How Severe Bone Loss and Bite Dysfunction Were Rebuilt with All-on-6 Implants and a Milled Zirconia Hybrid Prosthesis

A fully digital All-on-6 reconstruction with a milled zirconia hybrid prosthesis

Comprehensive full-arch implant reconstruction in Washington, DC combining a sophisticated surgical process with a fully digital workflow and a milled zirconia hybrid prosthesis on a titanium bar. This documented case at Elite Prosthetic Dentistry rebuilt both arches with All-on-6 implant support carrying the practice’s Masterpiece prosthesis. Treatment was planned, surgically performed, and completed by Dr. Gerald Marlin, D.M.D., M.S.D., a prosthodontist focused on complex implant reconstruction.

When severe bone loss, advanced periodontal disease, and bite dysfunction reach the point where the existing dentition cannot be salvaged in any predictable way, full-arch implant reconstruction becomes the most reliable path back to function and esthetics. The decisions that follow are about how many implants, what material, and which workflow. Those choices determine how the case will perform a decade out, not just a year out.

This case was rebuilt at the high end of those decisions. All-on-6 implant support in both arches. Fully digital prosthetic planning. Milled zirconia on a titanium bar. In-house laboratory control over every step.

The presenting condition

The patient presented with the kind of structural breakdown that no longer responds to repair. The decisions in front of the practice were not whether to rebuild, but how to rebuild in a way that would still perform a decade out.

The staged surgical approach

To achieve the most predictable long-term result with implants in a situation this severe, with active periodontal abscesses and extensive bone loss throughout both the upper and lower jaws, the treatment had to be carried out in stages rather than in a single procedure. With that degree of infection and bone destruction, placing immediate-load implants in a one-stage All-on-4 or All-on-6 protocol would have been far less reliable than first rebuilding the supporting bone. Extracting every tooth at once, grafting the empty sockets, and seating immediate dentures was equally unwise, because the pressure those appliances place on healing graft sites tends to compromise the very bone the implants would later depend on.

Instead, Dr. Marlin retained a few strategically chosen teeth in each arch to support treatment partial dentures with replacement teeth. That kept the patient in function and appearance while the graft sites healed without being loaded. Ridge augmentation rebuilt the deficient bone, and the grafting was successful enough that the regenerated ridge had to be reshaped to leave room for a well-fitting prosthesis.

Once the foundation was sound, six implants were placed in the upper arch and five in the lower, and load-bearing transitional prostheses were connected to them immediately, re-establishing a solid bite and a rejuvenated smile line in a single stage of placement. Four months later, after the implants had fully integrated, the final milled zirconia prostheses were fabricated and delivered.

Why All-on-6 over All-on-4

All-on-4 and All-on-6 refer to the number of implants supporting a full-arch fixed prosthesis. All-on-6 provides additional implant support distributed across the arch, which becomes the preferred configuration in cases with significant bone loss, heavy bite forces, or more complex prosthetic designs.

For this case, the bone deficit and the dysfunctional bite both argued for the extra support. All-on-6 in both arches gave the new prosthesis the structural foundation it needed to deliver long-term function under load.

The digital treatment plan

This case was rebuilt at the high end of the decisions that define a full-arch reconstruction: All-on-6 implant support in both arches, fully digital prosthetic planning, milled zirconia on a titanium bar, and in-house laboratory control over every step.

Why milled zirconia on titanium

The material choice matters at this level of case. The combination of milled zirconia and a titanium bar delivers strength, precision, and natural esthetics in proportions that acrylic-only prostheses cannot match.

The titanium bar provides the structural backbone. Milled zirconia provides the wear resistance, the precise fit, and the long-term esthetic stability. The combination tends to outperform acrylic-only full-arch prostheses on every dimension that matters for a case meant to function for many years.

The work was completed under the practice’s in-house laboratory control. That keeps the shade selection, contour decisions, and occlusal precision under the same roof as the clinical planning, which is one of the reasons cases at this level perform the way they do.

The outcome

The case moved from severe bone loss, advanced periodontal failure, and bite dysfunction to a strong, precise, and naturally esthetic full-arch implant restoration. Function is restored. The smile looks natural. The prosthetic design is built to last.

A documented long-term follow-up

One of the values of a case like this is what it shows over time. The follow-up image below was taken months after the final prosthesis was delivered. It documents the stability of the result.

Who this case may sound familiar to

This story tends to resonate with patients in a few recognizable situations:

• Your existing teeth are failing across both arches and you have been told that preserving them piece by piece is no longer realistic.
• You have been considering full-arch implant reconstruction and want to understand the material choices that determine long-term performance.
• You want the kind of digital workflow and in-house laboratory control that high-end full-arch cases require.
• You have been quoted on All-on-4 and want to understand whether All-on-6 would be a better fit for your specific bone and bite.
• You want the work done once at the right level rather than redone several years later.

If any of those describe where you are, a consultation with Dr. Marlin can give you the diagnostic picture and the specific options for your case.

Frequently asked questions

What is the difference between All-on-4 and All-on-6 implant reconstruction?

All-on-4 and All-on-6 refer to the number of implants supporting a full-arch fixed prosthesis. All-on-6 provides additional support, which is preferred in cases with severe bone loss, heavy bite forces, or more complex prosthetic designs. The right choice depends on the available bone and the case-specific functional and esthetic requirements.

Why use milled zirconia on a titanium bar rather than acrylic for a full-arch prosthesis?

Milled zirconia mounted on a titanium bar combines exceptional strength with a natural appearance and precise fit. The titanium bar provides structural support; the milled zirconia provides esthetics and wear resistance. This combination tends to outperform acrylic-only prostheses in long-term durability and esthetic stability.

How does an in-house dental laboratory change the outcome of a full-arch case?

An in-house laboratory keeps fit, shade, contour, and occlusal precision under the same roof as the clinical planning. Communication between the prosthodontist and the laboratory technician is direct, adjustments are immediate, and quality control sits with one team. The result is better-fitting prostheses with more refined esthetics.

Can severe bone loss and bite dysfunction be corrected together in one coordinated plan?

Yes. A coordinated plan addresses the bone deficit through grafting where required, restores the bite through implant placement and a properly designed prosthesis, and corrects function and esthetics together rather than in sequence. This is the prosthodontic approach to comprehensive full-arch cases.

What is the difference between a hybrid prosthesis and a traditional denture?

A traditional denture rests on the gums and is removable. A hybrid prosthesis is fixed to dental implants and remains in place. The fixed connection to implants restores chewing function comparable to natural teeth, eliminates the slippage and bone-loss issues associated with conventional dentures, and is removed only by a dental professional for maintenance.

More about the work behind this case

This case combines full mouth dental implants using the All-on-6 configuration, full mouth reconstruction principles, and the practice’s in-house laboratory control over the final prosthesis.

Elite Prosthetic Dentistry treats patients from across the DMV including Bethesda, Chevy Chase, McLean, Arlington, Potomac, and Great Falls.