Klasse II Div. 1
,
Enge Zahnbögen
,
Engstand
,
Rotationen

Mesialisation
,
 Nivellierung der Spee-Kurve
,
Intrusion
,
Expansion
,
Retraktion
,
First premolar extraction
,
ASR
,
Extraktion
Courtesy of Dr Q. Chen, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 26
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 18 monate

Anzahl der Aligner

  • Maxillary: 36 + 19 + 11 = 66
  • Mandibulary: 36 + 19 + 21 = 76

Aligner Wear time

  • 1 woche

Retention

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

Results achieved

  • Class II relationship maintained
  • Funktionale Eckzahn-Führung auf beiden Seiten
  • Normaler Overjet und Overbite erzielt
  • Curve of Spee leveled
  • Ästhetische Lachlinie wurde erzielt  
  • Alle Behandlungsziele wurden erreicht für den Fall
  • Harmonie der Zahnbögen wurde erzielt

Bemerkungen

  • This is a high-efficiency extraction case that was finished in 18 months.
  • The patient was away for work so the treatment was stopped for 10 months between the second and third MCC.
  • All aligners were used just for a week.
  • G6 system worked very well to achieve moderate anchorage and aligned the displaced upper canines in 36 weeks.
  • IPR was a necessary way to level the curve of Spee if a non-extraction plan was chosen in the lower arch.

Images

Initial and final

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lower
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Fortschritt

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AusgangspositionFinale
Before picture of treatment
After picture of treatment
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Röntgenbilder

Ausgangsposition Finale
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