Classe I
,
Surplomb accru
,
Rétrognathie mandibulaire
,
Arcades étroites
,
Encombrement

Distalisation
,
Mésialisation
,
 Nivellement de la courbe de Spee
,
Ingression
,
Rétraction
,
First premolar extraction
,
TADs
,
Élastiques : Classe II
,
Extraction
Courtesy of Dr Q. Chen, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 31
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 23 mois

Nombre d'aligners

  • Maxillary: 54 + 37 = 91
  • Mandibulary: 57 + 40 = 97

Aligner Wear time

  • 1 semaine

Rétention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Relation de Classe I maintenue
  • Guidage fonctionnel des canines des deux côtés
  • Surplomb normal et recouvrement obtenu
  • Supraclusion améliorée
  • Surplomb amélioré
  • Arcades alignées et coordonnées
  • Forme de l'arcade améliorée
  • Ligne de sourire esthétique obtenue  
  • Cas dont les objectifs de traitement ont tous été atteints
  • Obtention d’arcades harmonieuses

Commentaires

  • Invisalign works well in premolar extraction case.
  • The upper and lower front teeth were retracted by 9mm.
  • Class II elastics were used to enhance maxillary anchorage and help retract incisors.
  • MIA was a good way to work with aligners to retract front teeth.
  • No black triangle was found after treatment with some IPR in front teeth.
  • Lip posture and facial profile were improved after front teeth retraction.
  • The shape of chin was much better after treatment.

Images

Initial and final

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lower
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front
left
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lower
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left

Le progrès

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DébutFinal
Before picture of treatment
After picture of treatment
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Radiographies

Début Final
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