Osseo News Logo

The Original Dental Implant Community

Sign In

Irradiated human bone for block graft on narrow ridge: thoughts?

Last Updated: Feb 06, 2014

I would be interested in readers views on the use of irradiated human bone from a bone bank as an onlay block graft to augment a narrow ridge in the upper incisor region prior to implant installation. The ridge has an acceptable height but is too thin buccopalatally for conventional implant installation without a significant chance of failure. The plan is to onlay two bone blocks, fix them with screws and cover with a resorbable membrane. Is it likely that irradiated bone will create a suitable site for implant installation? I only have experience of placing autologous grafts in such situations. Thanks for any feedback.

3 Comments on Irradiated human bone for block graft on narrow ridge: thoughts?

ahmed sharkawy

02/11/2014

i used onlay blocks from rocky mountain tissue bank in restoring upper anterior narrow ridges for implant placement and covered with collagen membranes, they showed good results in comparison with autogenous blocks, repid resorption but the remaining is enough for implant placement

Gerald Rudick

02/11/2014

What you are describing is a proven technique for widening an edentulous ridge, using bone blocks obtained from a legitimate tissue bank. Bear in mind that before attempting to screw on the blocks, you must decorticate the recipient site, drill a series of small holes into it to promote angiogenesis, and relieve your mucoperiosteal flap so that you will be able to stretch and approximate the soft tissues together when suturing. It is a good idea to use L-PRF from centrifuging the patient's blood, compressing the clots to form fibrin membranes and the exudate obtained from the pressing process, can be used as a wetting agent for the particulate biomaterials you will use as a filling agent around the blocks. It is important to have a tension free closure, and to check the patient's cholesterol level to make sure he/she is healthy enough for the procedure. In the Sept/October 2013 issue of Implant News & Views I published an article on using PRF and how you can use this technique inexpensively by obtaining a sterilizable excellent quality garlic press from Ikea to press the Fibrin clots....good luck, and leave it in place for at least six months before attempting implants. Dr. Gerald Rudick AF AAID; F,D,P ICOI

gary OMFS

02/12/2014

Is it a cortical/ cancelous or corticocancellous graft? I'm also very interested in this technique. Inevitably healing time will be longer, but how much? Especially in cortical grafts.

Featured Products

DALI Bone Mix

DALI Bone Mix

The highest quality tissue!

Classic

Classic 50/50 Mix

Promotes osteoconduction

Provides structural integrity

DALI Bone Syringe

DALI Bone Syringe

Prefilled Mineralized Cortico-Cancellous Bone in Syringe

New

Convenient Syringe!

50/50 Cortical/Cancellous

Available in 3 sizes.

Osteogen Plug

Osteogen Plug

Combines bone graft with a collagen plug.

Classic

Eliminate hassle of mixing particulate grafts

Sold in packs of 5 or packs of 10.

Proven safe, and clinically effective

OsseoSeal Flexible Membrane

OsseoSeal Flexible Membrane

Resorbable collagen membrane derived from purified porcine pericardium

Popular

Fast hydration and excellent tensile strength

Good adaptation to various defects

Excellent tear function and duration

DALI One Graft

DALI One Graft

One-Step grafting solution!

New

100% allograft

Eliminates mixing hassle

Moldable after hydration