Virtual Implant Treatment Planning Using the Existing Denture With Metal Frameworks as a Radiographic Guide: A Technique Note

Initial condition of existing dentures. a: Dentures before cleaning; b: Dentures after cleaning; c: Maxillary removable partial denture (RPD); d: Mandibular complete denture.

Fabrication of markers using radiopaque and flowable composite resin. a: Process of adding markers; b: Maxillary RPD with markers; c: Mandibular complete denture with markers; d: Dentures with markers.

CBCT images with strong artifacts.

Digital casts of dentures with markers. a: Maxillary; b: Mandibular; c: Digital casts and CBCT scan misrepresented by artifacts; d: Selecting fiducial markers for alignment; e: Digital casts aligned to CBCT scan; f: Coincidence of CBCT scan with contours of digital casts evaluated.

Virtual implant placement. a: Maxillary; b: Mandibular. Digital design of surgical guides. c: Maxillary; d: Mandibular.

Removal of markers using a dental explorer. a: Process of removing markers; b: Surface of denture after removal of markers.