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Application of computer technology in complex facial deformities
- 1. Application of computer technologyin complex facial deformities Dr. Emmanuel Azariah MDS FIBOMS FIBCSOMS Associate Professor, Faculty of Dental Sciences, Sri Ramachandra Institute of Higher Education and Research
- 2. Maxillofacial Imaging • nowany MDCT data set can be converted to a 3D image • the pixels in between the two slices is calculated by the software algorithm. • so thinner the slice less calculation or computers imagination • less than 1mm is ideal • images should be acquired in DICOM (Digital Imaging and Communications in Medicine)
- 3. Complex Facial Deformities • Asymmetries •condylar problems • syndromes
- 4. Computer Aided Surgery- CAS • Virtual Models - Physical Models • Surgical Simulation - creating a treatment plan • Creating Splints, cutting Guides, implant designs • Navigational Surgery
- 5. CFD - UnilateralAnkylosis case of Unilateral Ankylosis Ankylosis release twice No reconstruction of Ramus condyle Unit at surgery complaints of Facial Symmetry NO LEFT RAMUS CONDYLE UNIT
- 8. Treatment Plan • LefortI , BSSRO, Genioplasty • ? Left Proximal Segment control without Condyle reconstruction. • Patient weary to extensive procedures • Plan B
- 12. courtesy : Dr.Pramod Subash, Amrita Institute
- 13. Treatment Plan Cutting Guidesfor resection of Ankylosis cutting guides for osteotomies Custom Joint Prosthesis Screw lengths for various regions
- 15. Tooth Supported Splints or BoneSupported • CT Data does not give accurate tooth morphology • additional data of dentition • IO Scans, Dental Models scanned. • additional armamentarium • additional cost • same errors possible.
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- 23. ck: Precise osteotomiesfor ….. Robin sequence using virtual surgical planning. Int. J. Oral Maxillofac. Surg. 2018; 47: 35– 43. ã
- 24. cost involved clinicaluse Virtual Model to Physical Model free - 50K understanding the pathology patient education OSIRIX DDS-Pro Inorbitec Simulation $ 20-30 per model can be used for planning proposed movement DDS-Pro 6-10 Lakhs Soft tissue prediction and splint fabrication Nemo Ceph Proplan CMF Patient Specific Implants 30+ Lakhs Design PSI Mimics Innovation Suite Navigation Surgery Precise Surgical execution of Planned Procedures Stryker Brainlabs
- 25. CAS • Precision insurgery • Reduction in surgical time • Predictable Surgical Results • There is a cost involved
- 26.