(+612) 2531 5600
info@medzin.com
PO Box 1622 Colins Street West Victoria 8077 Australia
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Every root canal tells a different story — and so should the tools we use. In endodontics, small differences can mean the gap between success and failure. That’s why being different isn’t just valuable, it’s necessary.

In endodontics, precision and durability matter.
Root canal procedures demand tools that won’t break under pressure. Yet many files on the market stick to outdated polishing and design standards. The result? Higher failure rates and lower clinical confidence.
NINETEN chose to break away from this pattern.
Their goal was simple: create a file that doesn’t just meet expectations — it challenges them. NT Gold Pro was the outcome of that decision.
While most brands follow the same path, NTENDO carved its own.
NT Gold Pro isn’t just a gold-coated file.
It’s a completely re-engineered tool — from metallurgy to polishing method.
You get:
This isn’t cosmetic. It’s performance-driven.
NT Gold Pro is promoted with a clear statement:
“It’s not just another gold file; it’s gold with a difference.”
Here’s where NT Gold Pro sets itself apart — plasma polishing.
Most conventional endodontic files use traditional mechanical polishing. This removes surface imperfections only to a certain depth. Plasma polishing, in contrast, is a non-contact, electrochemical process that produces a finer, more uniform surface finish.
Benefits of Plasma Polishing:
This advanced polishing process directly contributes to the file’s long-term performance inside canals.
Let’s look at the surface comparison through SEM (Scanning Electron Microscope) images:
Now compare it to traditional polishing:
The result?
A visibly smoother and cleaner file — proof that plasma polishing isn’t just a marketing term, but a real performance upgrade.
Cyclic Fatigue Resistance (CFR) is a critical factor in file failure.
CFR measures how long a file can rotate in a curved canal before breaking. NTENDO put NT Gold Pro to the test, and the results show a 5x increase in fatigue resistance when compared to traditional polishing.
Here’s the full data:
Plasma Polishing Technology (NT Gold Pro):
| Time to Fracture (sec) | Number of Cycles to Fracture |
| 109 | 726.6 |
| 95 | 633.3 |
| 87 | 580 |
| 79 | 526.6 |
| 42 | 280 |
| 78 | 520 |
| 36 | 240 |
| 81 | 540 |
| 82 | 546.6 |
| 68 | 453.3 |
Average Cycles to Fracture: ~504.9
Traditional Polishing Technology:
| Time to Fracture (sec) | Number of Cycles to Fracture |
| 15 | 100 |
| 26 | 173.3 |
| 17 | 113.3 |
| 18 | 120 |
| 12 | 86.6 |
| 13 | 86.6 |
| 15 | 100 |
| 14 | 93.3 |
| 22 | 146.6 |
| 13 | 86.6 |
Average Cycles to Fracture: ~110.9
That’s nearly 5 times more durability under the same stress conditions.
This matters most in real practice — when you’re working deep in curved canals, the last thing you want is file separation.

NT Gold Pro isn’t just stronger — it’s designed for real-world use.
From entry to exit, you get full control.
And that means better results, less stress, and higher patient satisfaction.
When you look at the current file market, most products offer the same features.
NTENDO decided not to follow that crowd.
They introduced NT Gold Pro — a file that proves change is possible. Stronger by design. Sharper by polish. Tested and backed by data.
If you’re a dentist who values clinical precision and tool durability, this isn’t just another gold file.
It’s the smarter, stronger choice.