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JOURNAL CLUB
INDIAN DENTAL ACADEMY
Leader in continuing dental education
www.indiandentalacademy.com

www.indiandentalacad...
“ LOWER INCISOR RETRACTION
WITH A MODIFIED
CORTICOTOMY “

AO 2006,76(6);880-88
www.indiandentalacademy.com
INTRODUCTION






SURGERY – combined for better ortho
Tx
CORTICOTOMY
RAP
AOO

www.indiandentalacademy.com
CORTICOTOMY


“ Surgical removal of alveo bone “
OR
Osteotomy of the cortical bon



It distract the bone – growth of ne...
Review of literature






1950 Periodontists - rate of OTM
1959 Kole – 1st labial & palatal
corticotomy
1990 Dr.Wilck...
CORTICOTOMY IN
ORTHODONTICS
Alternative to ortho Tx
 FASTER, less side effects & pt
compliance
 Moving blocks of bone
 ...
INDICATIONS / USES :


Non-growing / Old / faster ortho Tx

www.indiandentalacademy.com








Retraction- Class II div 1, bimax
Spacing, rotation
Intrusion (AOB)
Ankylossis
Teeth with narrow cortical b...
Advantages
rate of OTM – Tx time
 Avoid adverse effects of ortho Tx :
 No gingival/PDL damage
 Root resorption
 Loss o...
Conventional :
 Both B-L cuts


2 stage surgery

Modified :
 LABIAL- only no
lingual V & sub apical
H/Z cuts
 Conserva...
www.indiandentalacademy.com
www.indiandentalacademy.com
www.indiandentalacademy.com
AIM
“ Rapid & effective modified alveolar
corticotomy-facilitated ortho Tx of an
adult case with severe malocclusion A CAS...
www.indiandentalacademy.com
www.indiandentalacademy.com
Tx objectives:
Tx plan :
 X of al 4s-maxi anchorage
 Segmental canine retraction-at end
accelaration by – corticotomyfac...




Pre op –
OPG,OCCLUSAL
Retraction-0.016 x
0.022 S.S with T
loop-1wk b4

www.indiandentalacademy.com
SURGERY :
 0.5mm S.S bur,
1.5-2mm depth,
2-3mm below
apices

www.indiandentalacademy.com





Immediate consolidation
3 wks- Dec OJ, Xn space closed
LI retraction - 1.5 mos
No problems of vascularity/vitalit...
Results




Correction of pt
problem list
Tx completion – 16
mos

www.indiandentalacademy.com
www.indiandentalacademy.com
Conclusion








Effective alternative Tx – adults,sevre
malocclusion, the Tx time (50%)
Beneficial- in difficult su...
Thank you
For more details please visit
www.indiandentalacademy.co
m

www.indiandentalacademy.com
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Jc irf /certified fixed orthodontic courses by Indian dental academy

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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.

Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078

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Jc irf /certified fixed orthodontic courses by Indian dental academy

  1. 1. JOURNAL CLUB INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  2. 2. “ LOWER INCISOR RETRACTION WITH A MODIFIED CORTICOTOMY “ AO 2006,76(6);880-88 www.indiandentalacademy.com
  3. 3. INTRODUCTION     SURGERY – combined for better ortho Tx CORTICOTOMY RAP AOO www.indiandentalacademy.com
  4. 4. CORTICOTOMY  “ Surgical removal of alveo bone “ OR Osteotomy of the cortical bon  It distract the bone – growth of new bone  Moving group of teeth with alveo processspongiosa intact www.indiandentalacademy.com
  5. 5. Review of literature     1950 Periodontists - rate of OTM 1959 Kole – 1st labial & palatal corticotomy 1990 Dr.Wilcko: AOO - (CT scan) mineralisation of alveolar bone – responsible for OTM 2001 chung et al- ant retraction in bimax www.indiandentalacademy.com
  6. 6. CORTICOTOMY IN ORTHODONTICS Alternative to ortho Tx  FASTER, less side effects & pt compliance  Moving blocks of bone  ORTHO Tx TIME – resistance of the dense cortical bone to OTM is removed  www.indiandentalacademy.com
  7. 7. INDICATIONS / USES :  Non-growing / Old / faster ortho Tx www.indiandentalacademy.com
  8. 8.        Retraction- Class II div 1, bimax Spacing, rotation Intrusion (AOB) Ankylossis Teeth with narrow cortical bone TSALD T/S constricted maxillae www.indiandentalacademy.com
  9. 9. Advantages rate of OTM – Tx time  Avoid adverse effects of ortho Tx :  No gingival/PDL damage  Root resorption  Loss of vitality of teeth/bone  Conservative surgery  No retention problems & tongue functions – after Tx  www.indiandentalacademy.com
  10. 10. Conventional :  Both B-L cuts  2 stage surgery Modified :  LABIAL- only no lingual V & sub apical H/Z cuts  Conservative – 1stge Less time & pt discomfort  Corticotomy sitemobilised www.indiandentalacademy.com
  11. 11. www.indiandentalacademy.com
  12. 12. www.indiandentalacademy.com
  13. 13. www.indiandentalacademy.com
  14. 14. AIM “ Rapid & effective modified alveolar corticotomy-facilitated ortho Tx of an adult case with severe malocclusion A CASE REPORT “ www.indiandentalacademy.com
  15. 15. www.indiandentalacademy.com
  16. 16. www.indiandentalacademy.com
  17. 17. Tx objectives: Tx plan :  X of al 4s-maxi anchorage  Segmental canine retraction-at end accelaration by – corticotomyfacilitated incisor retraction www.indiandentalacademy.com
  18. 18.   Pre op – OPG,OCCLUSAL Retraction-0.016 x 0.022 S.S with T loop-1wk b4 www.indiandentalacademy.com
  19. 19. SURGERY :  0.5mm S.S bur, 1.5-2mm depth, 2-3mm below apices www.indiandentalacademy.com
  20. 20.     Immediate consolidation 3 wks- Dec OJ, Xn space closed LI retraction - 1.5 mos No problems of vascularity/vitality/root resoption/gingival www.indiandentalacademy.com
  21. 21. Results   Correction of pt problem list Tx completion – 16 mos www.indiandentalacademy.com
  22. 22. www.indiandentalacademy.com
  23. 23. Conclusion     Effective alternative Tx – adults,sevre malocclusion, the Tx time (50%) Beneficial- in difficult surgical lingual accessibility Modified CORTI- coservative, less time & pt discomfort, cost effective Risk of tissue damageteeth,bone,PDL www.indiandentalacademy.com
  24. 24. Thank you For more details please visit www.indiandentalacademy.co m www.indiandentalacademy.com

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