Sponge strips are small, but will expand when reconstituted. See the picture here in the Questions and Answers section below
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The OSSIF-i sem sponge matrix strip is a natural collagen porous structure that is manufactured by demineralizing trabecular bone. The result is a pliable and resilient matrix that can be adapted to numerous clinical needs. The interconnecting porous architecture of natural collagen quickly becomes well vascularized following placement and acts as an osteoconductive and osteoinductive scaffold for bone formation.
OSSIF-i sem Demineralized Cancellous Sponge Strip Features and Benefits
OSSIF-i sem Demineralized Sponge Strip Before and After
Before and After from Dr Sam Lee using Ossif-i Demineralized Sponge Strip!
OSSIF-i sem Demineralized Sponge Strip Cases
All procedures performed by Dr. Kevin Frawley, DDS.
Pre-op (see case photos below)
Extraction/Graft (see case photos below)
The existing prosthesis was removed without complication. After reviewing CBCT data, it was clear that there was not enough buccal-lingual bone thickness for successful implant placement in site #30. A full thickness flap was elevated and CBCT measurements were confirmed. #31 was sectioned, atraumatically extracted, the socket cleaned with a serrated curette, and grafted with Surgical Esthetics OSSIF-i Mineralized Cancellous .25-1mm particulate allograft.
A PTFE membrane was sized and placed on the buccal of #30, ensuring coverage past the margin of the defect in all directions. Decortication potholes were made with a high-speed round carbide bur, with copious irrigation, on the buccal of site #30. Once bleeding was induced, a Surgical Esthetics OSSIF-i Demineralized Sponge Strip allograft (10x6x7mm) that had been hydrated with sterile water for 10 minutes, was placed into the buccal defect. No fixation screws or pins were used. Surgical Esthetics OSSIF-i Mineralized Cancellous .25-1mm particulate allograft was placed surrounding the sponge. The ePTFE membrane then covered the graft material, and was tucked under the lingual flap. Nylon 5-0 monofilament interrupted sutures secured the graft and membrane in place. A simultaneous root-coverage procedure was done on #29, using a bonded-suture technique. We chose not to get primary closure, to preserve the vestibule and maintain the amount of keratinized tissue. ePTFE membrane and sutures were removed after 1 month.
Implant (see case photos below)
Restorative (see case photos below)
Dr. Kevin Frawley, D.D.S. is an exceptional person and a professional dedicated to helping his patients create the smile they were meant to have. He practices in Beverly Hills with his son, Dr. Shawn Frawley and his daughter, Dr. Michele Frawley.
He received his undergraduate degree from UCLA with a B.S. in Biology in 1977. He enjoyed being a Bruin so much that he completed his dental degree at UCLA as well in 1981. After a year residency at the Veterans' Administration in Westwood, he established his private practice in cosmetic and implant dentistry in Beverly Hills. Dr. Frawley taught at the UCLA School of Dentistry for 15 years passing on his knowledge to the dentists of tomorrow.
Dr. Frawley is committed to the development of dentistry on all levels and is involved with both local and national dental associations. He is a member of the American Dental Association, California Dental Association and many other dental organizations. He is past president of the Beverly Hills Academy of Dentistry and past president of the Los Angeles Dental Society. Dr. Frawley served as a CDA delegate for over 25 years and as a trustee for the California Dental Association for 6 six years. Dr. Frawley also lectures nationally and internationally on bone grafting and implants. He teaches live surgical courses as well that enable practicing dentists to gain the experience they need to feel confident to begin placing implants.
Dr. Frawley is the Founder and CEO of Surgical Esthetics™, a regenerative material and education company.
|Questions and Answers|
In the majority of cases, you should cover the Ossif Sponge Strip with a membrane. However, the Ossif Sponge Strip has been used very successfully in the tunneling technique without a membrane. When you are using the Ossif Sponge Strip in a tunneling technique, then the periosteum acts as the membrane.
The main advantage of the OSSIF-i sem Demineralized Sponge Strip is that it holds space like a block but will not perforate a flap. If you are using it in a open flap technique, then it makes sense to add particulate around the sponge strip so you have a smooth, fully grafted area. You would also use the sponge strip where it would be difficult to "contain" particulate, i.e., where it would slump and disperse.
The main advantage of the OSSIF-i sem Demineralized Sponge Strip is that it holds space like a block but will not perforate a flap. So ultimately, you can make a minimal flap instead of making a huge vertical incision, because the strip is malleable and you can easily insert it. Please see this video for a demonstration of that technique for palatal defects: Implant Grafting Techniques: Demineralized Sponge Strip and Tunneling
In addition, the sponge strip has been used very successfully in a tunneling technique without a membrane. You might also use the sponge strip where it would be difficult to "contain" particulate, i.e. where it would slump and disperse. Finally, when used in conjunction with PRF or growth factor technique, the Ossif sponge strip helps promote osteoinductivity.
Please note that if you are using the sponge strip in a open flap technique it will make sense to add particulate around the strip, so you have a smooth, fully grafted area.
It should also be mentioned, that if you are not tenting up a membrane or are not creating space then the sponge strip is probably overkill.
Yes, the sponge strip should be reconstituted for approximately 5 - 30 minutes, and implanted as soon as possible after reconstitution. Please see the IFU linked to here for additional information. Please note that during reconstitution the strip will expand.
We currently sell the sponge strip in the: 10 (L) x 6 (W) X 7 (H) mm size. Below is a picture that shows the size. Please note that strips are manufactured in a way that makes them look a little flattened, but the sponge is supposed to be reconstituted anywhere from 5-30 minutes, and during this time it will expand to the dimensions on the package.
Remineralization is in 5 -12 months. However, this depends on the patient's health and the size of the defect.
Yes. The sponge strip is an excellent choice for an immediate implant placement case. It does a great job absorbing blood or PRF and creating a very stable biologic clot that will act as a scaffold for osteoblasts for replacement and formation of new bone around the implant.
Demineralized Sponge Strip Video
Video of Dr. Lee demonstrating the use cases for the Sponge Strip