Munich Splint Concept: Occlusal Splints using CAD/CAM (Digital Dentistry)

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Innovative CAD/CAM Concepts

Using CAD/CAM technologies to explore new innovative paths in (digital) dentistry.

CAD/CAM technologies enable us to present modern and innovative concepts in functional, aesthetic and digital dentistry. This allows us to plan treatments more comprehensively and to demonstrate them visually for better understanding. The CAD/CAM technology offers a better overview in the planning and execution of the therapy. Standardized work processes can prove to be profitable for everyone involved. These advantages are demonstrated by the Munich splint concept (milled polycarbonate CAD/CAM dental splint). This innovative CAD/CAM process creates an important step forward in the preliminary negotiation of complex prosthetic cases.

Dental prosthetics innovation

Occlusal Splints - Analytic wax-up

The analytical wax-up is used in the context of backward planning to reconstruct function and aesthetics.

The Munich splint concept is always preceded by a functional and aesthetic assessment based on an analytical dental wax-up/mock-up. Thus, the occlusal splint(s) are fabricated on the basis of a classical or virtual wax-up and correspond closely to the later restorations in terms of function and esthetics. This evaluation phase represents an essential step for both the patient and the treatment team.

The Munich splint concept is primarily intended to clinically test a newly defined static and dynamic occlusion.

Article: Pretreatment concepts for a new vertical dimension of occlusion .

Dental restoration Technology

Digital Dentistry - Scanning the Casts

CAD construction of the splints

In the dental laboratory, the master models of the initial situation and the duplicate models of the analytical wax-up are created using super hard plaster and subsequently scanned.

Dental prosthetics Training - the munich splint concept

CAD/CAM - The Munich Splint concept

Innovative CAD/CAM dental treatments accompanied by a patient story's: Coming soon.

The scanned models are positioned in the virtual articulator relative to the skull.


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Dental prosthetics Training

CAD/CAM based construction of occlusal splints

Positioning of the CAD constructions in the milling blank and calculation of the tool passes by CAM software

In the first step of CAD construction, the “preparation limits” are defined for each tooth of the two jaws, which determine the length of the splint in cervical direction.

For better control, the original diagnostic model can be loaded as a “general visualization” model at this point. This will feature a semi- transparent representation of the “thermoforming material model” that clearly highlights the exact contours of the gingival margin.

 

CAD/CAM training Munich

CAM - Dental Milling

Milling strategies and the corresponding tools are defined. The process is carried out without the use of water.

The company Zirkonzahn has developed a single-edged milling cutter designed specifically for the machining of flexible high-performance polymers. Its geometric shape and surface structure prevent it from smearing with synthetic materials, thus allowing efficient, safe and precise machining of these materials. After calculating the milling paths and creating the NC files, the splints were manufactured on the 5-axis-CNC-milling-machine Zirkonzahn M5.

Dental Restoration Munich

Aesthetic color individualization

Slight individualization of the splints with Optiglaze Color

By modifying the front tooth area of the upper jaw using stains (Optiglaze Color), among others, a very satisfactory situation for the patient has been created.

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Training for dentists and dental technicians in Munich

Digital dentistry:
The Munich splint concept
Prof. Dr. Daniel Edelhoff
PD Dr. Jan-Frederik Güth
M.Sc. Josef Schweiger

Get to know the advantages of the Munich CAD/CAM splint concept as part of a team. The emphasis here is on the precise coordination of laboratory and clinical steps in a tested strategy to solve complex cases.

Based on patient cases, the course offers a synchronized STEP-BY-STEP procedure for the practice and the laboratory with a special focus on “hands-on“.

Münchner Schiene, Otto Prandtner, rezotto production

Important details: Speech-pathology

Redefining the occlusal plane location through evaluation, diagnosis and treatment of functional disorders

Speech and voice disorders as well as swallowing disorders play an important role in the diagnosis and treatment of the new occlusal plane.

The occlusal plane location affects speech, masticatory function, smile aesthetics and comfortable neuro-musculature therefore, we need a test drive.

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Important details: Test run on telescopes

Test run on existing telescopic crowns

In the present case, function and aesthetics were evaluated based on existing primary telescopes. Due to phonetic and functional limitations, the position of the occlusal plane was redefined in a patient-friendly approach using a milled polycarbonate CAD/CAM splint after removal of the existing removable denture.

The polycarbonate splint is a simple and reliable tool for a functional and esthetic assessment of the expected restorations.