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International journal of odontostomatology

versión On-line ISSN 0718-381X

Resumen

MUNOZ, Francisca et al. Root Canal Glide Path and Apical Transportation: Three System Comparison. Int. J. Odontostomat. [online]. 2017, vol.11, n.2, pp.151-156. ISSN 0718-381X.  http://dx.doi.org/10.4067/S0718-381X2017000200006.

Preservation of the original root canal anatomy has a direct influence on the success of an endodontic treatment. In order to achieve this, rotary instrumentation systems require permeable root canals. Different files and systems are used for the establishment of a glide path such as manual stainless steel K files and NiTi rotatory systems like PathFile and ProGlider (Dentsply, Maillefer). Thus, the objective of this research was to compare the ability of different systems to create a glide path and maintain root canal anatomy without producing apical transportation in mesial root canals of extracted human lower molars. A quantitative experimental study was performed with a sample of 36 mesial root canals of extracted human mandibular molars. The samples were randomly divided into three groups consisting of 12 root canals each, which were subjected to different glide path systems (K-Files, PathFile and ProGlider). Samples were photographed before and after creating glide path using a microscope with 30X magnification. The displacement of the root canal in a mesio - distal and bucco - lingual direction was quantified after creating glide path. Data was analyzed using the statistical package InfoStat / L and the ANOVA / Tukey test was applied. The PathFile system produced greater transport of the root canal in its apical third in the mesio-distal direction (p = 0.77) and the ProGlider system in the bucco-lingual direction (p = 0.57). However, these differences were not significant. In conclusion, the glide path systems analyzed do not present any differences in their ability to maintain the anatomy without producing apical transportation.

Palabras clave : glide path; apical transportation; rotary instrumentation; nickel­ titanium; pathfile; proglider.

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