Exact Retreatment Assortment D1, D2, D3
Endodontics
RETREATMENT FILE ASSORTMENT D1-D2-D3 RETREATMENT TECHNIQUE Establish a pilot hole using a small sized stainless steel handle with an appropriate solvent, heat carrier or ultrasonic instrument Without engaging dentin, gently press the spinning D1 into the obturated material. Use D1 to remove the obturation material from the coronal 1/3. Next, use the D2 to progressively remove material from the middle 1/3. When appropriate, use the D3 to remove obturation material from the apical 1/3. Use hand files with a solvent to remove obturation materials from the apical 1/3 when encountering intricate anatomy. Remove the frequently and inspect flutes. Continue as long as obturation material is visualized between the cutting blades.
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