Retreatment files

• Protaper® Retreatment files have been designed to remove filling material before canal re-shaping.

• The endodontic re-treatment comprises two steps: coronal conditioning precedes re-preparation of the canal.

Retreatment files have been designed to remove filling material before canal re-shaping.

D1 has a cutting tip to facilitate initial penetration into the filling material.

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

• Prepare the access cavity and locate the canal orifice. Remove Gutta Percha from coronal part using hand files.