Case Study: Computer guided planning
Implants 45, 46, 47
Digital data collection:
CBCT + Optical scan of plaster models
CBCT taken with open bite
Optical scan of plaster models taken in closed occlusion
Virtual set-up of teeth in accordance with occlusal relationship
Virtual set-up of teeth in accordance with occlusal relationship
Synchronization of model scan to dicom
Prosthetic orientated implant planning
Implant 45
3.25mm x 13mmL
Crown height 11.53mm
Abutment 15 degree
Cement retained solution
Surgical digital analysis
Implant 45
Average surrounding bone density to implant D3 (Misch Scale)
Apex of implant 1.8mm lingual to mandibular nerve canal
Prosthetic orientated implant planning
Implant 47, 46 4.2 x 8mmL Straight abutments
Surgical digital analysis
Implants 47,46
Average surrounding bone density to implant D3 (Misch Scale)
Surgical guide design
Drilling Protocol example – 20mm length drills – wide DGS
Surgical Phase – Elevation of flap & reduction of crest of ridge - area 45
Verification of seating of guide
Surgical Phase – Creating the initial osteotomy with short pilot drill
Verification of seating of guide
Completion of the drilling protocol – implants 47,46
X-ray verification
Philip Segal graduated from the Manchester Dental Hospital UK gaining a diploma with distinction in Dental technology. From 1980 to 1999 he was a partner in a leading dental laboratory in Tel Aviv specializing in the field of cad/cam & aesthetic dentistry. From 1997 he served as a consultant for NobelBiocare -Israel, offering training & education to clinicians and dental technicians on Procera cad/cam technologies and All-on-4 technique. Since 2005 he has dedicated his time exclusively to the field of computer-guided surgery functioning as a mentor and instructor for NobelGuide, SIMPLANT & 3Shape Implant Studio softwares. He has played a leading role in offering planning services and 3d treatment proposals with the aid of computer-guided software and has given many lectures and courses both nationally & internationally, illustrating the use of 3D diagnostics, treatment planning & CAD/CAM technologies.
Philip Segal MDTDigital CAD/CAM Manager 