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1. Introduction
Dental model production plays a critical role in modern dentistry, requiring high precision and reliability. Traditionally, models have been produced using materials such as plaster, which has long been considered the gold standard. However, advances in resin technology offer the potential for higher efficiency and performance in production processes. This white paper aims to explore the advantages and potential challenges of Custom Dental Model Resin by comparing it with traditional methods and other leading resins.
2. Traditional Dental Model Production Methods
Traditional methods, particularly plaster models, have been widely used in dentistry for decades. While these methods provide extensive knowledge and practical experience, they come with certain limitations. Material waste, long production times, and accuracy issues are among the primary disadvantages. Plaster models can also struggle with dimensional stability over time, leading to challenges in the precise fitting of prosthetics (Lümkemann et al., 2023).
3. Introduction to Custom Dental Model Resin
Custom Dental Model Resin is designed to overcome the challenges posed by traditional methods. Standardization of resin production is key in ensuring high-quality dental models from start to finish in digital dentistry. Thanks to its unique formulation and production technology, Custom Model Resin guarantees consistency from the first kilogram to the 1000th.
4. Comparative Analysis: Custom Dental Model Resin vs. Traditional Methods
|
Criteria |
Plaster Models |
Custom Dental Model Resin (3D Printed Models) |
|
Dimensional Stability Over Time |
Stable but prone to slight expansion due to moisture absorption over time. |
Slight initial deformation, particularly in edentulous models (from 0.257 µm to 0.384 µm over 28 days). Minimal changes in dentate models (from 0.355 µm to 0.347 µm) (Zarbah et al., 2024). |
|
Material |
Absorbs moisture, causing expansion during the curing process. |
Photopolymer resins are moisture resistant, ensuring dimensional stability (Zarbah et al., 2024). |
|
Flexural Strength (MPa) |
10-25 MPa (lower durability, prone to cracking). |
60 MPa (significantly more durable and resistant to damage) (Lümkemann et al., 2023). |
|
Accuracy/Trueness |
Less accurate, prone to dimensional changes during curing. |
High precision with a low shrinkage rate of 0.1%, offering better-fitting prosthetics (Lümkemann et al., 2023). |
|
Deformation Factors |
Prone to expansion due to moisture absorption during curing. |
Minor deformation over time, mainly in edentulous models. Dentate models remain more stable (Zarbah et al., 2024). |
|
Production Time |
Slower, around 4 hours with multiple manual steps. |
Faster, around 1.5 hours, and allows simultaneous production of multiple models (Lümkemann et al., 2023). |
|
Material Consumption |
Consumes approximately 100g of material per model. |
Consumes less material, around 50g per model, reducing overall waste |
|
Storage Effects |
Susceptible to dimensional changes if exposed to humidity. |
More resistant to environmental conditions(Zarbah et al., 2024). |
|
Surface Detail |
Initially detailed, but can degrade over time with wear or transport. |
Excellent surface detail (Zarbah et al., 2024). |
|
Reproducibility |
Requires new physical impressions for each model. |
Easily reproduced from digital STL files without requiring new patient measurements (Zarbah et al., 2024). |
|
Use in Clinical Applications |
Standard for many years but errors can arise if not properly stored. |
More accurate and reliable for complex dental restorations, with superior long-term stability for dentate models (Zarbah et al., 2024). |
|
Cost Efficiency |
Lower initial cost but higher long-term expenses due to recasting and maintenance. |
Higher initial cost for 3D printers but offers significant long-term savings due to digital workflow and material efficiency. |
5. Key Advantages of Custom Model Resin
High Dimensional Accuracy: Custom Model Resin provides excellent dimensional accuracy, allowing clear observation of margin line details in prosthetics and ensuring better fitting prosthetics for patients.
Low Shrinkage Rate: With a low shrinkage rate of 0.1%, it guarantees long-term dimensional stability and maintains fidelity to the original design, whereas traditional gypsum models can have rates up to 0.5%.
Superior Precision: Custom Model Resin ensures the production of all digital analogs with perfect precision, regardless of the implant brand. This facilitates more accurate placement of implant prosthetics and enhances patients' treatment experience.
Easy Cleaning: The resin shortens post-processing time and reduces the amount of alcohol needed for cleaning. This lowers operating costs for laboratories and speeds up workflow.
Reduced Material Waste: Resin-based models optimize workflow with less material waste, providing advantages in both environmental sustainability and cost.
High Flexural Strength: Provides superior mechanical strength compared to other resins, with a high flexural strength of 60 MPa, ensuring models are exceptionally durable and resistant to damage.
Odorless Formulation: Unlike other resins on the market, the resin's odorless formulation creates a more comfortable working environment for users, enhancing technicians' comfort during long working hours.
High Detail Resolution: The resin provides high detail resolution without straining technicians' eyes, thereby increasing work efficiency and enhancing model accuracy.
Matte and Natural Appearance: The resin offers a natural matte finish like gypsum, making models easier for technicians to see and evaluate
Color Stability: The resin's color stability ensures the color remains unchanged even with long-term use, consistently presenting models in a professional aesthetic manner.
The figures below illustrate the differences between Custom Model Resin and other resins:
Figure 1: Left image: Custom Model Resin, Right image: Other well-known commercial resins
Figure 2: Left image: Custom Model Resin, Right image: Other well-known commercial resins
Figure 3: Left image: Custom Model Resin, Right image: Other well-known commercial resins
Figure 4: Left image: Custom Model Resin, Right image: Other well-known commercial resins
6. Conclusion
This study summarizes the key findings from the comparative analysis of Custom Dental Model Resin. It has been shown that Custom Dental Model Resin offers significant advantages over traditional methods and other resins in terms of mechanical properties, accuracy, and workflow efficiency. Specifically, the high flexural strength and low shrinkage rate produce more durable models, while faster production times and reduced operating costs are achieved. Additionally, its odorless formulation provides an ergonomic solution. Compared to other resins in the industry, its excellent plaster-like detail resolution makes it easier for technicians and increases efficiency.
The adoption of Custom Dental Model Resin in dental applications enables dentists and technicians to achieve more accurate and aesthetic results, thereby increasing patient satisfaction and optimizing treatment processes. The innovative approach and development potential of Custom Dental Model Resin play an important role in setting future standards for digital dentistry.
References