"All-on-four" immediate-function concept for completely edentulous mandible
"All-on-four" immediate-function concept for completely edentulous mandible
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preoperative viewinitial x-rayThe CT scanning template is the principal key to the system because it permits the transfer of the predetermined prosthetic setup to the actual implant planning.
The scanning template was fabricated using acrylic and barium sulfate as the radiopaque material from the patient’s existing dentures or previously fabricated diagnostic waxing procedures.prosthetic setup
The CT data for this patient was imported to the planning software (Stent Cad, Media Lab. Software, La Spezia, Italy) for implant placement on the 3D model.surgical setupPlanning snapshots....The use of flapless implant surgery with mucosa-supported stereolithographic (SLA) guide.a provisional temporary acrylic teeth bridge being placed.
This pliable material helps to absorb certain forces and pressures that would otherwise transfer to the dental implants and possibly jeopardize successful integration of the dental implantsIncreasing the anterior-posterior distance (A-P Spread) so that the cantilevers can be better supportedPlanning vs. Post operative view and x-rayThe results support the conclusion that use of the All-on-4 immediate-function implant concept in completely edentulous mandibles is viable in the long term. (J Am Dent Assoc. 2011 Mar;142(3):310-20.)All on 4 is a cost effective, advanced technique whereby a whole arch of teeth is supported by only 4 implants.
This treatment concept may be considered as a good option for oral rehabilitation in edentulous patients.
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