UNV Protaper Retreat Asst. D1-2-3

Description

Description-

Progression of the files is done by applying slight apical pressure• Frequently remove the file, inspect the blade for obturation material and clean the debris from the flutes• If the rotary file can not go deeper, use a hand file to overcome the resistance and confirm the canal permeability Protaper Retreatment files have been designed to remove filling material before canal re-shaping. D1 File :  With working tip to facilitate initial penetration.has a cutting tip to facilitate initial penetration into the filling material.

• For coronal filling removal

D2 and D3 File: Both have non-cutting tips and are used to remove material from the mid and apical thirds, respectively.

• D2 for middle filling removal
• D3 for apical filling removal

INSTANT IDENTIFICATION:

• Dark grey handles no moore than 11mm for better visibility
• File handles with 1, 2 & 3 bands

Key Specifications

TECHNICAL SPECIFICATIONS:

Recommended Speed for the files:

• With obturation from gutta percha & thermail obturators: 500-700RPM
• For zinc oxide Eugenol based obturations: 250-300RPM