This guide provides a comprehensive overview of PMMA in dentistry, including its applications, advantages, and why you should choose Honchon Smile for your PMMA needs.
PMMA, or polymethyl methacrylate, is a transparent thermoplastic often used as a lightweight and shatter-resistant alternative to glass. In dentistry, PMMA is favored for its excellent optical properties and biocompatibility.
PMMA is widely used in dentistry due to its:
Aesthetic Transparency: It mimics the natural translucency of teeth.
Durability: PMMA is strong and resistant to wear.
Ease of Manipulation: It can be easily shaped and molded, making it ideal for dental prosthetics.
Biocompatibility: PMMA is well-tolerated by human tissue, reducing the risk of adverse reactions.
There are several types of PMMA used in dentistry, including:
Heat-Cured PMMA: Used for creating durable dentures and dental prostheses.
Self-Cured PMMA: Commonly used for temporary crowns and bridges.
Light-Cured PMMA: Utilized for quick-setting applications in dental restorations.
PMMA blocks are crucial materials for dental laboratories to mill long-term temporary restorations. When a dentist prepares a natural tooth for a crown, the enamel layer is first removed. Since the time required for a permanent restoration is about one month, patients must wear temporary restorations to protect their prepared teeth from temperature stimuli and bacterial infection.
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 discs are made of special polymethyl methacrylate, offering increased translucency and superior mechanical properties. These discs are designed for producing long-term temporary restorations, cemented or screw-retained replacements.
Monolayer PMMA is used for:
Fully and partially anatomical long-term temporary crowns and bridges
Casting technology
Invisible braces
Bite splints
Implant surgical guides
Excellent Abrasion Resistance: Provides durability for long-term use.
Finishing: Offers a bright surface and good polishing performance after milling.
Long-Term Shade Stability and Aesthetics: Maintains color and appearance over time.
Compatibility: Available in Open CADCAM system, Zirkonzahn system, and Amann Girrbach system.
Denture Structure: Low water absorption and burns out without a trace.
Available Colors:
Monolayer PMMA is available in VITA 16 shades, A0, BL1, BL2, BL3, and Clear.
Multilayer PMMA discs are made of special polymethyl methacrylate, which offers increased translucency and superior mechanical properties. Multilayer PMMA is designed for the production of fully or partially anatomical long-term temporary crowns and bridges. Its gradient color gives the restoration a natural look.
Indications:
Fully anatomical long-term temporary crowns and bridges
Partially anatomical long-term temporary crowns and bridges
Excellent Abrasion Resistance: Provides durability for long-term use.
Finishing: Offers a bright surface, easy milling, and good polishing performance.
Gradient Coloring: Gives the restoration a natural look.
Aesthetic Translucency: Enhances the visual appeal of the dental restoration.
No Additional Reinforcement or Staining Required: Simplifies the restoration process.
Compatibility: Available in Open CADCAM system, Zirkonzahn system, and Amann Girrbach system.
Available Colors:
Multilayer PMMA is available in VITA 16 shades, BL1, and A1.
PMMA offers numerous advantages in dental applications:
Superior Aesthetics: Provides a natural appearance matching the patient’s teeth.
High Strength: Ensures longevity and resilience of dental appliances.
Ease of Processing: Simplifies the fabrication of dental devices.
Cost-Effectiveness: More affordable compared to other dental materials.
Honchon Smile PMMA material is distinguished by:
High Quality: Manufactured to meet stringent industry standards.
Reliability: Known for its consistent performance and durability.
Aesthetic Appeal: Designed to provide a natural look for dental restorations.
Advanced Technology: Utilizes state-of-the-art manufacturing processes to ensure superior product quality.
The use of PMMA in dentistry involves several key steps:
Molding and Shaping: PMMA is shaped into the desired dental appliance using molds.
Curing: The material is hardened through heat, light, or chemical processes.
Finishing and Polishing: The dental appliance is refined to achieve the desired aesthetics and functionality.
Fitting: The finished product is fitted to the patient, ensuring comfort and proper alignment.
While PMMA is highly useful, it does have some limitations:
Potential for Allergic Reactions: Some patients may be allergic to PMMA components.
Limited Flexibility: PMMA is rigid, which can be a disadvantage in certain dental applications.
Color Stability: Over time, PMMA may discolor due to exposure to food and beverages.
Wear Resistance: Although durable, PMMA can wear down with prolonged use.
This comprehensive overview highlights the versatility and benefits of PMMA in dental applications. Honchon Smile PMMA material offers superior quality and reliability, making it an ideal choice for dental professionals seeking durable and aesthetically pleasing solutions.
