Klasse I
,
Anteriorer Kreuzbiss
,
Deep bite
,
Engstand

 Nivellierung der Spee-Kurve
,
Intrusion
,
First premolar extraction
,
Elastics: Klasse II
,
Elastics: Vertikal
Courtesy of Dr H. Sik Park, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 30
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 30 monate

Anzahl der Aligner

  • Maxillary: 35 + 43 + 27 = 105
  • Mandibulary: 35 + 43 + 33 = 111

Aligner Wear time

  • 1 woche

Retention

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

Results achieved

  • Klasse I-Relation erhalten
  • Funktionale Eckzahn-Führung auf beiden Seiten
  •  Kreuzbiss im Frontzahnbereich korrigiert
  • 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

Bemerkungen

  • By 4 premolar extractions, severe crowding had to be solved.
  • Deep bite and Curve were relieved by the intrusion of lower incisors and extrusion of premolars.
  • To overcome posterior open bite, we used up-down elastics.
  • Class II elastics were used for molar key correction
  • Conventional horizontal attachment was used for extraction space closure without tipping.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left

Fortschritt

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

Ausgangsposition Finale
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