MANIJIZAI – NiTi Rotary Files
Enhancing safety, ensuring precision, perfecting performance.
MANIJIZAI - NiTi Rotary Files
To resolve problems in root canal treatments, JIZAI demonstrates our commitment to superior operability, canal conformance, and durability. JIZAI is engineered to provide reliable support in navigating curved root canals, minimizing practitioner’s workload and maximizing comfort for practitioners and patients.
Product Characteristics
- Good control with reduced screw-in effect
- Engineered to eliminate concerns for fracture: superior durability
- Reliable partner in complex root-canal preparation: excellent centering ability
Recommended Sequence
- To make canal treatment simple and smooth.
- Easy procedure and instruction to follow.
JIZAI FAQ
Q1. What is the recommended motor setting?
- JIZAI Glider: 300rpm or less, 1.0N・cm or less
- JIZAI: 500rpm or less, 3.0N・cm or less
Q2. Is JIZAI Super elastic or control memory?
- JIZAI GLIDER is super elastic, while other JIZAI files have control memory
- Since JIZAI GLIDER is very thin (size 13. 04 taper), super-elasticity gives proper stiffness required for glide path.
- To respect canal anatomy, bigger files have control memory to make them flexible.
Q3. I've heard JIZAI has high durability, but does it not break?
- There are possibility of file breakage.
- However, our original heat treatment method is carefully applied to enhance resistance to fatigue fracture. In-house test revealed JIZAI rotated 2,578 times before breaking (N-10), and we believe JIZAI has high durability even though fractures are possible to happen.
Q4. Which sizes available?
- 23 different sizes are available.

Q5. What is the sales unit?
- 3 pieces in 1 sheet
Q6. How can I distinguish the size and taper?
- You can refer to the shank of the file.
- Color marking based on international standards.
- Size and taper are laser market on shank.
Q7. What is radial land and why does JIZAI have it?
- Curved surface of the working part which reduces the screw-in effect.
- Radial land (blue parts in the image) aims to prevent excessive engagement with the canal walls and reduce the screw-inn

Q8. How can I sterilize JIZAI?
- Please sterilize using an autoclave (high-pressure steam sterilization).

Q9. For patency, what should I use?
- D-FINDERS and GLIDE FINDERS are recommended.
- D-FINDERS (Left) with the minimized cutting edges, the file is less likely to over-engage into the canal wall, and reduced the risk of creating ledges and perforations
- GLIDE FINDERS (Right)
Its high cutting efficiency with stiffness makes it possible to achieve patency even through severely calcified or constricted root canals.

