The Large Taper Assort (Protaper) rotary file by M3, manufactured by UDG (United Dental Group) in China, is an essential tool in endodontic (root canal) treatments. These files are well-known in the dental market due to their special design and quality. Below is a comprehensive overview of this product:

1. Product Type:

   • These files are based on the Protaper design and are of the Large Taper Assort type, specifically designed for larger root canals.

2. Material:

   • M3 rotary files are made from Nickel-Titanium (NiTi). This material is known for its flexibility and high resistance to fracture, making it an ideal choice for dental rotary instruments.

3. Tapered Design:

   • The conical design of these files allows for effective shaping of complex and curved root canals, aiding in the removal of infected tissue and precise canal preparation.

4. Large Taper:

   • This model has larger tapers, which allows for more efficient debris removal and increases the speed and effectiveness of cleaning larger root canals.

5. Compatibility with Rotary Systems:

   • M3 files are designed for use with modern rotary endodontic systems. The rotational speed of these files should adhere to set standards to avoid breakage.

6. File Set:

   • The Large Taper Assort model typically includes multiple files with various sizes and tapers, each suited for different stages of root canal preparation. This variety enables dentists to choose the right file for each step of the treatment.

7. Safety Features:

   • M3 files are designed with appropriate safety measures, reducing the risk of file breakage during treatment. However, correct usage and adherence to speed and pressure protocols are critical for safe operation.

Key Features:

• Material: Made from Nickel-Titanium (NiTi) for flexibility and resistance to fracture.
• Taper Design: Conical taper ideal for shaping large and complex root canals.
• Large Taper Assortment: Features various sizes and tapers for efficient removal of infected tissues and precise canal shaping.
• System Compatibility: Designed for use with modern rotary endodontic systems.
• File Set: The assortment includes a variety of file sizes and tapers for different stages of root canal preparation.
• Safety and Durability: M3 files are designed to minimize breakage risks and ensure safe operation.

About UDG:

United Dental Group (UDG) is a reputable Chinese company specializing in the production of dental equipment. UDG has gained recognition in the international market for manufacturing high-quality products that meet global standards.

Advantages:

• Affordable price compared to other brands.
• Good quality relative to the cost.
• Availability and reliable after-sales service.

These files are used by dentists in Iran and other countries as a cost-effective and high-quality option.