ACCELEDENT CASE REPORT S. Jay Bowman, DMD, MSD Kalamazoo Orthodontics Portage, MI
BASELINE - MARCH 2012 START 6 MM MINISCREWS
HORSESHOE JET - PURE SKELETAL ANCHORAGE NO ANCHORAGE LOSS POSSIBLE 1 2 6 mm screws; 240 gram springs Compress springs @ 4 Week Intervals 3 4 Super Class I Molars Mx Braces Added
4/10/2012-1 MONTHS 3/28/12 TREATMENT START - IMPRESSION FOR HORSESHOE JET MN BUTTERFLY SYSTEM PRE-ADJUSTED APPLIANCES PLACED 4/10/12 ACCELEDENT DELIVERED 4/10/12 INSERTION OF HORSESHOE JET AND MINISCREWS I m always astounded to hear that you can t put braces on lower anteriors with a deep overbite: you need a bite plane. What are lower brackets but also a bite plane? Patient had no broken braces during course of treatment. No upper braces during distalization - no contribution to anchorage - hygiene - esthetics 6 mm screws.016 Niti >.022 slot
5/18/2012-1.7 MONTHS ACCELEDENT COMPLIANCE WEEK: 4/7 (57%) MONTH: 22/30 (73%) Mn Irregularity Resolved - Aligned to 17x25 NITI @ 1.7 mos.
6/22/2012-3 MONTHS ACCELEDENT COMPLIANCE WEEK: 4/7 (57%) MONTH: 22/30 (73%) MX SPACES OPENING MN LEVELING START Mn 17x25 SS @ 3 mos.
8/16/2012-5 MONTHS ACCELEDENT COMPLIANCE WEEK: 5/7 (71%) MONTH: 18/30 (60%) Note: typical transposition of miniscrews relative to 2nd premolars START SUBJECTIVE: Could have called distalization "good enough", but wanted to ensure complete molar correction. NOTE: Mn Was Leveled to Accept 19X25 S.S. @ 4 mos. (7/30/12)
9/25/2012-6 MONTHS ACCELEDENT COMPLIANCE WEEK: 6/7 (85%) MONTH: 20.5/30 (68%) DISTALIZATION COMPLETE 168 DAYS 5.6 MO OF DISTALIZATION 6 MO IN TREATMENT START Mn19x25 SS - Horseshoe Jet Locked Mx Braces Next Visit
ACCELEDENT COMPLIANCE WEEK: 6/7 (85%) MONTH: 20.5/30 (68%) DISTALIZATION COMPLETE 168 DAYS 5.6 MO OF DISTALIZATION 6 MO IN TREATMENT START
ACCELEDENT COMPLIANCE WEEK: 6/7 (85%) MONTH: 20.5/30 (68%) DISTALIZATION COMPLETE 168 DAYS 5.6 MO OF DISTALIZATION 6 MO IN TREATMENT DISTALIZED
COMPARATIVE ANALYSIS COMPARISONS AMONG VARIOUS DISTALIZING METHODS INVESTIGATOR APPLIANCE DISTALIZATION TIPPING MONTHS RATE TOTAL TX CHIU Distal Jet 3.4 3.8 10.5 0.32 28 (degrees) (mm/mo) (time) BURKHARDT Pendulum 6.5 32 CHIU Pendulum 6.1 10.7 7 0.87 31 CAPRIOGLIO Pendulum 5.2 9.7 8 0.65 27 CAPRIOGLIO Fast-Back 4.2 2.2 9 0.47 29 ESCOBAR TAD/Pendulum 6 11.3 7.8 0.77 KINZINGER TAD/Distal Jet 3.9 3 6.7 0.58 CALI Frog 2.6 4.4 7.5 0.34 34 CALI Distal Jet 3.6 4.7 7.3 0.5 27 BAUMGARTNER Distal Jet 30 BAUMGARTNER Horseshoe Jet 29 CASE REPORT Horseshoe/ AcceleDent 5 13 cantilever but no anchorage loss 5.6 0.9 16 Caution is warranted when comparing the results from an anecdotal case report
10/31/2012-7 MONTHS MAXILLARY SPACE CLOSURE/RETRACTION SUPPORTED BY MINISCREWS 7 MO MX BRACES PLACED START 7 Mo Mx Braces Placed
2/18/2012-10.5 MONTHS ACCELEDENT COMPLIANCE WEEK: 2/7 (28%) MONTH: 11/30 (36%) START Space Closed / Retraction Complete / 2nd Molars Banded Horseshoe Jet & Miniscrews Removed
4/10/2013-12.5 MONTHS ACCELEDENT COMPLIANCE WEEK: 4/7 (57%) MONTH: 20/30 (66%) DISTALIZATION COMPLETE 168 DAYS 5.6 MO OF DISTALIZATION 6 MO IN TREATMENT START Finishing & Detailing / Continued treatment for 3 more months. SUBJECTIVE: Could have called this "finished" but continued to ensure best results.
BRACES REMOVED & POSITIONER DELIVERED START: 3/28/12 FINISH: 7/19/13 Full-step Class II Division 1 Mild Crowding Significant Overjet 2nd Molars Erupted; 3rd Molars Present Significant Curve of Spee Chew Positioner 24/7 for for one week then retainer impressions Chew Positioner 2-3 hours in p.m. and wear to bed for one week
FINAL RECORD - JULY 2013 FINISH
Pre-treatment Post-treatment
PRE-TREATMENT PANORAMIC X-RAY POST-TREATMENT PANORAMIC X-RAY No root resorption noted or impaction of 3rd molars Favorable leveling & root paralleling 478 days 16 mo 16 visits