1. Common models of hand-held root canal files
Hand-held root canal files are a dental treatment tool, commonly used for root canal trimming during root canal treatment. According to different treatment needs, hand-held root canal files have a variety of models to choose from, the common ones are K-type, H-type, S-type, F-type, etc.
2. Common sizes of hand-held root canal files
The sizes of hand-held root canal files are generally made according to international standard specifications, and the common sizes are 10, 15, 20, 25, 30, 35, 40, 45, 50, etc. Among them, the larger the size, the larger the diameter of the root canal file.
3. Parameters and specifications of hand-held root canal files
The parameters and specifications of hand-held root canal files mainly include length, file handle shape, file handle material, etc. Common lengths are 21mm, 25mm, 31mm, etc., the file handle shapes are hexagonal and round, and the file handle materials are stainless steel, nickel-titanium alloy, etc.
4. Types of hand-held root canal files
Hand-held root canal files can be divided into manual files, rotary files and ultrasonic files according to different usage scenarios and treatment needs. Among them, rotary files and ultrasonic files require the use of special equipment, while manual files can be operated manually.








