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3M ESPE RELYX U200 SELF-ADHESIVE RESIN CEMENT
Description
RelyX U200 by 3M ESPE is a self-adhesive resin cement indicated for permanent cementation of indirect restorations. It is the latsest generation of the most clinically proven resin cement, available in a Clicker Dispenser and in an easy-to-use automix syringe. This provides comfortable and easy delivery of the cement and is simple and time saving. This high performance self-adhesive resin cement offers high adhesion, resistance to discolouration, no post-operative sensitivities and long term stability of the prosthesis. RelyX U200 contains an additional monomer and all new rheology modifier which leads to better mechanical properties and excellent overall adhesion. Â
Key Specifications
Others
Storage:
Store RelyX U200 at temperatures between 15°-25 °C.
Packaging
RelyX U200 Cement is supplied as follows:
- Shade Translucent
o   Clicker Dispenser (11g)
o   1 mixing padÂ
- Shade A2 Universal:
o   Clicker Dispenser (11g)
o   1 mixing padÂ
- Shade A3 Opaque:
o   Clicker Dispenser (11g)
o   1 mixing pad
Tech Info
| Properties | RelyX U200 |
| Compressive strength [MPa] | 291 |
| Flexural strength [MPa] | 99 |
| Modulus of elasticity [GPa] | 6.6 |
| Film thickness [μm] | 13 |
| Water sorption [μg/mm3] | 28 |
| Flexural strength [MPa] | 99 |
| Expansion after 1 month [%] | 0.63 |
| Surface hardness [MPa] | 190 |
| Solubility [μg/mm3] | 0 |
Directions
The time taken for processing and setting depends on the ambient and oral temperatures. Since RelyX U200 is a dual-curing cement it is sensitive to natural or artificial light.
Working time may be significantly reduced under operating lights!
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| Working and Setting times | ||
| Working time (from start of mix) | 2m 30s | |
|  Light cure (400 – 500 nm) | Single surface, from occlusal | 20 s |
| Additional surfaces | 20 s | |
| RelyX Fiber posts, from occlusal | 40 s | |
| Self-cure | Setting time (from start of mix) | 6 m |
Indications
RelyX U200 cement is indicated in permanent cementation of the follow prostheses:
- All ceramic, metal or composite inlays, onlays, crowns and bridges.
- 2-3 unit Maryland bridges
- 3-unit inlay/onlay bridges
- Indirect restorations on implant abutments
- Posts and screws
Benefits
Very easy mixing and handling due to optimized rheology plus reliable 1:1 dosing
Easy-to-use Clicker Delivery system
- Flexible dosing
- Very cost effective due to no need of additional devices or mixing tips
- Time saving due to simultaeously dosing
- Very little material waste
Self-adhesive
- Excellent results without any tooth pre-treatment
- Saves time compared to multistep resin cement
Features
RelyX U200:
- Excellent results without any pre-treatment of the tooth
- Time saving
- Excellent bond strength
- High colour retention
- Easy to use, one step solution
- Outstanding mechanical properties
- Moisture-tolerant
- Dual cure
- Easy removal of excess
- Low post-op sensitivity
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Clicker Dispenser:
- Pre-measured doses for economical and consistent mixing
- Flexible dosing
- Time saving
- Very little material waste
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