<prompt> Which of the following treatment options are available for Divisionb boneModification into division A bone by augmentationUse of narrow diameter implantsModification to other division by osteoplastyAll of the above  <response>: Three treatment options are available for the Division B edentulous ridge: Modify the existing Division B ridge to another division by osteoplasty, to permit the placement of root-form implants 4 mm or greater in width. Insert a narrow Division B root-form implant. Modify the existing Division B bone into Division A by augmentation. 