Clinical and radiographic evaluation of procedural errors during preparation of curved root canals with hand and rotary instruments: A randomized clinical study

Abstract

Background:The process of cleaning and shaping the canal is not an easy goal to obtain, as canal curvature played a significant role during the instrumentation of the curved canals.Aim:The present in vivo study was conducted to evaluate procedural errors during the preparation of curved root canals using hand Nitiflex and rotary K3XF instruments.Materials and Methods:Procedural errors such as ledge formation, instrument separation, and perforation (apical, furcal, strip) were determined in sixty patients, divided into two groups. In Group I, thirty teeth in thirty patients were prepared using hand Nitiflex system, and in Group II, thirty teeth in thirty patients were prepared using K3XF rotary system. The evaluation was done clinically as well as radiographically. The results recorded from both groups were compiled and put to statistical analysis.Statistical Analysis:Chi-square test was used to compare the procedural errors (instrument separation, ledge formation, and perforation).Results:In the present study, both hand Nitiflex and rotary K3XF showed ledge formation and instrument separation. Although ledge formation and instrument separation by rotary K3XF file system was less as compared to hand Nitiflex. No perforation was seen in both the instrument groups.Conclusion:Canal curvature played a significant role during the instrumentation of the curved canals. Procedural errors such as ledge formation and instrument separation by rotary K3XF file system were less as compared to hand Nitiflex.

Dificuldades odontológicas no tratamento endodôntico de dentes decíduos: revisão de literatura / Dental difficulties in the endodontic treatment of deciduous teeth: a literature review

“…Sendo assim, a instrumentação do canal radicular torna-se difícil para o operador quando não há conhecimento da anatomia interna dos canais radiculares, em virtude disso ocorrem diversos acidentes; como falhas na técnica, complicações na instrumentação dos canais atréesicos e curvos, falha na utilização de instrumentos agressivos, perfuração do canal radicular e fratura do instrumento dentro do canal (KHANNA et al, 2017).…”

Size accuracy of the greater taper gutta-percha points – preliminary report

“…Various possible endodontic errors and endodontic malpractices can be committed by dentists during clinical procedures [1][2][3]. Apart from pre-operative errors, such as improper diagnosis, and post-operative failures, such as prolonged pain, there are also complications resulting from treatment courses [3].…”

Cyclic Fatigue, Torsional Resistance, and Angular Deflection of Two Heat-Treated Files: M-Wire Versus New F-Wire Technology

“…An equivalent cannot be said about the endodontic files. Procedure errors [5,6] and untouched root canal walls [7,8] often occur in treatments using endodontic files. For this reason, researchers are continually attempting to develop new files with the aim of increasing their performance.…”