Klasse I
,
Kreuzbiss im Seitenzahnbereich
,
Anteriorer Kreuzbiss
,
Erhöhter Overjet
,
Deep bite
,
Enge Zahnbögen
,
Asymmetrische Zahnbögen
,
Mittellinienverschiebung
,
Engstand

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

Treatment Summary

Patient Information

  • Age: 16
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen

Total Treatment Time

  • 22 monate

Anzahl der Aligner

  • Maxillary: 52 + 38 + 32 = 122
  • Mandibulary: 52 + 38 + 32 = 122

Aligner Wear time

  • 1 woche

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Klasse I-Relation erzielt
  • Posteriorer Kreuzbiss korrigiert
  • Normaler Overjet und Overbite erzielt
  • Tiefbiss verbessert
  • Overjet verbessert
  • Mittellinien symmetrisch
  • 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

  • Because this was a teenager case with short dental crown, we used modified G6 attachment system to close the extraction space and the result was great.
  • 5mm over-jet and 5mm over-bite were fully corrected.
  • One week change of aligner was available for cooperative teenager.
  • Class II elastics was necessary as the anchorage of upper molar was weaker than the anchorage of lower.

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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