Abstract
Objective: In endodontic treatment, creating a glide path became one of the recommended essential principles to obtain a safe preparation as possible; so the aim of the research is to evaluate the efficiency of the R-Pilot system in glide path preparation within the double curved canals.Study design: A laboratory study to assess the efficiency R-Pilot mechanical patency system on the shape marinating of the canal. Those criteria were used to evaluate the change in the original shape of the canal, Canal Transportation and Centering Ratio. The data were analyzed using SPSS V.13 program and the correlation between the variables were defined using descriptive statistics and inductive statistical tests (chi-square, T Student for independent samples, ANOVA).Results: no significant difference between the two glide path creation systems was found in terms of the deviation amount from the canal centric. whereas, between the R-Pilot system and the manual preparation, significant difference was found in the preserving rate of the canal centric at both the coronal area and the entire canal.Conclusion: glide path creation in the previously mentioned methods with confirmation on the importance of the mechanical patency in terms of speed, Reducing the effort and burden imposed on the practitioner compared to the use of manual files. XP Endo shaper had lower deviation values and more ability to save the shape and centric of the canal.
Highlights
The primary goal of endodontic treatment is to eliminate or reduce bacteria in the root canal system as much as possible while preserving the original shape and path of the canal [1]
Root canals with anatomical curves are considered a challenge to the practicing physician, due to the risk of complications incidence such as instruments refraction and deviation occurrence [3], Stainless steel files tend to restore their original straight shape during the preparation of these curves, unlike nickel titanium files, which has a high elasticity, so it reduces the efforts and lateral forces applied on the canal walls as much as possible in intense curving canals [3]
The sample was divided into two groups according to the glide path creation technique (RPilot, and manual files), and each group was divided into three subgroups (One Curve preparation system, XP Endo Shaper preparation system, Hyflex EDM preparation system)
Summary
The primary goal of endodontic treatment is to eliminate or reduce bacteria in the root canal system as much as possible while preserving the original shape and path of the canal [1]. Because of the sensitivity of dealing with curved canals, and because of the multiple complications that face the practitioner when preparing such canals, such as loss of working length, change of canal path, obturations, perforations, instruments refraction, ledge formation and zipping occurrence due to the difficulty of reaching the entire working length[5] and the accompanying difficulties in completing the remaining therapeutic procedures [6], the use of nickel titanium files, with their varied tapers and high flexibility, gave the practitioner a great ability in maintaining the original curvature of the root canal system [7], especially if the preparation was preceded by creating a glide path for the canal using a glide path-creation nickel titanium files [8,9]
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