showed statistically significant differences in Class I, Class II, and Class III (p-vaule=0.03, 0.01, 0.0, 0.0 and 0.009 respectively). The angular measurements of SNA, SNB, ANB, SNH were also statistically significant (p-value=0.006, 0.0, 0.0 and 0.030 respectively) indicating the differences in respective class malocclusions. However, in the study that was grouped according to different growth patterns, viz. hyperdivergent(Hp), hypodivergent(Ho), and neutral (Nt) did show statically significant differences. (p-value<0.05). Conclusion: The hyoid bone position and orientation is different in different skeletal malocclusions. In class III malocclusion, the hyoid bone is more anteriorly and inferiorly placed. In class II malocclusion, the hyoid bone position is more posterior and more superior. The anteroposterior dimensions in different class malocclusions remained constant. No relationship could be found between different facial morphologies (growth patterns) and hyoid bone position as well as orientation.

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Section: Discussioncontrasting

confidence: 99%

The Evaluation of Hyoid Bone in Different Skeletal Malocclusions and Growth Patterns in Indian Population.

Kim¹,

Raval²,

Patil³

2016

IJAR

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“…It has been shown that the hyoid bone position differs in each type of malocclusion. It is positioned inferiorly in Class I and Class II malocclusion, 37,38 and superiorly in Class III malocclusion. 39 In the present study, the hyoid bone was found to be more superior to the mandible in the cases as compared to the controls.…”

Section: Discussionmentioning

confidence: 99%

“…It is due to the fact that the majority of controls had Class I and II malocclusion, which is consistent with what has been previously reported. 37,38 The majority of cases, however, had Class II malocclusion, but the hyoid bone was still located superior to the mandible; this can be explained by the fact that although the dominant malocclusion type was Class II, the associated LFH and VAL were reduced, which means that there was less space for the tongue, resulting in the stretching of the associated soft tissues which are connected to the epiglottis, thereby elevating the hyoid bone more superiorly.…”

Section: Discussionmentioning

confidence: 99%

Upper airway dimensions and the skeletal parameters in orthodontic patients who developed moderate–severe COVID-19 symptoms during the pandemic

Maaitah¹,

Al-Musfir²,

Jawad³

et al. 2023

Dent. Med. Probl.

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Background. Large airway dimensions are associated with a rapid decline in the lung function and a higher risk of hospitalization. Therefore, the airway dimensions of healthy subjects who tested positive for coronavirus disease 2019 (COVID-19) may be associated with the severity of COVID-19 symptoms.Objectives. The objectives of this study were to measure the upper airway dimensions and the craniofacial skeletal parameters in patients who tested positive for COVID-19, to compare the upper airway dimensions and the craniofacial skeletal parameters between patients who developed no/mild symptoms and those with moderate-severe COVID-19 symptoms, and to assess any association of the skeletal relationships (anteroposterior (AP) and vertical) and the upper airway dimensions with the severity of COVID-19 symptoms in adult subjects. Material and methods.A total of 204 orthodontic patients who tested positive for COVID-19 were evaluated. Of these, only 137 met the inclusion criteria. The sample was further subdivided into 2 groups based on the severity of symptoms: cases (moderate-severe symptoms; n = 56); and controls (asymptomatic/mild symptoms; n = 81). The upper airway dimensions and the skeletal parameters were measured on lateral cephalograms. The nonparametric Mann-Whitney U test was used to detect differences between the cases and the controls. Binary logistic regression analysis was used to evaluate the association between the studied variables and the severity of symptoms.Results. The cases had a reduced lower face height (LFH) and a reduced perpendicular distance from the hyoid bone to the line connecting the anteroinferior limit of the 3 rd cervical vertebra (C3) and the retro gnathion point (RGN) (HH1) as compared to the controls. Regression analysis revealed a significant association of LFH (p = 0.013), the vertical airway length (VAL) (p = 0.002) and HH1 (p = 0.021) with the severity of COVID-19 symptoms.Conclusions. The types of malocclusion were similar in the cases and the controls. Patients with reduced LFH and VAL, and a superiorly positioned hyoid bone in relation to the mandible developed more severe COVID-19 symptoms.

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“…Los resultados fueron similares a un estudio efectuado por Khanna et (25,26), revelan que el hueso hioides mantiene una posición y orientación constante en individuos con diferentes patrones esqueletales. Sin embargo, en dichas investigaciones utilizaron muestras pequeñas de estudio lo cual disminuye su confiabilidad.…”

Section: Discussionunclassified

Posición Hioidea en radiografías cefálicas laterales de pacientes entre 8 y 18 años.

Abril Ochoa,

Vidal Dávila,

Siilva Ulloa

et al. 2021

Salud

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Objetivo: El objetivo de este estudio, fue evaluar la posición del hueso hioides en los diferentes patrones esqueletales de Clase I, II y III mediante el trazado cefalométrico del triángulo hioideo, estableciendo diferencias entre cada clase. Materiales y métodos: La muestra consistió en 161 radiografías cefálicas laterales digitales correspondientes a pacientes de ambos sexos (75 hombres y 86 mujeres), cuyas edades fluctuaron entre los 9 y 18 años las mismas que fueron divididas en tres subgrupos (Clase I, clase II y clase III) de acuerdo a los ángulos ANB y APDI. Se determinó la posición anteroposterior, vertical y angular del hueso hioides mediante el trazado cefalométrico del triángulo hioideo siendo el mentón, la tercera vértebra cervical y el hueso hioides las estructuras anatómicas utilizadas para el trazado del mismo. Se obtuvieron medidas estándar para cada clase esqueletal. Resultados: Se observaron diferencias estadísticamente significativas en la medida de H-Rgn entre clase I y II y entre clase II y III (p<0,005). El valor del ángulo del plano hioidal presentó diferencias estadísticamente significativas entre clase I y III y entre clase II y III (p<0,005). Se evidenciaron diferencias estadísticamente significativas entre hombres y mujeres con clase I esqueletal en la medida H-Rgn. La posición angular del hueso hioides mostró diferencias estadísticamente significativas entre los distintos grupos etarios en las tres clases esqueletales. Conclusiones: La posición del hueso hioides varía en los diferentes patrones esqueletales. Sin embargo, su posición en relación a la columna cervical presenta menos variabilidad que su relación con la mandíbula. Es importante considerar el dimorfismo sexual al evaluar la posición hioidea, así como cambios en su posición en individuos en etapa de crecimiento.

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Cephalometric Investigation of First Cervical Vertebrae Morphology and Hyoid Position in Young Adults with Different Sagittal Skeletal Patterns

Cited by 6 publications

References 42 publications

The Evaluation of Hyoid Bone in Different Skeletal Malocclusions and Growth Patterns in Indian Population.

The Evaluation of Hyoid Bone in Different Skeletal Malocclusions and Growth Patterns in Indian Population.

Upper airway dimensions and the skeletal parameters in orthodontic patients who developed moderate–severe COVID-19 symptoms during the pandemic

Posición Hioidea en radiografías cefálicas laterales de pacientes entre 8 y 18 años.

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