Aim and Background: The present study is aimed at evaluation of residual radicular dentinal thickness and taper by using Universal Hand Protaper, Protaper Gold and Kedo-S Plus in Deciduous Molars Using Three-dimensional Cone-beam Computed tomography.
Method: 66 molars which were freshly extracted and included only primary teeth were selected for this in-vitro study. Random allocation of the molars was done into three groups named as, A Group: Protaper Universal, B Group: Protaper Gold and C Group: Kedo S Plus with 22 teeth in each group. The extracted teeth were mounted on wax blocks and subjected to CBCT examination for pre-instrumentation dentinal thickness. After instrumentation with respective file system for each groups the samples were then subjected to CBCT examination for post-instrumentation dentinal thickness.
Results: The post-treatment dentin was greatest in Kedo S plus group followed by Protaper gold and Protaper Universal. Significantly greater tapering was seen in Kedo-S plus in comparison to Protaper Universal and Protaper gold.
Conclusion: Dentin removal was least in Kedo S Plus group as compared to other two groups. There was significantly greater tapering in Kedo-S plus in comparison to Universal Hand Protaper and Protaper gold.
Clinical Significance: This research helps us to determine an efficient endodontic file for the proper preparation of primary root canals for endodontic procedure which has minimal dentin removal and better taper for avoiding fracture of root canal during instrumentation.
Keywords: Cone-Beam computed tomography, root canal treatment, primary molars, rotary files, dentin
How to cite this article: Biswas S, Snehi, Rajurkarr K, Koyande A, Comparative evaluation of dentin removal and taper of root canal preparation by using one hand protaper and two rotary file systems in primary molars using cone-beam computed tomography: An in-vitro study. Int J Drug Deliv Technol. 2026;16(4s): 882-887; DOI: 10.25258/ijddt.16.4s.102
Source of support: Nil
Conflict of interest: None