1. M. KATAN PRETREATMENT RECORDS

2. The patient is a twelve year old female with a significant anteroposterior discrepancy (ANB of 10 degrees), a Class II occlusion and marked facial imbalance. Note the “gingival smile”.

3. M. Katen

7. FMIA50 FMA25 IMPA105 SNA93 SNB83 ANB10 AO BO7mm OCC8 Z53 UL10mm TC9mm PFH44mm AFH58mm M. Katen Pretreatment

8. CRANIAL FACIAL ANALYSIS CEPH.DIFFICULTY NORMAL RANGEVALUEFACTORDIFF FMA 22°- 28°2550 ANB 1°- 5°101575 Z ANGLE 70°- 80°53234 OCC PLANE 8°-12°830 SNB 78°-82°8350 PFH-AFH.65-.75.7530 M. Katen C.F. DIFFICULTY TOTAL109

9. TOTAL SPACE ANALYSIS WEIGHTED ANTERIORVALUEDIFF TOOTH ARCH DISC.1.01.5 HEADFILM DISC.13.61 TOTAL 14.615.1 MID ARCH TOOTH ARCH DISC.01.00 CURVE OF SPEE2.01.02.0 TOTAL 2.0 OCCLUSAL DISHARMONY (CLASS II OR CLASS III) 8.02.016.0 M. Katen TOTAL18.0

10. TOTAL SPACE ANALYSIS DIFFICULTY POSTERIORFACTORDIFF TOOTH ARCH DISC. 14.57 (-) EXPECTED INC. 4.52 TOTAL 105 TOTAL S.A. S.A. DIFF ANTERIOR 14.615.1 MID ARCH 2.018.0 POSTERIOR 10.05.0 TOTAL 26.638.1 M. Katen

11. C.F. DIFFICULTY109.0 S.A. DIFFICULTY37.1 TOTAL DIFFICULTY146.1 M. Katen DIFFERENTIAL DIAGNOSIS AND CLINICAL ANALYSIS INDEX DIFFICULTY: MILD 0-60 MODERATE 60-120 SEVERE 120+

12. TREATMENT PLAN: Extract four first premolars and treat with sequential directional forces treatment.

13. M. Katen

24. FMIA66 FMA23 IMPA91 SNA88 SNB85 ANB3 AO BO2mm OCC7 Z75 UL13mm TC12mm PFH52mm AFH63mm M. Katen Posttreatment FMIA50 FMA25 IMPA105 SNA93 SNB83 ANB10 AO BO7mm OCC8 Z53 UL10mm TC9mm PFH44mm AFH58mm M. Katen Pretreatment

25. M. Katen Pretreatment Posttreatment

26. M. Katen

28. POSTTREATMENT: 1. Facial esthetics has been significantly improved. 2. The “gingival smile” has been corrected. 3. Due to vertical control, mandibular response, and tooth movement the occlusion has been corrected.