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Permaflo DC: Versatile Cementation | Dental Domain Corp.

Permaflo DC: Versatile Cementation

The final step in the sequence of procedures to deliver the end result of the prosthesis is provided by luting agents. The durability and success depends on proper selection and appropriate manipulation of the luting agent. Like anything in dentistry, it is important that dentists should not only consider to choose quality but what is the best material for the given clinical case. Handling is also critical as variations in physical properties occur for improper manipulation of a given luting agent than exist between different types of cements.

There are 3 Classifications of Luting Agents:
I. Non-Adhesive- Zinc Phosphate
II. Chemical Bonding- Glass Ionomer, Polycarboxylate, Resin-Modified Glass Ionomer, and Phosphate Modified Composite Resin
III. Adhesive- Self-Cured, Light-Cured and Dual-Cured Composite Resins
There is no ideal luting agent for all procedures; the choice should depend on physical properties, technique sensitivity, and the evidence. The following are the ideal characteristics of luting agents that should be considered when buying:
1. Adhesion to tooth structure.
2. Adhesion to restorative material.
3. Adequate strength to resist functional forces.
4. Lack of solubility in oral fluids.
5. Ability to achieve low film thickness under cementation conditions.
6. Biocompatibility to Oral Tissues
7. Possession of anti-carigenic properties.
8. Radiopaque
9. Relative ease of manipulation
10. Esthetics and Color Stability.

These attributes exist in Permaflo DC. It is the most versatile product within Ultradent’s family of cements. It is ideal as a luting material for crowns, bridges, inlays, and onlays and can also be used for endodontic post cementation and fabrication of core buildups. As a highly filled dual-cure composite/luting restorative resin, PermaFlo DC provides maximum strength and durability that ca be used with porcelain, lithium disilicate, zircona, porcelain fused to metal, metal alloys, leucite-based ceramics, alumina-based ceramics, mica-based ceramics, gold, and composite.

Permaflo DC fits to almost an ideal luting composite one can look for. It has the following features:

 

  • Highly filled (70% by weight)
  • Thixotropic with low film thickness (9µm)
  • Available in four shades: A2, A3.5, Translucent, Opaque White
  • Compatible with both total-etch and self-etch bonding systems.
  • 2.5-minute working time, 5- to 8-minute set time.

 

 

It can also be used to cement endodontic posts and fabricate core buildups. And, to top its versatile chemical cure functionality, unlike other “dual cure” formulations, PermaFlo DC can cure completely without light. Light activation is used to accelerate the set, but the chemical cure modality is always present.

Physical properties should not be the sole basis for selecting a luting agent, it should take into consideration clinical-based evidence and technique sensitivity. It is logical to assume that unless a specific indication for a given luting agent exists, the least technique-sensitive material should be used and for that Permaflo DC certainly fits the bill.