Classe II div 1, Surplomb accru, Rétrognathie mandibulaire, Deep bite, Arcades étroites, Décalage de la ligne médiane mandibulaire, Décalage des lignes médianes, Encombrement, Rotations, Espacement
Avancée mandibulaire
, Distalisation
, Mésialisation
, Nivellement de la courbe de Spee
, Égression
, Ingression
, Expansion
, Rétraction
, RIP
, Fermeture d'espace
, Élastiques : Classe II
, Elastics: Class II in Additional Aligners
Courtesy of Dr B. Wang,
2021
Treatment Summary
Patient Information
- Age: 10
- Gender: male
- Invisalign Submission Option: Invisalign Teen
Total Treatment Time
- 22 mois
Nombre d'aligners
- Maxillary: 44 + 39 = 83
- Mandibulary: 44 + 39 = 83
Aligner Wear time
- 1 semaine
Rétention
- Maxillary: Hawley
- Mandibular: Hawley
Results achieved
- Relation de Classe I obtenue
- Guidage fonctionnel des canines des deux côtés
- Surplomb normal et recouvrement obtenu
- Supraclusion améliorée
- Surplomb amélioré
- Amélioration significative du recouvrement
- Amélioration significative du surplomb
- Les axes médians coïncident
- Inclinaison axiale correcte des incisives
- Curve of Spee leveled
- Arcades alignées et coordonnées
- Alignement des deux arcades par le biais d'une dérotation
- Forme de l'arcade améliorée
- Ligne de sourire esthétique obtenue
- Cas dont les objectifs de traitement ont tous été atteints
- Obtention d’arcades harmonieuses
Commentaires
- Buccally upright the crown of upper posterior teeth to help correct narrow upper dental arch
- Spaces gained from upper dental expansion and upper molars distalization combined with pre-treatment upper dental space and leeway space were used to help retract labially proclined upper incisors
- Class II elasctics were used for mandibular advancement and upper posterior teeth distalization
- Lower premolars extrusion and incisors intrusion to help correct severe anterior deep overbite
- IPR was used for upper anterior teeth to help correct Bolton discrepancy in the upper and lower anterior region
- Upper incisors retraction and mandibular advancement to help correct severe anterior deep overjet
- Power ridge designs were used for lower anterior teeth to help prevent gingival recession, alveolar bone dehiscence, and fenestration during orthodontic treatment
- Waited with 15, 25, 45, 17, 27, 37, and 47 until eruption into dentition and all could be included in orthodontic treatment
- Extraction of the supernumerary tooth after orthodontic treatment completed
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