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

Distalisation
,
Mesialisation
,
 Nivellierung der Spee-Kurve
,
Intrusion
,
Expansion
,
Retraktion
,
First premolar extraction
,
ASR
,
Lückenschließung
,
Overtreatment
,
Elastics: Klasse II
,
Extraktion
Courtesy of Dr Q. Chen, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 15
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 21 monate

Anzahl der Aligner

  • Maxillary: 54 + 21 + 22 = 97
  • Mandibulary: 54 + 21 + 22 = 97

Aligner Wear time

  • 1 woche

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

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
  • Deutliche Verbesserung des Overjet
  • Mittellinien symmetrisch
  • Richtige axiale Schneidezahninklination
  • Curve of Spee leveled
  • Zahnbögen begradigt und koordiniert
  • Zahnbogenform verbessert
  • Ästhetische Lachlinie wurde erzielt  
  • Alle Behandlungsziele wurden erreicht für den Fall
  • Harmonie der Zahnbögen wurde erzielt

Bemerkungen

  • Class II elastics were used in the first phase of treatment.
  • Modified G6 attachment design was used in the first phase of treatment as the posterior teeth had a short dental crown.
  • Deep over-bite and protrusive were high efficiently corrected in 51 weeks.
  • All the aligners were used for a week and the treatment was finished in 21 months.
  • Good anterior guidance and canine guidance were achieved.
  • Both the patient and his parents were quite satisfied with the treatment outcome.

Images

Initial and final

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front
left
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front
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AusgangspositionFinale
Before picture of treatment
After picture of treatment
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Röntgenbilder

Ausgangsposition Finale
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