Full-mouth screw-retained rehabilitation on multi-unit abutments with guided surgery
Peer-reviewed case report (Case Reports in Dentistry, 2020; open access, CC-BY). A 59-year-old patient had all failing teeth extracted and 16 SGS Dental implants placed immediately with fully guided templates: P7 in the maxilla (flapless) and P1 in the mandible. Multi-unit abutments were chosen and torqued during surgery and never removed afterwards. Provisionals were screwed on 4 hours after surgery. Final monolithic zirconia full-arch prostheses were made from 3 months, with follow-up and CBCT at 12 months.
Images and case data: Ashurko I, Trofimov A, Tarasenko S, Mekhtieva S. Case Reports in Dentistry, 2020, Article ID 3585169. Published under the Creative Commons Attribution License (CC BY 4.0). Images resized for the web.
Step by step
- Digital planning from CBCT and scanned models; positioning and fully guided surgical templates
- Extraction of all failed teeth
- 8 P7 implants in the maxilla (flapless) and 8 P1 implants in the mandible, all above 50 Ncm
- Multi-unit abutments selected and installed intraoperatively (25 Ncm)
- Open-tray impressions at multi-unit level; provisionals fixed 4 hours after surgery
- 2 monthssecond provisionals in centric relation
- 3 monthsfinal impressions; CAD design (exoCAD) and monolithic zirconia full-arch prostheses
- Follow-up at 1, 3, 6 and 12 months with CBCT at 12 months
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