Titanium disc 98 × 20 mm grade 5 (TC4) D.L.G
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Milaenium
Grade 5 titanium
Ti-6Al-4V / TC4
Ø 98 mm
Dental CAD/CAM
20 mm thickness
Milaenium Grade 5 titanium disc 98 x 20 mm – dental titanium disc for CAD/CAM milling
The Milaenium Grade 5 titanium disc 98 x 20 mm is a Ø 98 mm dental titanium disc designed for dental prosthetics laboratories producing technical metal restorations by CAD/CAM milling.
Its 20 mm thickness provides a significant vertical reserve for work requiring greater useful height: bridges, reinforced frameworks, custom abutments, implant bars and superstructures according to indications validated within the CAD/CAM workflow.
Ø 98 mm format
Disc compatible with suitable dental milling units
Grade 5 TC4
High-strength Ti-6Al-4V titanium alloy
20 mm thickness
Material reserve for higher structures
Titanium milling
Production under suitable liquid cooling
A 20 mm titanium disc for dental restorations requiring a high material reserve
The Milaenium Grade 5 titanium disc 98 x 20 mm is intended for laboratories that need a comfortable height for milled titanium metal restorations. It allows higher cases than intermediate thicknesses to be processed while retaining the Ø 98 mm format used in compatible CAD/CAM workflows.
This variant is particularly useful when the laboratory needs to produce larger prosthetic structures, secure sprue positioning, manage complex geometries or maintain sufficient vertical margin in the CAM software.
Grade 5 Ti-6Al-4V titanium offers a good balance between mechanical strength, stability, light weight and suitability for dental milling, provided it is processed with a titanium-compatible machine, suitable burs and effective coolant fluid.
Professional applications of the 98 x 20 mm disc
The Milaenium Grade 5 titanium disc 98 x 20 mm is intended for dental prosthetics laboratories looking for a comfortable thickness for more technical CAD/CAM work.
- Titanium-milled bridges with greater height.
- Reinforced metal frameworks intended for veneering.
- Custom abutments according to validated indications and protocols.
- Implant bars according to design and available height.
- Moderate to high implant superstructures.
- Technical prosthetic structures requiring a greater material reserve.
A thickness designed for larger cases
The 20 mm thickness provides greater vertical margin than 16 and 18 mm discs. It allows the dental technician to position high restorations, more secure sprues or parts whose milling orientation requires greater freedom with more confidence.
This height is relevant for laboratories that regularly mill implant structures, technical bridges or parts where available height becomes a determining parameter.
The choice of 20 mm must always be confirmed in the CAD/CAM software according to the actual height of the restoration, connector geometry, sprue position, available tools and milling unit limitations.
Grade 5 Ti-6Al-4V titanium: an alloy for loaded restorations
Grade 5 titanium, also known as Ti-6Al-4V or TC4, is a titanium alloy combining titanium, aluminium and vanadium. It is used when restorations require greater mechanical strength than the most common commercially pure titanium grades.
- High mechanical strength for technical dental structures.
- Good strength-to-weight ratio for milled prosthetic parts.
- Interesting rigidity for bridges, bars, abutments and frameworks.
- Compatibility with dental CAD/CAM workflows under a suitable protocol.
- Finishing possible according to the laboratory’s professional methods.
The potential of the material depends on the entire manufacturing workflow: CAD design, CAM strategy, bur quality, clamping stability, liquid cooling and finishing protocol.
Differences between titanium grades in dental prosthetics
Dental titanium can be offered in several grades. Commercially pure titanium grades are often selected for their ductility and corrosion resistance, while Grade 5 is preferred when the laboratory is looking for higher mechanical strength for loaded prosthetic structures.
| Grade | Family | Laboratory positioning |
|---|---|---|
| Grade 1 | Commercially pure titanium | Very ductile and softer, oriented toward uses where mechanical loading remains limited. |
| Grade 2 | Commercially pure titanium | Good overall balance for certain restorations or structures with lower mechanical loading. |
| Grade 4 | Reinforced pure titanium | Higher strength than lower pure grades, used in certain prosthetic and implant indications. |
| Grade 5 | Ti-6Al-4V alloy | High-strength alloy, relevant for technical and more heavily loaded dental structures. |
| Grade 5 ELI / Grade 23 | Ti-6Al-4V with enhanced purity | Version with reduced interstitial element content, used for demanding medical, implant and prosthetic applications. |
Why is Grade 5 relevant for a 20 mm thickness?
With a 20 mm thickness, the disc is intended for work that is often more technical than compact restorations. Parts may have greater height, more complex connectors, implant-related constraints or a geometry requiring a resistant material.
In this context, Grade 5 Ti-6Al-4V titanium provides useful mechanical strength for implant bars, custom abutments, technical bridges, reinforced frameworks and moderate to high superstructures.
This material must be combined with rigorous design: suitable cross-sections, correctly dimensioned connectors, coherent CAM strategy, milling under cooling and controlled finishing.
A material suited to milled implant restorations
Grade 5 is particularly relevant for laboratories wishing to produce strong metal structures in a professional dental CAD/CAM environment.
- Suitable for high restorations according to design.
- Relevant for bars, abutments, bridges and superstructures.
- Good balance between strength, light weight and stability.
- Compatible with dental milling units designed for titanium.
- Milling recommended under irrigation / liquid cooling.
The choice of Grade 5 must always remain consistent with the prosthetic indication, manufacturing recommendations and the protocol validated by the laboratory.
20 mm thickness: a comfortable height for implant and technical structures
The Milaenium Grade 5 titanium disc 98 x 20 mm offers a greater material reserve for cases where intermediate thicknesses may become limiting. It allows the laboratory to process higher parts, bars, abutments and superstructures requiring more available height.
| Thickness | Recommended use orientation |
|---|---|
| 10 to 12 mm | Compact restorations, crowns, single units and small frameworks. |
| 14 to 16 mm | Intermediate work, compact bridges, frameworks and moderate-height restorations. |
| 18 mm | Bridges, reinforced frameworks, abutments and moderate-height implant components. |
| 20 mm | Implant bars, custom abutments, technical bridges and superstructures requiring more useful height. |
| 22 to 25 mm | Large structures, complex cases and restorations requiring maximum vertical reserve. |
Selection of the 20 mm thickness must be validated in the CAD/CAM software according to the actual height of the part, milling orientation, sprue positioning and equipment limitations.
Milling recommendations for the 98 x 20 mm titanium disc
The Grade 5 titanium disc 98 x 20 mm must be milled on a machine compatible with titanium, with a suitable Ø 98 mm holder, dedicated burs and a CAM strategy specific to the Ti-6Al-4V alloy.
- Check milling unit compatibility with Grade 5 titanium.
- Use titanium burs suited to work requiring greater height.
- Check the useful 20 mm height in the CAD/CAM software.
- Position sprues to secure larger parts.
- Check clamping of the Ø 98 mm disc before starting the cycle.
- Maintain effective liquid cooling throughout milling.
Finishing high titanium structures
After milling, Grade 5 titanium restorations must be separated, adjusted and finished with compatible instruments. Larger parts require particular attention around sprue areas, functional surfaces and implant areas.
- Work with efficient suction extraction during adjustments.
- Limit heat build-up during part separation.
- Use instruments suitable for titanium and specific to the laboratory.
- Clean structures thoroughly before final inspection.
- Follow the personal protective equipment rules defined for titanium milling.
Recommended milling protocol for Grade 5 titanium
Milling Grade 5 titanium requires strict control of temperature, cutting stability and chip evacuation. The larger or higher the part, the more decisive the CAM strategy, bur condition and cooling become for result consistency.
For the 98 x 20 mm disc, the laboratory must work with a titanium-compatible milling unit, stable clamping, tools suitable for Ti-6Al-4V, a validated milling strategy and continuous liquid cooling during milling.
Checks before production
- Confirm that the machine accepts Grade 5 titanium.
- Check the Ø 98 mm disc holder and tightening.
- Check the condition of the dedicated titanium burs.
- Select a CAM strategy suitable for high parts.
- Validate restoration positioning within the 20 mm height.
- Check the level, cleanliness and effectiveness of the coolant fluid.
Milling under liquid cooling
Titanium and titanium alloys must be milled with a suitable coolant fluid. Dry milling should be avoided unless a protocol has been explicitly validated by the milling unit, tool and CAM software manufacturers.
Cooling helps limit heat build-up, preserve burs, improve chip evacuation and secure the milling of bars, abutments, technical bridges and Grade 5 titanium superstructures.
Laboratory recommendation: mill the Grade 5 titanium disc under irrigation / coolant fluid suitable for titanium, while following the parameters validated for the machine, tools and CAM software used.
Technical specifications
| Product name | Milaenium Grade 5 titanium disc 98 x 20 mm |
|---|---|
| Category | Dental titanium disc for CAD/CAM milling |
| Material | Grade 5 titanium / Ti-6Al-4V / TC4 |
| Format | Ø 98 mm |
| Thickness | 20 mm |
| Other thicknesses in the range | 10, 12, 14, 16, 18, 22 and 25 mm |
| Declared material standards | ASTM F136 / ASTM F67 according to supplier documentation |
| Declared process | Waterjet cutting and turning-milling machining |
| Declared surface | Polished or machined depending on batch and finish |
| Use | CNC / CAD-CAM milling for dental prosthetics laboratories |
| Applications | Bridges, reinforced frameworks, custom abutments, implant bars and superstructures according to indications |
| User | Product reserved for dental professionals |
Declared material properties
The data below present the technical properties communicated for Grade 5 titanium / Ti-6Al-4V ELI. They allow the laboratory to position the material before integrating it into a dental CAD/CAM milling workflow.
| Property | Declared value |
|---|---|
| Density | 4.43 g/cm³ |
| Brinell hardness | 326 |
| Vickers hardness | 341 |
| Rockwell C hardness | 35 |
| Ultimate tensile strength | 860 MPa |
| Tensile yield strength | 790 MPa |
| Elongation at break | 15 % |
| Elastic modulus | 113.8 GPa |
| Compressive strength | 860 MPa |
These values are material reference indicators. Batch traceability, associated documents and usage recommendations must be checked and retained by the laboratory.
Declared chemical composition
| Element | Declared value |
|---|---|
| Titanium | Balance |
| Aluminium | 5.5 to 6.5 % |
| Vanadium | 3.5 to 4.5 % |
| Iron max. | 0.25 % |
| Carbon max. | 0.08 % |
| Nitrogen max. | 0.05 % |
| Hydrogen max. | 0.012 % |
| Oxygen max. | 0.13 % |
A 20 mm titanium disc to reinforce implant production capacity
The 98 x 20 mm titanium disc allows the laboratory to expand its production scope toward higher and more technical restorations. It represents a strategic thickness for titanium CAD/CAM workflows that must cover implant or prosthetic cases requiring a significant material reserve.
Greater useful height
- Thickness suited to high or larger restorations.
- Useful margin for bars, abutments and superstructures according to design.
- Greater positioning freedom in the CAM software.
- Ø 98 mm format compatible with suitable open workflows.
More technical titanium production
- Grade 5 alloy suited to mechanically loaded structures.
- Relevant for implant-oriented and CAD/CAM laboratories.
- Makes it possible to handle cases higher than intermediate thicknesses.
- Milling reserved for professionals equipped for dental titanium.
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Delivery and packaging
Delivery: 1 Milaenium Grade 5 dental titanium disc in Ø 98 mm format, 20 mm thickness, packaged for professional use in dental prosthetics laboratories.
FAQ – Milaenium Grade 5 titanium disc 98 x 20 mm
When should a Grade 5 titanium disc 98 x 20 mm be selected?
The 98 x 20 mm disc is recommended when the laboratory needs to mill restorations requiring significant useful height. It may be relevant for implant bars, custom abutments, technical bridges, reinforced frameworks and superstructures according to the CAD/CAM design.
Before production, it is necessary to check that the 20 mm height truly corresponds to the case to be produced, that sprues can be positioned correctly and that the milling unit accepts Grade 5 titanium under these milling conditions.
What is the difference between an 18 mm and a 20 mm titanium disc?
The 20 mm version provides greater vertical reserve than the 18 mm version. It becomes relevant when the laboratory needs to manage higher parts, implant components, abutments or superstructures requiring additional safety margin within the disc.
The choice must always be guided by the design. If a restoration is fully validated within 18 mm, the 20 mm thickness is not mandatory. However, it provides more freedom when height or CAM positioning becomes more restrictive.
Is Grade 5 titanium suitable for implant bars and superstructures?
Grade 5 titanium, also designated Ti-6Al-4V or TC4, offers high mechanical strength and a good strength-to-weight ratio. It may be relevant for implant bars, custom abutments, technical bridges and superstructures when the design and manufacturing protocol allow it.
Validation depends on the prosthetic case, manufacturing indications, geometry, implant system, CAD/CAM software and the laboratory’s internal protocol. Material traceability and final inspection remain essential.
Should the 20 mm titanium disc be milled with coolant fluid?
Yes, titanium must be milled with a suitable coolant fluid, unless a contrary protocol has been explicitly validated by the milling unit, tool and CAM software manufacturers.
Cooling limits heat build-up, improves chip evacuation, preserves burs and helps secure the surface condition. For higher or larger parts, cooling quality becomes even more important.
What checks should be carried out before milling a 20 mm thickness?
Before milling, the laboratory must check milling unit compatibility with titanium, clamping of the Ø 98 mm disc, bur condition, CAM strategy, available height and part orientation within the disc.
It is also necessary to check sprue position, absence of interference in the toolpath and coolant fluid quality. These checks help limit the risks of heat build-up, vibration, tool breakage or rework after milling.
A Grade 5 titanium disc for high CAD/CAM restorations
The Milaenium Grade 5 titanium disc 98 x 20 mm provides the laboratory with a comfortable material reserve for higher metal restorations and implant structures milled within a compatible CAD/CAM workflow.
Thanks to its Ø 98 mm format, 20 mm thickness and Ti-6Al-4V / TC4 alloy, it is suitable for implant bars, custom abutments, technical bridges, reinforced frameworks and superstructures according to professional indications.
For laboratories wishing to secure titanium production on more demanding cases, this 20 mm version is a coherent solution between useful height, mechanical strength and milling precision.
Titanium disc 98 × 20 mm grade 5 (TC4) D.L.G