Titanium disc 98 × 25 mm grade 5 (TC4) - D.L.G
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Milaenium
Grade 5 titanium
Ti-6Al-4V / TC4
Ø 98 mm
CAD/CAM superstructures
25 mm thickness
Milaenium Grade 5 titanium disc 98 x 25 mm – dental titanium disc for CAD/CAM superstructures
The Milaenium Grade 5 titanium disc 98 x 25 mm is a Ø 98 mm dental titanium disc intended for dental prosthetics laboratories milling high parts, complex implant restorations and metal superstructures within a dental CAD/CAM workflow.
Its 25 mm thickness represents the largest vertical reserve in the range. It allows laboratories to approach cases where useful height becomes decisive: large implant bars, high abutments, screw-retained bridges, reinforced frameworks and superstructures according to CAD/CAM validation.
Ø 98 mm
Disc format for compatible dental milling units
Grade 5 TC4
Ti-6Al-4V titanium alloy for demanding structures
25 mm thickness
Maximum height for complex implant cases
Titanium milling
Milling under suitable liquid cooling
A 25 mm titanium disc for large-height implant production
The Milaenium Grade 5 titanium disc 98 x 25 mm is intended for laboratories that need to produce metal structures requiring significant material height. This version makes it possible to cover cases where lower thicknesses may lack margin for orientation, sprues or prosthetic geometry.
In a dental CAD/CAM workflow, the 25 mm thickness provides additional freedom to position large parts within the disc, organize milling supports and secure complex implant restorations.
Grade 5 Ti-6Al-4V titanium provides the laboratory with a material suited to mechanically loaded restorations, provided that a complete protocol is followed: titanium-compatible milling unit, suitable burs, validated CAM strategy, stable clamping and effective liquid cooling.
Professional indications for the 98 x 25 mm disc
The Milaenium Grade 5 titanium disc 98 x 25 mm is intended for dental prosthetics laboratories equipped for titanium milling and faced with high or complex parts.
- Implant superstructures requiring significant height.
- Large implant bars according to validated design.
- High custom abutments according to professional indications.
- Screw-retained bridges and technical implant structures.
- Large-height reinforced metal frameworks.
- CAD/CAM cases where the 25 mm thickness secures part positioning.
A thickness dedicated to the highest cases
The 25 mm thickness allows the dental technician to work with the maximum vertical reserve in the range. It becomes relevant when restoration height, milling orientation or sprue position cannot be properly secured in a lower thickness.
This height is particularly relevant for laboratories focused on implantology, milled bars, superstructures and screw-retained restorations requiring more developed geometry.
As with any high-thickness titanium disc, the choice must be confirmed in the CAD/CAM software according to the actual height of the part, machine limitations, available tools, milling strategy and requirements of the prosthetic case.
Grade 5 Ti-6Al-4V titanium: an alloy suited to large-height structures
Grade 5 titanium, also known as Ti-6Al-4V or TC4, is an alloy combining titanium, aluminium and vanadium. It is used when the laboratory is looking for mechanical strength greater than that of the most common commercially pure titanium grades.
- High mechanical strength for loaded implant restorations.
- Interesting strength-to-weight ratio for large structures.
- Useful rigidity for bars, abutments, screw-retained bridges and superstructures.
- Compatibility with dental CAD/CAM workflows under an adapted protocol.
- Finishing possible according to the laboratory’s professional methods.
For high parts, the quality of the result depends as much on the material as on control of the production workflow: CAD design, CAM toolpaths, disc stability, bur condition, liquid cooling and controlled finishing.
Understanding titanium grades for milled dental restorations
The different titanium grades do not meet the same level of mechanical requirement. Commercially pure titanium grades are often valued for their ductility, while Grade 5 is selected when the restoration must withstand higher loads.
| Grade | Family | Laboratory interpretation |
|---|---|---|
| Grade 1 | Commercially pure titanium | Very ductile, softer, suitable for uses where mechanical loads remain moderate. |
| Grade 2 | Commercially pure titanium | Good overall behavior for certain restorations or parts with lower mechanical loading. |
| Grade 4 | Reinforced pure titanium | Stronger than lower pure grades, used in certain prosthetic and implant indications. |
| Grade 5 | Ti-6Al-4V alloy | High-strength alloy, relevant for implant restorations and technical 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 coherent for a 25 mm thickness?
A 25 mm thickness is generally selected for high, large or complex structures. In this type of case, the laboratory needs a material capable of maintaining good mechanical stability while limiting the final mass of the restoration.
Grade 5 Ti-6Al-4V titanium meets this requirement thanks to its strength-to-weight ratio and rigidity. It is particularly relevant for implant bars, custom abutments, screw-retained bridges and milled superstructures when justified by the prosthetic design.
The material does not replace design control: cross-sections, connectors, sprue areas, orientation, CAM strategy and finishing protocol must remain validated before any production.
A technical choice for CAD/CAM superstructures
Grade 5 is a suitable choice for laboratories wishing to produce complex metal structures with a material stronger than the most common pure titanium grades.
- Suitable for large-height structures according to design.
- Relevant for superstructures, bars and screw-retained bridges.
- Good balance between mechanical strength, rigidity and light weight.
- Compatible with dental machines designed for titanium.
- Milling to be carried out under suitable liquid cooling.
The choice of Grade 5 titanium must always be combined with case indications, the CAD/CAM protocol and the laboratory’s quality controls.
25 mm thickness: maximum height for complex cases
The Milaenium Grade 5 titanium disc 98 x 25 mm is the variant to choose when the laboratory needs the largest vertical reserve in the range. It makes it possible to approach restorations where height, orientation and holding constraints become priorities.
| Thickness | Recommended use orientation |
|---|---|
| 10 to 12 mm | Compact restorations, single units, crowns and small frameworks. |
| 14 to 16 mm | Intermediate work, compact bridges, frameworks and moderate-height restorations. |
| 18 to 20 mm | Technical bridges, reinforced frameworks, abutments and implant structures with significant height. |
| 22 mm | Implant bars, high abutments, screw-retained bridges and superstructures with reinforced vertical reserve. |
| 25 mm | Very large cases, complex superstructures and restorations requiring the maximum height of the range. |
Selection of the 25 mm disc must be confirmed in the CAD/CAM software according to the actual height of the restoration, milling orientation, sprues, toolpaths and milling unit limitations.
Milling recommendations for the 98 x 25 mm titanium disc
The Grade 5 titanium disc 98 x 25 mm must be milled on a machine compatible with titanium alloys, with a suitable Ø 98 mm holding system, specific burs and a CAM strategy designed for high Ti-6Al-4V parts.
- Check milling unit compatibility with Grade 5 titanium.
- Check that the useful 25 mm height corresponds to the case to be produced.
- Use titanium burs suited to large structures.
- Position sprues to secure large-height parts.
- Check tightening of the Ø 98 mm disc before milling.
- Maintain effective liquid cooling throughout the entire cycle.
Finishing titanium superstructures
Restorations milled from a 25 mm disc may present more extensive functional, implant or structural areas. Finishing must therefore be carried out precisely to preserve fit, interfaces and surface condition.
- Use efficient suction extraction during separation and adjustments.
- Limit heat build-up on sensitive areas.
- Use instruments compatible with titanium.
- Clean structures thoroughly before final inspection.
- Follow the personal protective equipment rules defined for titanium work.
Recommended milling protocol for Grade 5 titanium
Milling Grade 5 titanium requires rigorous control of temperature, cutting force, chip evacuation and bur condition. On a 25 mm thickness, these parameters become essential because parts may be higher and cycles more demanding.
For reliable production, the laboratory must combine a titanium-compatible milling unit, burs suitable for Ti-6Al-4V, a CAM strategy designed for large structures, precise clamping and continuous liquid cooling during milling.
Checks before production
- Confirm that the milling unit accepts Grade 5 titanium.
- Check the Ø 98 mm disc holding system.
- Check the condition of the dedicated titanium burs.
- Choose a CAM strategy suitable for high structures.
- Validate part positioning within the 25 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, facilitate chip evacuation and secure production of superstructures, implant bars, high abutments and Grade 5 titanium screw-retained bridges.
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 25 mm |
|---|---|
| Category | Dental titanium disc for CAD/CAM milling |
| Material | Grade 5 titanium / Ti-6Al-4V / TC4 |
| Format | Ø 98 mm |
| Thickness | 25 mm |
| Other thicknesses in the range | 10, 12, 14, 16, 18, 20 and 22 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 | Implant superstructures, bars, high abutments, screw-retained bridges, reinforced frameworks and complex structures according to indications |
| User | Product reserved for dental professionals |
Declared material properties
The properties below allow the laboratory to assess the general behavior of Grade 5 titanium / Ti-6Al-4V ELI before integration into a dental milling workflow. They are technical reference indicators to be compared with batch documentation.
| 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 provided as 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 25 mm titanium disc for complex implant cases
The 98 x 25 mm titanium disc is intended for laboratories wishing to secure the highest productions in the range. It provides a significant material reserve for superstructures, bars, abutments and technical restorations that require maximum positioning freedom within the disc.
Maximum vertical reserve
- Thickness suited to high and large structures.
- Significant margin for bars, abutments and superstructures according to design.
- High placement freedom within the Ø 98 mm disc.
- Format compatible with open workflows adapted to titanium.
Advanced implant production
- Grade 5 alloy suited to mechanically loaded restorations.
- Relevant for laboratories producing complex implant cases.
- Makes it possible to approach the highest work in the range.
- Milling reserved for professionals equipped for titanium milling.
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Delivery and packaging
Delivery: 1 Milaenium Grade 5 dental titanium disc in Ø 98 mm format, 25 mm thickness, packaged for professional use in dental prosthetics laboratories.
FAQ – Milaenium Grade 5 titanium disc 98 x 25 mm
When should a Grade 5 titanium disc 98 x 25 mm be selected?
The 98 x 25 mm disc is intended for cases requiring the greatest useful height in the range. It may be relevant for implant superstructures, large bars, high abutments, screw-retained bridges or complex frameworks according to the CAD/CAM design.
This thickness should be selected when the height, part orientation, sprues or case geometry cannot be sufficiently secured in a lower thickness. Validation must always be carried out before milling is started.
What is the difference between a 22 mm and a 25 mm titanium disc?
The 25 mm disc provides a greater vertical reserve than the 22 mm disc. It is useful when the laboratory needs to mill even higher parts, when the structure has large geometry or when CAM orientation requires more margin.
The choice must remain rational: if the case is correctly validated within 22 mm, the 25 mm thickness is not systematically necessary. It becomes relevant for complex implant restorations where maximum height provides positioning security.
Is Grade 5 titanium suitable for large-height superstructures?
Grade 5 titanium, also known as Ti-6Al-4V or TC4, is sought after for its mechanical strength, rigidity and strength-to-weight ratio. It can be suitable for large-height superstructures when the design, cross-sections and manufacturing protocol are validated.
For these restorations, the laboratory must check geometry, connections, functional areas, sprues and milling parameters. Final quality depends on the material, but also on CAD design, CAM toolpaths, finishing and batch traceability.
Should the 25 mm titanium disc be milled under liquid cooling?
Yes, titanium milling must be carried out with a suitable coolant fluid, unless a contrary protocol has been explicitly validated by the milling unit, tool and CAM software manufacturers.
On a 25 mm thickness, cooling is particularly important because cycles may be longer and structures larger. It helps limit heat build-up, preserve burs, evacuate chips and secure the surface condition.
What checks should be carried out before milling a 25 mm thickness?
Before milling, the laboratory must check machine compatibility with Grade 5 titanium, tightening of the Ø 98 mm disc, bur condition, coolant fluid level and the CAM strategy planned for high structures.
The actual height of the restoration, part orientation, sprue positioning, absence of interference in toolpaths and clamping stability must also be checked. These checks reduce the risks of heat build-up, vibration, tool wear or rework after milling.
A Grade 5 titanium disc for complex implant superstructures
The Milaenium Grade 5 titanium disc 98 x 25 mm provides the laboratory with the maximum height in the range to produce complex metal restorations, high implant structures and technical parts within a compatible CAD/CAM workflow.
Thanks to its Ø 98 mm format, 25 mm thickness and Ti-6Al-4V / TC4 alloy, it is suitable for implant superstructures, large bars, high abutments, screw-retained bridges and reinforced frameworks according to professional indications.
For laboratories wishing to secure titanium milling on the most demanding cases in the range, this 25 mm version is a coherent solution between useful height, mechanical strength and manufacturing precision.
Titanium disc 98 × 25 mm grade 5 (TC4) - D.L.G