ProTaper Retreatment Files

ProTaper Retreatment Files

ProTaper Retreatment Files

ProTaper Retreatment Files we call RT files also. in the market, compatible is D files.

RT files are a selection of bespoke rotary files that are commonly used in retreatment cases for the efficient removal of gutta percha. They are used in sequence to remove the coronal (D1), mid (D2) and apical (D3) ⅓ root filling material more efficiently before the final shaping with conventional  endodotic instruments. D1 is 16mm in length with a cutting end tip to engage the filling material in the root canal. D2 and D3 are 18mm and 22mm in length respectively, both are non end cutting and aim to not remove remaining dentine from canal walls in the process.

hereafter, to introduce some instructions of our RT files.



RT files

When the rotary instruments removal method is utilized, select the lowest speed (250-300 rpm) similar to other rotary files, that will effectively engage and remove obturation material from the canal. 1)Flood the pulp chamber with the appropriate solvent and probe the canal orifice with an explorer to check if the paste has been effectively softened.

2)Without engaging dentin, gently press the spinning D1 File into the material and use a short pecking motion to extract material out of the canal. Never engage D1 around a canal curvature.

3)Remove the D1 File frequently, inspect the blades for obturation material and clean the debris from the flutes.

4)Continue with the D1 File, until paste is removed from the coronal one-third of the canal.

5)Select the D2 File and repeat the same packing action to extract obturation material from the middle one-third of the canal. Use a brushing outstroke motion to remove material from the canal walls.

6)When appropriate, choose the D3 File and, in the same way auger the more deeply positioned paste material out of the apical one-third of the canal. endodontic instruments 

7)Continue with the D3 File as long as the flutes of the instrument, upon removal, are loaded with obturation material.

8)When the obturation material is short of the canal terminus, use small sized hand files in the presence of a viscous chelator to negotiate and secure the rest of the canal. 9)After assessing the glide path, select either manual or protaper rotary Files to shape and finish the canal.

therefore, ProTaper Retreatment Files=D files=RT files is very necessary in rotary instruments, it plays an important role as well.protaper retreatment files



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