Table 5 Overview of additional function methods of root canal files
Additional function | Method | Performance | Advantage | Code |
|---|---|---|---|---|
Anti-fall | Stringing holes | Can be taken out by a string | IS | CN202477881 [107] CN214414938 [108] |
Magnetic bracelet | Can magnetically absorb files | IS | CN204890207 [109] | |
Non-slip bumps | Increased friction with fingers | GC, GS | CN209899615 [110] | |
Bent section | Increased stability with the handle | GS | CN203790060 [111] | |
Cartridge | Addition of different root canal files | GC, GV | CN203564347 [112] | |
Anti-infection | Ultrasound technology | Activate chemicals | GCR | US20160022377 [113] |
Support tubes | Facilitate fluid injection | GCR | CN212089798 [114] | |
Hollow files body | irrigate while treating | GCR | CN211796958 [115] | |
Flushing equipment | Hollow files and inner specular passage | GCR | WO2021144465 [116] | |
Several holes in the outer surface | Clean and transport dirt | GCR | CN208989188 [117] | |
| Â | Sterilization unit | Reduce inflammation or pain | HTP | WO2018009864 [118] |
Laser generator | Eliminates the abscess | HTP | US20210244499 [119] | |
Flat surface | Can bypass fractured files | IS, GF | WO2021186224 [120] | |
Prongs | Can remove the fractured files | IS, GC | US10813719 [121] | |
Anti-error | MD | Different colored marking zones | IS | CN207545234 [122] |
MD | Nonius | IS | CN206403877 [123] | |
MD | Improved nonius | IS, GS | CN205279948 [124] | |
Exposure Window | Connection to electronic apical locator | AM, GC | US20190125508 [125] | |
Setting up a one-piece structure | Connect the metal wire to the handle | AM, GC | CN206381250 [126] | |
Metal rings | Fixed connection to files body | GS, GC | CN206151607 [127] | |
Nonius | Nonius can be fixed with different lengths | IS, GS | US20110300506 [128] | |
Miniature camera | Observation of the inside of the root canal | IS, GVI | CN205626145 [129] |