CONDUTA DO ESPECIALISTA EM ENDODONTIA FRENTE AO RETRATAMENTO ENDODÔNTICO

Failure cases represent a significant percentage within endodontic practice. It is then necessary, in most cases, to carry out endodontic retreatment, which requires the search for a quick, safe and efficient technique. The objective of this study was to analyze the clinical conduct of the Endodontic Specialist in relation to endodontic retreatment through the completion of a questionnaire. To this end, 40 dental surgeons specializing in Endodontics, registered with CRO-PE, were selected. The results demonstrated that 97.5% of those surveyed indicated retreatment in the presence of a periapical lesion with symptoms, 50% in the absence of a periapical lesion with symptoms. Both in root canals treated endodontically and exposed to the oral environment for 30 days (75%) and in canals exposed for 40 days (82.5%) Specialists recommended retreatment in teeth that required a restoration with the presence of an intra-radicular post. 90%. Still in relation to how they use the Association of K, H and Gates-glidden files. The most used solvent was Eucalyptol (62.5%), followed by orange peel oil (55%), Xylol (7. 5%) and chloroform (7.5%). 5% do not use any solvent. 56.4% of those surveyed introduce the solvent up to the middle third in cases of overfilling of the root canal. 62.5% of those surveyed recommend a limit for canal preparation and filling of 1mm below the radiographic vertex. Using foraminal patency in 97.5% of cases. The most used irrigating solution was Chlorinated Soda (60%), followed by labarraque solution (25.0%), Dankin's liquid (17.5%) and saline solution (7.5%). 97.5% stated that they performed retreatment in two sessions and in these cases they used Callen (45.0%) and Callen associated with PMCC (42.5%) as intra-canal medication. The products tricresol formalin, calcium hydroxide P.A and formocresol were mentioned respectively by 15.0%, 12.5% ​​and 5.0%, 80% of those surveyed responded that in cases of flare-up they would not leave the tooth open to the oral environment . And 20% responded that they would leave it. Still in relation to flare-up, the intra-canal medication of choice when not leaving the canal open to the mouth was Callen (37.5%), followed by tricresol formalin (31.1%), callen + PMCC (25% ), calcium hydroxide P.A. (9.4%) and formocresol (3.1%). The drug of choice in cases of acute endodontic treatment was Amoxicillin associated with Clavulanate (92.5%).