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  3. Un Estudio De Tomografía Computarizada De Haz De Cono Longitudinal De Cambios En El Canal Mandibular Durante El Crecimiento
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  3. Un Estudio De Tomografía Computarizada De Haz De Cono Longitudinal De Cambios En El Canal Mandibular Durante El Crecimiento

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Un estudio de tomografía computarizada de haz de cono longitudinal de cambios en el canal mandibular durante el

Stephanie H Chen1, Normand Boucher1, Chun-Hsi Chung1

  • 1Department of Orthodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Orthodontics & craniofacial research
|September 4, 2025

Ver abstracta en PubMed

Resumen
Este resumen es generado por máquina.

El canal mandibular

Palabras clave:
crecimiento y desarrolloel canal mandibularel foramen mental

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Área de la Ciencia:

  • Odontología
  • La ortodoncia
  • La anatomía

Sus antecedentes:

  • El canal mandibular es tradicionalmente visto como una referencia estable en imágenes 2D.
  • Su estabilidad en la dimensión transversal durante el crecimiento no se comprende bien.

Objetivo del estudio:

  • Investigar los cambios dimensionales y posicionales del canal mandibular durante el crecimiento.
  • Para evaluar la fiabilidad del canal mandibular como estructura de referencia en 3D.

Principales métodos:

  • Estudio longitudinal retrospectivo mediante tomografía computarizada por haz cónico (CBCT).
  • Superposición 3D de escaneos de dos puntos de tiempo en 17 sujetos (mezclado a la dentición permanente temprana).
  • Evaluación de las dimensiones de los canales, la distancia entre canales y la distancia entre canales y mandíbulas.

Principales resultados:

  • Las dimensiones del canal mandibular mostraron estabilidad posterior pero aumentaron anteriormente.
  • Se produjo un desplazamiento lateral, pero no como un simple movimiento corporal o en forma de V.
  • La posición del canal con respecto al cuerpo mandibular cambiaba continuamente.

Conclusiones:

  • Los cambios significativos en el desarrollo de las dimensiones del canal mandibular y la posición lateral ocurren durante la dentición mixta a temprana.
  • Estos hallazgos desafían la suposición de la estabilidad absoluta del canal mandibular.
  • Implicaciones para el uso del canal mandibular como referencia fija en los estudios longitudinales y la planificación del tratamiento.