Kliniczna skuteczność leczenia aparatem Invisalign® z zastosowaniem cotygodniowej zmiany nakładek: opis dwóch przypadków
Attachments
- Attachments were bonded prior to scans on teeth 13, 23, 33, 34, 35, 43, 44, 45
- Vertical rectangular attachments were bonded on teeth 13 and 23, hooks for Class II elastics were also placed on the gingival region of these teeth. In patients with hooks on canines, we also bond attachments on these teeth to avoid undesired rotations or angulations due to the elastic force – In the lower arch, the patient had horizontal ellipsoid/bevelled shaped attachments to secure anchorage on the lower premolars and canines for intrusion and alignment of the lower anteriors.
Interproximal reduction
- Interproximal reduction was performed during the first phase on the upper-right and lower anteriors, as well as on the upper anteriors in the second phase to aid alignment.
- Use of auxiliaries – Class II elastics from hooks on the upper canines to buttons on the lower molars (36, 46). The patient was instructed to wear elastics at night, and for 2-3 hours during the day for anchorage during the distalization in the upper arch.
Retention
- After two phases of Invisalign® treatment, retention was ensured with a removable retainer in the upper arch for [...]
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