[No Title Available]

Limongi, Orlando; Albuquerque, Diana Santana de; Baratto‐Filho, Flares; Vanni, José Roberto; Oliveira, Elias Pandonor Motcy de; Barletta, Fernando Branco

doi:10.1590/s0103-64402007000400003

Cited by 6 publications

(1 citation statement)

References 17 publications

(12 reference statements)

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“…[51129] The aim of hybrid techniques is to increase the apical diameter through a procedure that additionally minimizes the concentration of forces at the tip of the rotary instruments, reducing the risk of file fracture. [11] The technique allows the use of several instruments.…”

Section: Discussionmentioning

confidence: 99%

Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis

et al. 2014

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Aim:The aim of the following study is to evaluate the cleaning capacity of a hybrid instrumentation technique using Reamer with Alternating Cutting Edges (RaCe) system files in the apical third of mesial roots of mandibular molars.Materials and Methods:Twenty teeth were selected and separated into two groups (n = 20) according to instrumentation technique as follows: BioRaCe - chemomechanical preparation with K-type files #10 and #15; and files BioRaCe BR0, BR1, BR2, BR3, and BR4; HybTec - hybrid instrumentation technique with K-type files #10 and #15 in the working length, #20 at 2 mm, #25 at 3 mm, cervical preparation with Largo burs #1 and #2; apical preparation with K-type files #15, #20, and #25 and RaCe files #25.04 and #30.04. The root canals were irrigated with 1 ml of 2.5% sodium hypochlorite at each change of instrument. The specimens were histologically processed and photographed under light optical microscope. The images were inserted onto an integration grid to count the amount of debris present in the root canal.Results:BioRaCe presented the highest percentage of debris in the apical third, however, with no statistically significant difference for HybTec (P > 0.05).Conclusions:The hybrid technique presented similar cleaning capacity as the technique recommended by the manufacturer.

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Section: Discussionmentioning

confidence: 99%

Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis

et al. 2014

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Comparison of dentine removal using V‐taper and K‐Flexofile instruments

et al. 2010

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Akhlaghi NM, Kahali R, Abtahi A, Tabatabaee S, Mehrvarzfar P, Parirokh M. Comparison of dentine removal using V-taper and K-Flexofile instruments.Aim To compare the dentine removal ability of VTaper and K-Flexofile instruments in mesiobuccal canals of extracted mandibular first molar teeth. Methodology Preoperative images of 40 mesiobuccal canals of mandibular first molars (with a curvature between 20°and 35°) were obtained at 2, 4.5, and 7 mm from the root apices by CT-scan and divided into two groups. Group F was prepared with K-Flexofiles and Gates Glidden drills and Group V with V-Taper Ni-Ti rotary and stainless steel hand instruments. Post-instrumentation images were then obtained and compared with the preoperative images. The ratio of dentine removal based on pre-and postoperative images was calculated, and data was analysed by anova and Tukey post hoc test. Results In group F in the coronal sections, the least ratio of the dentine removal to the initial root thickness was on the buccal aspect (15.14% ± 6.72), and the greatest ratio was found on the distolingual (29.38% ± 8.19). In group V in the coronal, the least ratio of the dentine removal to the initial root thickness was on the buccal aspect (9.81% ± 3.26); the greatest ratio was found on the distolingual surface in the coronal sections (34.38% ± 10.51). In the middle sections, the least ratio was on the buccal (10.51% ± 3.39) and the greatest on the distolingual aspects (27.46% ± 12.34) of the roots. In the apical sections, the amount of the dentine removed from the mesial and distal surfaces in group V was significantly more than group F (P < 0.01). Conclusion The distolingual aspect of the root canal is a danger zone for the mesiobuccal canal of the mesial root in mandibular molar teeth, and preparation of that area should be performed with caution. Except the apical part of the canal, no significant difference was found between the two preparation files or techniques used. Apart from the apical part of the canal, neither instrument maintained the original shape of the coronal and middle parts of the canal.

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A Comparative Study of Rotary Instrumentation of the Maxillary First Premolar Buccal Root Utilizing Cone Beam Computed Tomography

Zigo

2011

VCU Theses and Dissertations

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[No Title Available]

Cited by 6 publications

References 17 publications

Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis

Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis

Comparison of dentine removal using V‐taper and K‐Flexofile instruments

A Comparative Study of Rotary Instrumentation of the Maxillary First Premolar Buccal Root Utilizing Cone Beam Computed Tomography

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