12-Methacryloyldodeyl Phosphate (MDP | CAS 85590-00-7): A High-Performance Functional Monomer for Dental Adhesive Systems
Introduction
In contemporary restorative dentistry, achieving durable adhesion across diverse substrates—including enamel, dentin, zirconia, and metal oxides—is essential for long-term clinical success. Among functional monomers used in adhesive dentistry, 12-Methacryloyldodeyl Phosphate (MDP | CAS 85590-00-7) has become a benchmark ingredient due to its unique chemical structure and proven bonding performance.
MDP is widely incorporated into universal adhesives, resin cements, and ceramic/zirconia primers, where it delivers chemical adhesion, hydrolytic stability, and long-term bond durability.
Chemical Identity and Structure
Product Name: 12-Methacryloyldodeyl Phosphate
Abbreviation: MDP
CAS Number: 85590-00-7
Chemical Class: Functional phosphate monomer
Structure Features:
- Polymerizable methacrylate group
- Reactive phosphate group
- Hydrophobic long alkyl chain (C12)
This bifunctional structure allows MDP to simultaneously participate in polymer network formation and chemical bonding to inorganic substrates.
Mechanism of Adhesion
1. Chemical Bonding to Hydroxyapatite
The phosphate group in MDP reacts with calcium ions present in hydroxyapatite (tooth structure), forming stable MDP-calcium salts.
This interaction results in:
- Strong adhesion to enamel and dentin
- Formation of a stable interfacial nano-layer
- Improved resistance to hydrolytic degradation
2. Bonding to Zirconia and Metal Oxides
MDP is particularly effective for zirconia bonding, where traditional silane systems show limited performance.
The phosphate group chemically interacts with:
- Zirconium oxide (ZrO₂)
- Aluminum oxide (Al₂O₃)
- Other metal oxide surfaces
This enables strong and durable adhesion in:
- zirconia restorations
- metal frameworks
- ceramic prosthetics
3. Polymerization Compatibility
The methacrylate group allows MDP to co-polymerize with:
- Bis-GMA
- UDMA
- TEGDMA
This ensures seamless integration into resin-based adhesive matrices, improving mechanical strength and interfacial stability.
Key Performance Advantages
✔ Strong chemical adhesion to enamel & dentin
✔ Excellent bonding to zirconia, ceramics, and metal oxides
✔ Formation of stable nano-layered interfaces
✔ High hydrolytic and thermal stability
✔ Improved long-term bond durability
✔ Compatible with modern universal adhesive systems
Main Applications
1. Universal Dental Adhesives
MDP is a core component in multi-mode adhesive systems, enabling bonding to both tooth structure and indirect restorative materials.
2. Resin Cements
Incorporation of MDP enhances adhesion between restorations and tooth substrates, especially in zirconia-based restorations.
3. Zirconia & Ceramic Primers
MDP-based primers significantly improve the bonding strength of non-silica-based ceramics, particularly zirconia.
4. Composite Restorative Systems
Used in combination with other monomers to improve adhesion and durability of composite restorations.
Industry Significance
With the increasing adoption of zirconia restorations and universal adhesive systems, the demand for MDP continues to grow globally.
Dental material manufacturers are increasingly focused on:
- improving bond durability
- simplifying clinical procedures
- enhancing compatibility across substrates
MDP plays a central role in achieving these objectives, making it one of the most important monomers in modern dental materials science.
Why Choose Our MDP Supply
✔ High purity and consistent quality
✔ Strict quality control standards
✔ COA / MSDS / TDS available
✔ Stable global supply capability
✔ Technical support for formulation development
SEO Keywords
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Meta Description (SEO)
12-Methacryloyldodeyl Phosphate (MDP | CAS 85590-00-7) is a high-performance dental adhesive monomer used for bonding enamel, dentin, zirconia, and metal oxides in advanced dental materials.
FAQ (For SEO Rich Snippets)
Q1: What is MDP used for in dentistry?
MDP is used as a functional monomer in adhesives, resin cements, and primers to provide strong chemical bonding to tooth structure and zirconia.
Q2: Why is MDP important for zirconia bonding?
MDP forms chemical bonds with zirconium oxide surfaces, significantly improving adhesion compared to traditional systems.
Q3: Is MDP compatible with universal adhesives?
Yes, MDP is a key component in most modern universal adhesive systems due to its multi-substrate bonding capability.
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