Diseased gum pocket with bony defect	Placement of membrane during procedure
	Initial bone regeneration	Final bone regeneration

During the regeneration procedure a biocompatible membrane is placed between the gum and bone which acts as a barrier in order to prevent the downgrowth of gum into the underlying bone as it heals. A bone graft may then be placed under the membrane to promote growth of the new bone.

Read More: Predictability of bone regeneration in treating periodontal disease.