Bone can be induced to grow at surgically created sites by the method called:

 # Bone can be induced to grow at surgically created sites by the method called:

A. Osteogenesis

B. Distraction osteogenesis

C. Bone wax

D. Green stick fracture

The correct answer is B. Distraction osteogenesis.

• Distraction osteogenesis is the method of inducing bone to grow at surgically created sites. 

• Russian Surgeon Ilizarov discovered in 1950's that if cuts were made through the cortex of a long bone of the limbs, the arm or leg then could be lengthened by tension to separate bony segments. 

• Currently it is believed that best results are obtained if this type of distraction starts after a few days of initial healing and callus formation and if the segments are separated at a rate of 0.5 - 1.5 mm/day. 

• Also this technique is employed for lengthening of mandible and inducing maxillary growth by separating cranial and facial bone at their sutures.