Klasse II Div. 1
,
Erhöhter Overjet
,
Mandibuläre Retrognathie
,
Deep bite
,
Enge Zahnbögen
,
Mandibuläre Mittellinien-Abweichung
,
Mittellinienverschiebung
,
Engstand
,
Lückenstand

Mandibuläre Protrusion
,
Distalisation
,
 Nivellierung der Spee-Kurve
,
Intrusion
,
Expansion
,
Retraktion
,
ASR
,
Elastics: Klasse III
Courtesy of Dr Q. Chen, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 12
  • Gender: female
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 27 monate

Anzahl der Aligner

  • Maxillary: 53 + 23 + 24 = 100
  • Mandibulary: 56 + 23 + 24 = 103

Aligner Wear time

  • 1 woche

Retention

  • Maxillary: Fixed/Bonded
  • Mandibular: Fixed/Bonded

Results achieved

  • Klasse I-Relation erzielt
  • Funktionale Eckzahn-Führung auf beiden Seiten
  • Normaler Overjet und Overbite erzielt
  • Tiefbiss verbessert
  • Overjet verbessert
  • Deutliche Verbesserung des Overbite
  • Mittellinien symmetrisch
  • Richtige axiale Schneidezahninklination
  • Curve of Spee leveled
  • Zahnbogenform verbessert
  • Ästhetische Lachlinie wurde erzielt  
  • Alle Behandlungsziele wurden erreicht für den Fall
  • Harmonie der Zahnbögen wurde erzielt

Bemerkungen

  • Invisalign is good for molar distalization and intrusion of lower front teeth.
  • The upper posterior teeth were distally moved by 1mm.
  • Class II elastics were used in the first phase and MA was used in the next two phases to correct mandibular retrognathia and help retract upper incisors.
  • The upper and lower arches were expanded by 1mm per side at the posterior and canine areas.
  • The lip posture was much better after correction of deep bite and retraction of upper front teeth.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left
AusgangspositionFinale
Before picture of treatment
After picture of treatment
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Röntgenbilder

Ausgangsposition Finale
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