pmma dental disc

1.pmma dental disc Introduction:

PMMA dental discs are essential for dental laboratories to mill long-term temporary restorations. When preparing crowns, dentists remove the enamel layer. Since permanent teeth take a long time to make, patients need to wear temporary teeth to protect their oral cavity.

PMMA discs are used in dental milling machines. 

They are strong, safe for the body, and approved by the FDA. Dentists use these discs to make things like mouth guards, dentures, and clear retainers. Also called acrylic discs, they are flat and have edges on both sides to keep the thickness the same while milling. 

These discs work with CAD or CAM dental machines to simplify your workflow 

2. Physical parameters of PMMA dental disc

Hardness: 75-85 Shore D

Melting Point: 240-270°C

Density: 1.19 g/cm³

Toughness: Good

Machinability: Excellent

Water Absorption: ≤40 μg/mm³

Solubility: ≤7.5 μg/mm³

Monolayer pmma dental disc

Monolayer  PMMA discs offer increased transparency and excellent mechanical properties.

3.Indications of pmma dental disc

Fully and partially anatomical long-term temporary crowns and bridges

Casting technology

Invisible braces

Bite splints

Implant surgical guides

4.Advantages of pmma dental disc

Excellent Abrasion Resistance: Ensures durability over time.

Finishing: Bright surface with good polishing performance after milling.

Long-Term Shade Stability and Aesthetics: Maintains color and appearance.

Compatibility: Available in Open CAD CAM system, Zirkonzahn system, and Amann Girrbach system.

Denture Structure: Low water absorption and burns out without a trace.

5.Available Colors of pmma dental disc

shade A1 A2 A3 A35 A4 B1 B2 B3 B4 C1 C2 C3 C4 D2 D3 D4

A0, BL1, BL2, BL3

Clear

6.Available sizes of pmma dental discs

7.Conclusion

pmma dental disc are a vital component in dental laboratories for creating temporary restorations. Monolayer PMMA discs offer distinct advantages, including excellent abrasion resistance, aesthetic translucency, and ease of processing. Available in various shades and compatible with multiple CADCAM systems, PMMA blocks provide reliable and aesthetically pleasing temporary dental solutions.