Abstract
Objective: To evaluate the efficacy of rotary Kedo-S and hand K-files in shaping ability in primary canines using cone beam computed tomography. Materials and Methods: Thirty extracted primary maxillary and mandibular canines were selected. Using cone beam computed tomography the teeth were scanned before instrumentation. In Group I, the teeth were prepared using stainless steel K file up to the size of 40. In the Group II teeth, U1 size Kedo-S rotary file was used in crown down technique. The instrumented teeth were scanned again with cone beam computed tomography and the images were compared. Results: The canal taper was more conical for rotary Kedo-S files as compared to K-files, which was statistically significant. Conclusion: Canal preparation with Rotary files resulted in more conical canals when compared to manual instrumentation in primary teeth that contributes to more uniform obturation.KeywordsCBCT; Hand K-files; Kedo-S file system; Primary teeth; Pulpectomy; Rotary instrumentation.
Highlights
Pulpectomy is the treatment involving eradication of infected pulpal tissue in primary teeth preserving the integrity of dental tissues until it is naturally shed. [1] The pulpectomy technique should be fast and simple thereby enhancing the patient cooperation and reducing the operator fatigue
According to the American Academy of Pediatric Dentistry (AAPD 2014), a pulpectomy is indicated in a primary tooth with irreversible pulpitis or necrosis or a tooth planned for pulpotomy in which the radicular pulp exhibits clinical signs of irreversible pulpitis. [2]
Root canal preparation in primary teeth is usually performed with conventional hand files
Summary
Pulpectomy is the treatment involving eradication of infected pulpal tissue in primary teeth preserving the integrity of dental tissues until it is naturally shed. [1] The pulpectomy technique should be fast and simple thereby enhancing the patient cooperation and reducing the operator fatigue. [4] It was concluded that the use of Ni–Ti rotary files for root canal preparation in primary teeth was faster, cost effective and resulted in consistently uniform and predictable fillings. [6] An exclusive pediatric rotary file with modified length and taper introduced for canal preparation in primary teeth is the Kedo-s rotary file system (Reeganz dental care Pvt.Ltd.India). It consists of three NiTi files namely D1, E1 and U1 with the tip diameter of 0.25mm, 0.30mm and 0.40mm respectively and has a variably variable [VV] taper. The aim of the present study, was to comparatively evaluate the efficacy of Kedo-s rotary files in shaping of the primary root canals
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