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1. Typologie Bjork

2. Non-extraction Orthodontic therapy
Part 2
Dr M. ABOUELNASER

3. Non-extraction Orthodontic therapy
• 1-Transverse Control, Expansion
• 2-Sagittal Control, Reduction of overjet.
• 3- Levelling of the curve of Spee on the proclination of
mandibular incisors and expansion of dental arches
• 4-Molar distalization
• 5-Stripping: Reduction of proximal enamel.
• 6-Vertical Control: Unblocking of mandibular growth.

4. Non-extraction Orthodontic therapy
Transverse Control
Expansion-
Dr. Greenfield orthofree.com
Gingival recession-Stabilty ?

5. Non-extraction Orthodontic therapy
Transverse Control
Expansion
Quadhelix Rapid Palatal Expander (RPE)

6. 2-Sagittal Control- Overjet reduction
Functional appliance
Early treatment , Bone Growth Stimulation, stop growing
Benefits of early treatment stimulate mandibular growth and blockageof maxilla, reduce
overjet and treatment without extraction.
O.SANDID

7. 2-Sagittal Control- Overjet reduction
Intermaxillary Class II elastics
Frankel functional regulator
O.SANDID

8. 2-Sagittal Control- Overjet reduction
Intermaxillary Class II elastics- Cooperation
Intermaxillary Class II elastics
O.SANDID

9. Impacted Maxillary Canine
cooperation

10. Molars distalization
Maxillary canine impaction
O.SANDID

11. Facial Mask- Cooperation
O.SANDID

12. Vertical Control
Unlocking growth of mandible
BEFORE AFTER
O.SANDID

13. Levelling of the curve of Spee on the proclination of
mandibular incisors and expansion of dental arches

14. Levelling of the curve of Spee on the proclination of
mandibular incisors and expansion of dental arches
Respect angulation of lower incisors on mand plane (Tweed triangle)

15. Levelling of the curve of Spee by the proclination of
mandibular incisors and expansion of dental arches
http://simpliclearpro.com

16. Molar distalization- Cooperation
Headgear Mini-implant
Pendulum Lip Bumper

17. Tooth Stripping" - interproximal reduction

18. Correction Oral Habits
swallowing pattern
Swallowing Pattern
Finger Sucking
Mouth breathing

19. Extractions Contreversies in
Orthodontics
Part 3: Choice of teeth for extraction.
M. ABOUELNASER

20. CHOICE OF TEETH FOR EXTRACTION
• 1st Upper Premolar Extraction
• Extraction of two lower premolars
• Extraction of 4 premolars
• Lower incisor extraction
• First molars extractions
• Wisdom teeth extractions
• Tooth impaction Extraction
Unfavorable position

21. Choice of teeth for extraction.
Vu Orthodontics
1st Upper Premolar Extraction in Orthodontics- 51%