Dentalmaxilofacial Deformities Dept of Oral Maxillofacial Surgery School of Stomatology LI Qing-yun
Dental-maxillofacial Deformities Dept. of Oral & Maxillofacial Surgery School of Stomatology LI Qing-yun
Phase i Presurgical treatment Orthodontics Surgical plan Phase ii Surgical treatment Mandible · Maxilla Phase lli Postsurgical treatment Orthodontics restorative/prosthetic treatment follow-up
Phase I Presurgical treatment • Orthodontics • Surgical plan Phase II Surgical treatment • Mandible • Maxilla Phase III Postsurgical treatment • Orthodontics • restorative/prosthetic treatment • follow-up
Presurgical Treatment phase Presurgical orthodontics Final surgical planning
Presurgical Treatment Phase ▪ Presurgical orthodontics ▪ Final surgical planning
Objectives--Presurgical orthodontics Decompensation dental compensation for skeletal deformity angulation of teeth accentuate the deformity 的
Objectives —— Presurgical orthodontics ✓ Decompensation dental compensation for skeletal deformity angulation of teeth accentuate the deformity
Objectives--Presurgical orthodontics Alignment of the arches Compatibility of the arches
Objectives —— Presurgical orthodontics ✓ Alignment of the arches ✓ Compatibility of the arches
Final Surgical planning Visual Treatment Objective, VTO
Final Surgical Planning ✓ Visual Treatment Objective, VTO
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Final Surgical Planning ✓ Computerized imaging CASSOS
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PLANNING REPORT Key cephalometric Analysis for planning Sur gical Plan Mar-31-1999 Pre OP no orth nit PreOP Simulate Transl ate: X-C7mm. Y.s. 3mm 1. SNA 1,1 Patient Name :eo Sex Ante rior M axilla f wunderer 40.1 ! Transl ate: x=03 mm. Y=22 mm Rotate: 44 5. L1-MD Plane 96.3 RamUs (BSSONSSOX Hospital N Transl abe: X=, 4 mm, Ya 3.7 mm Rotate:1.2 Report Time/D ate 14: 13 Jul 12, 2000 Planning Report (Plan) 8. Zero Meridian to Pog mm 1? Data source 11. ve rtical Lip-Chin Ratio 47.6 12. Angle of PP. MD Plane Horizontal Hane: Frankfort Plane Scale: 0.801