Which is not a method of gaining space?

 # Which is not a method of gaining space?

A. Proximal stripping

B. Intrusion

C. Uprighting of molars

D. Derotation of posterior teeth

The correct answer is B. Intrusion.

 Space can be gained by:

A.  Non Extraction 

 Proximal stripping 

 Arch expansion 

 Molar teeth distalization 

 Uprighting of tilted teeth 

 Derotation of posterior teeth 

 Proclination of anterior teeth

B. Extraction 

 Balancing extractions 

 Compensating extractions 

 Phased extractions 

 Enforced extractions 

 Wilkinson extractions 

 Therapeutic extractions

C. Surgical 

 Orthognathic surgery 

 Distraction osteogenesis

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