Year : 2018

Volume : Volume 9

Issue : Issue 2

Address for correspondence :
Dr. Dhwani Ranveria.
dhwaniranveria@gmail.com

Abstract

Background:  Long term success of dental implant is primarily depend on the available bone.Severely resorbed alveolar ridge in aesthetic zone of maxilla can compromise the successful implant placement and aesthetic outcome. This study reports a case of severely deficient maxillary alveolar ridge being only 1.7 mm of bone width and implant site requires a hard tissue base foundation.To fulfill this requirement, mandibular symphysis block bone is used to improve bone width. After 6 months of the graft surgery 2.3 mm gain in bone width was noticed, implant was placed. Significant amounts of autogenous bone can be procured from symphysis region of the mandible. The cortical grafts of this area provide predictable increase in bone volume with a short healing time and yield a highly dense osseous architecture for implant placement. Block bone grafts harvested from the symphysis can be used for predictable bone augmentation up to 6 mm in horizontal and vertical dimensions. The range of this corticocancellous graft thickness is 3 to 11 mm with most sites providing 5 to 8 mm. Then density of the grafts is D-1 or D-2 and up to a three-tooth edentulous site can be grafted. This case report reveals the use and applicability of mandibular symphysis block bone to augment a horizontally deficient maxillary ridge for single dental implant placement.

Keywords: Bone, graft, atrophy, mandible, dental implant.