After gaining straight-line coronal access, assess working length (WL) and create a glide path to a ISO #15 K file size.
Step 1
Start with the 08/17 file. Use as an orifice opener. Move slowly forward without any apical pressure. Check patency with ISO #10 K file. Irrigate and lubricate.
Step 2
Use the 02/19 file till WL. Move slowly forward without pressure. If resistance occurs, recapitulate using ISO #15 K file till working length. Use a ISO #10 K file to check patency. Irrigate and lubricate.
Step 3
Insert 04/20 file for anatomical inspection to the WL. Slowly introduce the file into the canal without pressure in a pecking motion. If resistance occurs, go back to the previous step. Use a ISO #10 K file to check for patency. Remember to irrigate and lubricate the canal.
Step 4
Use the 06/20 file to shape the middle part of the root canal. This file can also be taken to WL. Introduce the file slowly into the canal without pressure. If resistance occurs, go back to the previous step. Use a ISO #10 K file to check for patency. Remember to irrigate and lubricate.
Step 5
Take 04/25 and 06/25 (for larger canals) file to WL to enlarge the apical part of the canal. Introduce the file slowly into the canal and move apically without pressure. If resistance occurs, go back to the previous step. Use a ISO #10 K file to check for patency. Irrigate and lubricate.
Recommended Torque & Speed:
W1 & W2: Speed 300RPM, Torque 3.0N
W3 to W6: Speed 325RPM , Torque: 1.8N
Please Note:
Use a very gentle touch, never force the file.
Always irrigate the canal before engaging a file.
Use the files with brushing/pecking motion.
Take the file passively with light resistance and brush out of the canal.
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