ZIRMAX M: Implant Supported Fixed Prosthesis

mm Written by Andrew Sedler

ZIRMAX M – Implant Supported Fixed Prosthesis

One of the most successful treatment options for patients seeking solutions for their edentulism is a full-arch implant-supported prosthesis. Clinicians who seek the best esthetics for their patients often choose zirconia screw-retained bridges. The zirconia screw-retained bridges are fabricated using CAD/CAM technology and, along with offering an excellent option for esthetics, offers many other benefits as well. 

Issues Facing Edentulous Patients

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There are many issues facing edentulous patients, including problems with self-esteem, difficulties chewing, and pain and discomfort. Additionally, missing teeth can have a number of life-altering consequences, including bone loss, coronary diseases, diabetes, and cancer.

Implant-supported fixed dental prostheses are one of the best options for combating these ailments as well as providing the following health benefits:

  • They help support healthy bone structure.
  • They provide the patient with a comfortable solution.
  • These restorations give support to the gums.
  • They help to improve the patient’s ability to chew.

Whenever we help to restore these cases, Burbank Dental Lab understands that we help to improve a patient’s quality of life by restoring their form and function. To partner with the clinicians we support, we developed a proprietary material for our zirconia hybrid implant-supported restorations – ZIRMAX M.

Advantages of ZIRMAX M Restorations

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There are a number of benefits to these types of restorations. A vital feature of this bridge is its easy retrievability. Patients who need regular maintenance or professional cleaning may benefit from an easily retrievable restoration. In addition, zirconia resists plaque, making good oral hygiene and healthy implants easier.

The CAD/CAM design of these restorations helps to eliminate the possibilities of casting distortions found in other types of restorative options. The manufacturing technique of these restorations makes them precision-fitting appliances.

ZIRMAX M hybrid implant-supported restorations offer these additional benefits:

  • Flexural strength of up to 1200 MPa to help with cases exhibiting heavy occlusal loads. 
  • After insertion, these restorations feel very similar to natural teeth.
  • The material’s durability prevents it from fracturing or chipping. 
  • The material is easy to customize 
  • Extremely esthetic option
  • Easy to insert and retrieve.

The ability for these restorations to offer all of the excellent benefits available relies heavily on the expertise of the laboratory in designing the final restoration. 

2022 Burbank Dental Lab Fee Schedule

The ZIRMAX M Workflow

1. Evaluate and Plan

There is a lot of complexity involved in edentulous cases, and they need to be planned properly. A lack of proper planning makes it difficult to achieve the desired results. The desired outcome can be determined by starting with the end in mind. When evaluating the initial situation, it is crucial to consider the following:

  • Examine any issues related to facial esthetics and bone loss.
  • Analyze the vertical opening.
  • Examine the smile line.

It can be helpful to have a surgical guide to assist in determining the best placement for an implant. From a variety of workflows, Burbank Dental Lab’s guided surgery appliances provide a precise fit. During dental implant surgery, this appliance will ensure the implants are positioned correctly.

Request a free laminated Success Guide by Burbank Dental Lab
2. Fabrication Process
ZIRMAX M: Implant Supported Fixed Prosthesis
  1. Take an impression at the implant level, including the palate and tissue.
  2. A bite block with screw-retained temporary cylinders is created. It is tried-in at the second appointment.
  3. With the bite block tried in, the jaw relationship is recorded.
  4. Take impressions of opposing dentition.
  5. Duplicate the patient’s current denture to use as a study model.
  6. Both tooth and tissue shades can be selected. Specify other issues, such as the shape of the teeth.
  7. Using the information from the previous step, a wax setup try-in is conducted.
  8. With wax set up in place, evaluate the following and make any necessary changes:
  • Esthetics
  • Phonetics
  • Centric relation
  • The vertical dimension of occlusion
  • The midline
  • The verification jig is an excellent way to ensure a passive fit.
  • The final impression should be taken.
  • Prosthesis trials can be conducted using a PMMA provisional. This temporary can be worn by the patient while the final restoration is being made so that feedback can be obtained.

Zirconia frameworks provide precise contours for porcelain layering if needed. Ideally, at this stage, the framework should be tried-in, and new bite registration is taken. Upon confirmation of fit, porcelain is layered over the bridge, glazed, and hand-finished.

3. Inserting the Zirconia Prosthesis
ZIRMAX M: Implant Supported Fixed Prosthesis

When placing the bridge, the first step is to remove the healing caps. To properly remove the healing caps, a torque wrench can be used initially to loosen them then a screwdriver is used to remove each one completely. There is no particular order in which these healing caps should be removed. After the healing caps are removed, the following steps should be used to insert the bridge:

  • To insert the bridge, align it evenly with the implants.
  • Insert the screws and tighten them after the bridge is evenly seated.
  • Torque the screws.
4. Insertion Steps for Multi-Unit Abutments
ZIRMAX M: Implant Supported Fixed Prosthesis

In implant cases where a correction is needed due to an angulation issue, a multi-unit abutment is needed. These multi-unit abutments can successfully correct angulation issues of the implants. They are used when the screw access hole placement is angled toward the facial. The use of the multi-unit abutment redirects the access hole to the lingual. The following steps should be used when utilizing multi-unit abutments:

  1. Pick and choose the correct cuff height and angle of the Multi-unit abutments to bring the screw access hole for the prosthesis to the optimal angle.
  2. Follow standard full arch impression taking modality.
  3. Install the bridge on top of the multi-unit abutments by lightly screwing down all screws of the bridge following a criss-cross pattern.
  4. In order to hold the bridge properly in place, torque all the screws until they are in their proper positions. (See above image)
  5. Adjust the occlusion as necessary at this point.
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Your Partner

We know how to restore edentulous teeth at Burbank Dental Lab, one of the most experienced dental labs in the country. Our commitment to becoming a true partner to the customers we serve drives us to improve our workflow methods, experiment with new technologies, and test them to meet the needs of our customers.

To get help with your next implant-supported fixed prosthesis, click the blue icon along the bottom right-hand corner or call (800) 336-3053.

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Fabrication
of the future
is here!

Burbank Dental Lab has three new state-of-the-art Carbon M2 printers. We are very excited about the options that these cutting-edge printers will allow us to offer our dental clients. Here are some of the advantages that these printers will begin to deliver to you and your dental practice.

Our New
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Carbon offers a highly dependable 3D manufacturing solution for many dental applications with its breakthrough Digital Light Synthesis™ technology, enabled by a wide range of dental materials.