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Video Details
Advanced Bone Grafting Techniques: Part 1 - Autogenous Bone Blocks in the Reconstruction of the Atrophic Mandibular Ridge

Description:
This lecture will describe the use of autologous onlay block bone grafting for reconstruction of moderate to severe atrophic posterior mandibular alveolar ridge. This will include a discussion of the various options to this form of grafting, such as Short implants, Lingual positioning, nerve repositioning, distraction osteogenesis, and GBR. The Mutli-Tier onlay Bone Graft Technique will be highlighted in this presentation. Additionally, a review of a recently submitted research paper of long term follow up of implants placed into autologous bone blocks harvested from the mandibular ramus, retromolar and sympheseal areas will be discussed. A description of surgical donor harvest sites in the mandible will also be performed as well as post op healing of these sites. Additional time will be spent reviewing causes of failure with bone blocks and implants placed into these sites.

Date Added:
4/9/2014

Author(s):

Devorah Schwartz-Arad, DMD, PhD Devorah Schwartz-Arad, DMD, PhD

Devorah Schwartz-Arad, DMD, PhD

A specialist in Oral and Maxillofacial Surgery (OMS), Ph.D. degree in cancer research, anatomy and embryology...
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Online Videos / Surgery / Bone Grafting / Advanced Bone Grafting Techniques: Part 1 - Autogenous Bone Blocks in the Reconstruction of the Atrophic Mandibular Ridge




Questions & Comments
Gerald Rudick - (5/29/2015 2:15 PM)

Excellent presentation......interesting to know that donor sites can be revisited, making it unnecessary to seek extraoral sites that pose potential harmful after effects...... i.e.problems walking because of interfering with the hip.
Gerry Rudick dds Montreal

Juan Alberto Ruiz - (4/18/2014 2:52 PM)

Really nice, instructive and very well explained. Congratulation.

Rodolfo Quezada - (4/14/2014 10:07 AM)

Thanks very much for share your knowledge! Please i would like to know if in the donnor site it is only bone graft or you use a barrier Membrane Also? I Mean for Hoping the second time for revisited block graft as a donnor site. It Was a great video! Greetings.

Devorah Schwartz-Arad - (4/12/2014 9:11 AM)

To my personal experience, the use of bovine bone substitute such as Bio-Oss, to fill defects of the harvested donor site and gaps between autologous bone grafts and the recipient bed, is beneficial over allografts as a "filling" material. The fact that the resorption time of the bovine material is very long and the matrix desired form is kept for the long-run are the main characteristics that make this material beneficial. Nevertheless, I believe that the combined therapies including autologous bone grafts with bone substitutes and progenitor cells (PRP or Bone Marrow or other growth factors), are the main contributing factors for a successful augmentation treatment. Whereas agents on the market exhibit some of the properties and have proven themselves to have some benefits as regenerative agents, there are no agents available to date, that are predictable in their response or that achieve sufficient regeneration. The combining treatments may offer greater efficacy than single therapies. I foresee in the future the development of enhanced factors as add-ons to bone substitutes that will enable better, faster and predictable bone growth and healing. I do expect that those add-ons factors will be integrated with bone substitute to become a simple combined therapy. A more appealing future treatment solution, will be to grow externally autologous natural bone from small samples in different size and shapes. Stay tuned to my next lectures on Reconstruction of atrophied Maxilla and A Step by Step onlay bone gratf procedure. Further recommended reading: 1. Schwartz-Arad D, Toti P, Levin L, Laviv A, Guidetti F, Sbordone L. A comparative volumetric study of symphysis donor defects, unfilled or filled with bone substitute. Clin Implant Dent Relat Res. 2013 Oct;15(5):684-91. 2. Mardinger O, Chaushu G, Sigalov S, Herzberg R, Shlomi B, Schwartz-Arad D. Factors affecting changes in sinus graft height between and above the placed implants. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2011 3. Schwartz-Arad D, Levin L. Symphysis revisited: clinical and histologic evaluation of newly formed bone and reharvesting potential of previously used symphysial donor sites for onlay bone grafting. J Periodontol. 2009 May;80(5):865-9. 4. Schwartz-Arad D, Levin L. Multitier technique for bone augmentation using intraoral autogenous bone blocks. Implant Dent. 2007 Mar;16(1):5-12. 5. Schwartz-Arad D, Levin L. Intraoral onlay bone grafts for implant site preparation. Pract Proced Aesthet Dent. 2006 Jun;18(5):suppl 10. 6. Schwartz-Arad D, Levin L, Sigal L. Surgical success of intraoral autogenous block onlay bone grafting for alveolar ridge augmentation. Implant Dent. 2005 Jun;14(2):131-8. 7. Schwartz-Arad D, Levin L. Intraoral autogenous block onlay bone grafting for extensive reconstruction of atrophic maxillary alveolar ridges. J Periodontol. 2005 Apr;76(4):636-41.

enrique vera - (4/9/2014 10:56 PM)

Amazing lectura... best regards

Carlos Sánchez - (4/9/2014 7:38 PM)

Excellent conference... It was very productive to my diary work... Congratulations... I hope the 2nd and 3th part soon

Maurice Salama - (4/9/2014 2:51 PM)

Outstanding educational and informative presentation. What are your thoughts on the future of Bone Grafting and Technology? thanks Maurice

Barry Rimmer - (4/9/2014 2:47 PM)

Excellent webinar-could I ask why not use either deminerailised bone or irradiated cancellous bone instead if bio oss for haevested sites and have you any experience with botiss premade ct block grafts?

Arshad Hasan - (4/9/2014 2:02 PM)

Very nice and informative presentation.

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This lecture will describe the use of autologous onlay block bone grafting for reconstruction of moderate to severe atrophic posterior mandibular alveolar ridge. This will include a discussion of the various options to this form of grafting, such as Short implants, Lingual positioning, nerve re-positioning, distraction osteogenesis, and GBR. The Mutli-Tier onlay Bone Graft Technique will be highlighted in this presentation. Additionally, a review of a recently submitted research paper of long term follow up of implants placed into autologous bone blocks harvested from the mandibular ramus, retromolar and sympheseal areas will be discussed. A description of surgical donor harvest sites in the mandible will also be performed as well as post op healing of these sites. Additional time will be spent reviewing causes of failure with bone blocks and implants placed into these sites.

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