Kliniczna skuteczność leczenia aparatem Invisalign® z zastosowaniem cotygodniowej zmiany nakładek: opis dwóch przypadków
3. Second Invisalign® treatment phase
The second and final treatment phase started when the lower first premolar was fully extruded and was conducted to complete the en-masse retraction of the upper incisors and the alignment of the lower canines and incisors.
Treatment details
Total treatment time – 54 weeks
- The orthodontic traction of the impacted lower-right first premolar tooth lasted for 6 months.
- Number of aligners – 32 + 18.
- The patient was instructed to wear the aligner for at least 21 hours per day.
- For this patient, the first two stages were prescribed for longer wear time with close monitoring to assess tooth tracking and patient compliance. From the third aligner, a regimen of weekly aligner changes was adopted.
Attachments
- Rectangular and horizontal attachments were bonded to the upper molars and the lower second molars. Rectangular and vertical attachments were bonded to the upper canines and the lower first molars
- Optimised attachments were located on the premolars and the lower canines
- In Phase 2, conventional and optimised attachments were [...]
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