Revista de Odontologia da UNESP
https://www.revodontolunesp.com.br/article/doi/10.1590/1807-2577.01122
Revista de Odontologia da UNESP
Original Article

Radiographic studies of the hyoid bone and cervical spine in Angle Class I and Class II/2nd Division malocclusions

Estudos radiográficos do osso hioide e da coluna cervical nas maloclusões Classe I e Classe II/2ª Divisão de Angle

Ana Lucia de Oliveira NASCIMENTO; Fabiano REIS; Mirian Hideko NAGAE

http://dx.doi.org/10.1590/1807-2577.01122 Rev. odontol. UNESP, vol.51, e20220011, 2022
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Abstract

Abstract: Introduction: Interdisciplinary investigative study of the stomatognathic-cervical complex, necessary to understand the structure and biomechanics of the hyoid bone and cervical spine in Class I and II / 2nd Division participants.

Objective: To analyze the position of the hyoid bone and the curvature of the cervical spine on lateral radiographs of participants with Class I and II/2nd Division Angle malocclusion.

Material and method: We evaluated the position of the hyoid bone from its alignment with the corresponding cervical vertebra. The presentation of curvature of the cervical spine was evaluated from the fourth cervical vertebra.

Result: There was a statistically significant difference in the position of the hyoid bone (p=0.027) between the classes, which was located at C3 in Class I and further down, between C3 and C5, in Class II/2nd Division. The cervical spine showed alterations in both classes, with an increase, rectification, and inversion of the curvature with no statistical difference between them (p=0.533).

Conclusion: In this study, the hyoid bone showed different positions in the malocclusions studied, however, poor posture of the cervical spine was common in both classes.

Keywords

Malocclusion, radiography, hyoid bone, cervical column

Resumo

Resumo: Introdução: Estudo interdisciplinar investigativo do complexo estomatognático-cervical, necessário para compreender a estrutura e a biomecânica do osso hioide e coluna cervical em participantes Classe I e II/2ª Divisão de Angle.

Objetivo: Analisar a posição do osso hioide e da curvatura da coluna cervical nas radiografias em perfil de participantes com má oclusão Classes I e II/2ª Divisão de Angle.

Material e método: A posição do osso hioide foi avaliada a partir de seu alinhamento com a vértebra cervical correspondente. A apresentação da curvatura da coluna cervical foi determinada a partir da proximidade com a quarta vértebra cervical.

Resultado: Houve diferença estatística significativa na posição do osso hioide (p=0,027) entre as classes, que ficou situado em C3 na Classe I e mais abaixo, entre C3 e C5, na Classe II/2ª Divisão. A coluna cervical apresentou alterações em ambas as classes sem diferença estatística entre as mesmas (p=0,533), com aumento, retificação e inversão da curvatura.

Conclusão: Neste estudo, o osso hioide apresentou posições distintas nas más oclusões estudadas, no entanto, a má postura da coluna cervical foi comum em ambas as classes.
 

Palavras-chave

Má oclusão, radiografia, osso hioide, coluna cervical

References

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Submitted date:
03/27/2022

Accepted date:
07/01/2022

636e4683a95395323c714b53 rou Articles
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