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Mobilization of impacted teeth in the digital age: a technical note.
Quintessence International (Berlin, Germany : 1985)
|June 18, 2025
Summary
Digital planning with 3D printed guides and custom attachments precisely positions orthodontic appliances for impacted canine exposure. This approach minimizes surgical time and ensures accurate force vectors for controlled tooth movement, preventing side effects.
Area of Science:
- Orthodontics
- Oral Surgery
- Digital Dentistry
- Biomaterials
Background:
- Tooth mobilization, especially for impacted canines, presents orthodontic challenges.
- Inadequate surgical-orthodontic communication and poor understanding of surgical topography can lead to incorrect appliance placement and harmful force vectors.
- Digital planning and custom tools offer a solution to minimize errors in complex orthodontic treatments.
Purpose of the Study:
- To evaluate the efficacy of 3D planned cutting guides and custom attachments in treating impacted canines.
- To assess the precision of appliance positioning and its impact on force vector control during orthodontic treatment.
Main Methods:
- Cone-beam computed tomography (CBCT) and intraoral scans were used for digital planning.
- Customized cutting guides and attachment dummies were designed using CAD software and fabricated via 3D printing.
- Titanium custom attachments were manufactured using selective laser melting.
- Surgical exposure of impacted teeth was performed using the guides and dummies, followed by conventional cementation of the custom attachments.
Main Results:
- Cutting guides facilitated successful and efficient surgical exposure of impacted teeth.
- Customized attachments were precisely positioned according to the digital treatment plan.
- The use of digital planning and custom tools ensured accurate placement of orthodontic attachments.
Conclusions:
- 3D planned cutting guides streamline surgical procedures and minimize surgical field size.
- 3D planned custom attachments enable highly accurate and predictable positioning.
- Digitally planned force vectors can prevent adverse effects on adjacent teeth and facilitate targeted tooth movement, though further validation is required.
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