Stage 3(2 weeks preoperative) – Custom-made subperiosteal
implants manufacturing
The implants were manufactured by a direct metal laser sintering using
EOSINT M 280 machine. It specifically produces top-quality metal parts
on the premise of three-dimensional CAD information – completely
naturally, in only a couple of hours, and with no require for other
devices (4).
The system is alternatively prepared with a strong state laser of either
200 or 400 watts. This laser gives an outstandingly highquality
radiation and stable execution. The Laser Power Monitoring (LPM) makes
it conceivable to control all this during the building process. Beside
an optimized Gas Management System this ensures ideal and steady
handling conditions for highest and consistent part building qualities.
The system works in both protective nitrogen and argon environments.
This allows the system to process a wide range of materials: from light
metals to stainless and tooling steel to super alloys. The plates were
polished on the surface that contacts soft tissue. The surface that
contacts bone was left rough (4).
To ensure a very smooth process of the surgical stage and to provide the
clinician with all the necessary tools, the implants were delivered by
the manufacturing company within a complete box full of the needed
accessories for our procedure [Fig. 9(a)] (9):
1) a 3D printed polymer model useful for the clinician to establish the
outline of the flap elevation which must be 3 – 4 mm away from the
outline of the implant design;
2) sterilized 3D printed implant;
3) fixation screw driver with handle and fixation screws;
4) healing caps;
5) prosthetic components for overdenture restoration/prosthetic
components for screw retained restoration as transfer abutments,
connection abutments, analogs;
6) demineralized bone matrix ready to use withourt hydration or mixing;