Klasse I
,
Engstand

Retraktion
,
First premolar extraction
,
Overtreatment
,
Elastics: Klasse II
Courtesy of Dr S. Zhang, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 17
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 24 monate

Anzahl der Aligner

  • Maxillary: 54 + 9 = 63
  • Mandibulary: 54 + 12 = 66

Aligner Wear time

  • 10d

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Klasse I-Relation erhalten
  • Funktionale Eckzahn-Führung auf beiden Seiten
  • Normaler Overjet und Overbite erzielt
  • Mittellinien symmetrisch
  • Richtige axiale Schneidezahninklination
  • Curve of Spee leveled
  • Zahnbögen begradigt und koordiniert
  • Ästhetische Lachlinie wurde erzielt  
  • Alle Behandlungsziele wurden erreicht für den Fall

Bemerkungen

  • This is a four first premolars extraction case that needed maximum anchorage in the upper arch.
  •  G6 was used in the upper arch and obtained satisfactory results.
  • Overcorrection was used to counter the pendulum effect during the retraction of anterior teeth.

Images

Initial and final

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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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