Klasse III
,
Kreuzbiss im Seitenzahnbereich
,
Anteriorer Kreuzbiss
,
Open bite
,
Asymmetrische Zahnbögen
,
Maxilläre Mittellinien-Abweichung
,
Mandibuläre Mittellinien-Abweichung
,
Mittellinienverschiebung
,
Rotationen
,
Lückenstand
,
Diastema

Distalisation
,
Mesialisation
,
 Nivellierung der Spee-Kurve
,
Extrusion
,
Intrusion
,
Expansion
,
Retraktion
,
Proklination
,
ASR
,
Lückenschließung
,
Vor der OP
,
Elastics: Klasse II
,
Elastics: Klasse III
Courtesy of Dr. B. Wang, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 20
  • Gender: male
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 18 monate

Anzahl der Aligner

  • Maxillary: 39 + 16 = 55
  • Mandibulary: 39 + 16 = 55

Aligner Wear time

  • 1 woche

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Klasse I-Relation erzielt
  • Funktionale Eckzahn-Führung auf beiden Seiten
  •  Kreuzbiss im Frontzahnbereich korrigiert
  • Posteriorer Kreuzbiss korrigiert
  • Normaler Overjet und Overbite erzielt
  • Deutliche Verbesserung des Overjet
  • Mittellinien symmetrisch
  • Richtige axiale Schneidezahninklination
  • Curve of Spee leveled
  • Zahnbögen begradigt und koordiniert
  • Alignment beider Zahnbögen durch De-Rotation
  • Zahnbogenform verbessert
  • Ästhetische Lachlinie wurde erzielt  
  • Alle Behandlungsziele wurden erreicht für den Fall
  • Harmonie der Zahnbögen wurde erzielt

Bemerkungen

  • Pre-surgical orthodontic treatment, upper and lower dental arch shape coordination, retract upper anterior teeth for sagittal decompensation with existed spacing and upper posterior teeth distalization.
  • Crown labial torque combined with root lingual torque was used for lower anterior teeth for sagittal decompensation with the help of power ridge design in order to prevent gingival recession, fenestration, and dehiscence during orthodontic treatment.
  • IPR was carried out to correct Bolton discrepancy in the upper and lower anterior region, lower premolar extrusion combined with anterior teeth intrusion to help level Curve of Spee, move the upper dental midline to coincide with facial midline, and move the lower dental midline to coincide with the middle of the mandible, impacted 8s were all extracted before pre-surgical orthodontics
  • Le fort I osteotomy was carried out for maxilla advancement, Bilateral sagittal split osteotomy was carried out for mandible setback and derotation.
  • Post-surgical orthodontic treatment for stabilizing maxilla, mandible relationship, and position as well as detailing the final occlusions.

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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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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