Dental lab gypsum materials are used to create highly accurate model from a physical impression of a patient's teeth. The models are fabricated by pouring the gypsum material into the impression and allowing it to harden. There are a wide range of gypsums used in dentistry with different properties depending on how the models will be used. Some gypsums are ideal for use in sectioned models and dies, others are designed to be scanned for use in CAD/CAM dentistry, while other model materials are designed for use in vacuum-forming orthodontic appliances, mouth guards or other appliances. It is important to be sure your gypsum is properly set and be sure to properly label your models and dies so they stay with the correct case.
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| Company | Kulzer | Kulzer | Kulzer | Kulzer | Kulzer |
| Item | Denstone Model Stone Gypsum | Die-Keen Resin Reinforced Die Stone | Die-Stone | Lab Plaster Gypsum | Mounting Stone Model Stone Gypsum |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | Denstone is specifically suited for acrylic dentures and counter models. It is formulated to produce extremely smooth and strong casts, with | The Die-Keen Resin Reinforced features: water-activated resins blended with a harder, denser natural gypsum base; tough, durable, and non-brittle with | Die-Stone is extra-hard plaster (Class IV-type). With a smooth and extremely hard surface, it is suitable for fixed and removable bridges, cast | Lab Plaster is available in Type II, White. It features: the purest gypsum, combined with choice additives for uniform mixing; excellent flow | Mounting Stone is very white special plaster (Class I-type) for absolutely precise impressions and articulations. It features outstanding controlling |
| Quantity | 11 kg (25 pounds)
22.7 kg (50 pounds) | 11.3 kg (25 pounds) | 11 kg (25 pounds)
22.7 kg (50 pounds) | 11 kg (25 pounds)
22.7 kg (50 pounds) | 22.7 kg (50 pounds) |
| Compressive Strength | 9,000 psi (62.1 MPa) | 18,000 psi (124 MPa) | 15,000 psi (103 MPa) | 5,000 psi (34.5 MPa) | 5,000 psi (34.5 MPa) |
| Set Time | 8 - 10 minutes | 7 - 9 minutes | 10 - 13 minutes | Fast 4 - 6 minutes
Regular 6 - 8 minutes
Slow 10 -12 minutes | 2 - 3 minutes |
| Indication For Use | Cast Partials
Counter Models
Full, Partial Dentures | Crown And Bridge
Implants
Porcelain | Cast Partials
Crown And Bridge
Porcelain | Denture Fasking
Multiple Laboratory Applications | Mounting Casts |
| Liquid / Powder Ratio | 30 mL / 100 g | 20 mL / 100 g | 22 mL / 100 g | 47 mL / 100 g | 56 mL / 100 g |
| Setting Expansion | 0.11% | 0.08 - 0.10% | 0.07% | 0.17% | Low |
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