Clase I
,
Apiñamiento

Retracción
,
First premolar extraction
,
Overtreatment
,
Elásticos: Clase II
Courtesy of Dr S. Zhang, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 17
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 24 meses

Número de aligners

  • Maxillary: 54 + 9 = 63
  • Mandibulary: 54 + 12 = 66

Aligner Wear time

  • 10d

Retencion

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Relación de Clase I mantenida
  • Guía canina funcional en ambos lados
  • Resalte normal y sobremordida conseguida
  • Coincidente con líneas medias
  • Inclinación axial adecuada de los incisivos
  • Curve of Spee leveled
  • Arcadas alineadas y coordinadas
  • Consecución de una línea de la sonrisa estética  
  • Todos los objetivos del tratamiento alcanzados

Comentarios

  • This is a four first premolars extraction case that needed maximum anchorage in the upper arch.
  •  G6 was used in the upper arch and obtained satisfactory results.
  • Overcorrection was used to counter the pendulum effect during the retraction of anterior teeth.

Images

Initial and final

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Progreso

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InicialFinal
Before picture of treatment
After picture of treatment
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Radiografías

Inicial Final
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