Postoperative Pain after Endodontic Retreatment Using Rotary or Reciprocating Instruments: A Randomized Clinical Trial

1. Comparin, D.
2. Moreira, E.J.L.
3. Souza, E.M.
4. De-Deus, G.
5. Arias, A.
6. Silva, E.J.N.L.