Clinical Versatility with the Densah Burs

Osseodensification Clinical Protocols

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Ridge Expansion Protocol with Modified Ridge Split

Osseodensification will not create the tissue, it may only optimize and preserve what already exists. There is a need for ≥ 2 mm of trabecular-bone core and ≥ 1/1 trabecular/cortical bone ratio to achieve a predictable plastic expansion. The more cortical bone there is, the more trabecular core is needed to facilitate predictable expansion. The ideal minimum ridge to expand is 4 mm (2 mm trabecular core + 1mm cortex on each side). This protocol is indicated to expand a ridge with a narrow crest and wider base. It is not indicated in resorbed ridge with a narrow base.

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* Data on file, versah.com/our-science/ for Ridge Expansion studies

Densah Sinus Lift Protocol I

Use Densah® Burs in full step increments. For example: 2.0, 3.0, 4.0, 5.0.

Measure bone height to sinus floor.

Take pilot drill to 1 mm below the sinus floor.

Densah® Bur (2.0) in OD mode (CCW) to sinus floor.

Enter the sinus with Densah® Bur (3.0) in OD mode (CCW) in 1 mm increments to a maximum level of 3 mm past the sinus floor.

Densah® Bur (4.0), (5.0) in OD mode (CCW) to maximum level of 3 mm past the sinus floor if needed.

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* Data on file, versah.com/our-science/ for Maxillary Sinus Graft studies

Densah Sinus Lift Protocol II

Use Densah® Burs in full step increments. For example: 2.0, 3.0, 4.0, 5.0.

Measure bone height to sinus floor.

Take Densah® Bur (2.0) in OD mode (CCW) to sinus floor.

Enter the sinus with Densah® Bur (3.0) in OD mode (CCW) in 1 mm increments to a maximum level of 3 mm past the sinus floor.

Densah® Bur (4.0), (5.0) in OD mode (CCW) up to 3 mm past the sinus floor if needed.

Use the last Densah® Bur in low speed with no irrigation to gently propel well hydrated allograft.

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* Data on file, versah.com/our-science/ for Maxillary Sinus Graft studies

Densah Sinus Lift Protocol III

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Osseodensification Level I

Advanced Osseodensification Level II

Immediate Implant Placement Protocol

Implant Stability must be mainly providd by the apical portion of the socket.

Atraumatic tooth extraction with no or minimal flap reflection.

Implant diameter to be slightly wider than the tooth apex.

Final Densah® Bur diameter to be ≥ apical diameter of the apex.

Use a well hydrated allograft (cancellous/cortical) to fill the socket.

Use Densah® Bur that is one step smaller than the last one used to prepare the osteotomy, to compact the allograft.

Implant stability must be mainly achieved by the apical portion of the extraction socket.

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* Data on file, versah.com/our-science/ for Immediate Implant Placement studies

Molar Septum Expansion Protocol

Separate molar roots at the furcation without compromising the integrity of the septum. Implant placement should be either at the crest or sub-crest level. Fill the gap with a bone graft material if needed; preferably an allograft with a 70/30 cancellous/cortical ratio.

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* Data on file, versah.com/our-science/ for Molar Septum Expansion studies

Combined Molar Septum Expansion/Densah Lift

Indicated for upper molar sites with a minimum of 4mm wide septum

Utilize CBCT imaging to measure ridge width and distance to the sinus floor.

Flapless atrumatic tooth extraction with minimum trauma to preserve septum.

Osseodensification instrumentation using Densah Burs in CCW (800-1500 rpm) to expand the septum and lift the sinus membrane simultaneously.

Implant Placement.

Graft the socket around the implant with the appropriate bone graft materials.

Seal the socket with a large/wide healing abutment.

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* Data on file, versah.com/our-science/ for Molar Septum and Maxillary Sinus Graft studies

Guided Expansion Graft: 2-Stage Augmentation Protocol

For cases with initial ridge width of < 3.0mm. Graft the newly formed socket with a 70/30 cancellous/cortical combination allograft. Allow healing for 3-6 month, re-enter the site to prepare for implant placement using Osseodensification with the Densah® Burs.

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* Data on file, versah.com/our-science/ for Guided Expansion Graft studies

Guided Surgery Protocol with Osseodensification

The Versah® C-Guide® Guided surgery is an innovative system that allows for adequate irrigation, proper visualization of the osteotomy expansion/preparation, freedom to luxate the Densah Bur® and the ability to manage multiple sites with different preparation depths and diameter with precision.

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* Data on file, versah.com/our-science/ for Guided Surgery studies

Intra-Maxillary Intra/Extra Sinus Zygoma Protocol I/II

The anterior maxillary wall is slightly more concave. The pathway is totally intra-maxillary with an intra/extra-sinus approach. A tunnel osteotomy is created through the alveolar crest, into the sinus internal lateral wall, to slightly come out through that lateral wall and then re-enter again as a second tunnel osteotomy into the sinus to come out through the body of the zygoma.

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* Data on file, versah.com/our-science/ for Zygomatic Implant studies

Intra-Maxillary Extra Sinus Zygoma Protocol III

In these cases the anterior maxillary wall is very concave.The pathway is intra-maxillary with a totally extra sinus path. A tunnel osteotomy is created through the alveolar crest to come out into the external maxillary wall and then re-enter again as a second tunnel osteotomy into the body of the zygoma to come out through the superolateral aspect of the body of the zygoma. Between the two tunnel osteotomies the maxillary wall is very concave and therefore, there is no groove/channel osteotomy between the two tunnel osteotomies i.e. the middle part of the implant body would not touch the most concave part of the wall.

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* Data on file, versah.com/our-science/ for Zygomatic Implant studies

Extra-Maxillary Extra Sinus Zygoma Protocol IV

This ZGO protocol IV follows an extra-maxillary path.

The maxilla and alveolar bone show extreme vertical and horizontal atrophy. The pathway is extra-maxillary with totally extra sinus path. The implant head is located buccal to the alveolar crest usually in a shallow “channel” osteotomy. Most of the zygomatic implant body has an extra sinus/extra-maxillary path. The coronal part of the zygomatic implant is extra-maxillary usually in a “channel” osteotomy whereas the apical part of the implant is surrounded by bone in a “tunnel” osteotomy in the zygomatic bone. The zygomatic implant contacts bone in the zygomatic bone and part of the external lateral sinus wall.

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* Data on file, versah.com/our-science/ for Zygomatic Implant studies

IDR Technique Protocol I

Indicated in cases with poor-quality soft tissue due to fracture and infection in post-extraction sockets in combination with severe bone loss. IDR I Protocol will be introducing a new perspective to manage these compromised sockets using flapless surgery in a simple way based on biological response.

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* Data on file, versah.com/our-science/ for studies

IDR Technique Protocol II

Indicated in cases with total loss of buccal wall in combination with thin periodontal biotype or gingival recession. IDR II Protocol will explain how to manage compromised sockets with low or no remaining bone in combination with immediate implant placement, bone reconstruction and provisional fabrication in a single procedure using a combination of bone and soft tissue graft harvested from maxillary tuberosity.

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* Data on file, versah.com/our-science/ for studies

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10018 REV18 Last Updated: 07/26/2022