Publication: Shaping ability of novel nickel-titanium systems in printed primary molars.
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Date
2022-10-01
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Abstract
BackgroundManual or mechanized instruments can be used for root canal preparation. Manual instrumentation using K-files is widely used in primary teeth, but there are many limitations. Mechanized root canal preparation can lead to easy access to all canals, decrease instrumentation time, and result in more funnel-shaped root canals, resulting in a more predictable uniform paste fill.AimThis study aimed to evaluate the shaping ability and instrumentation time of VDW.ROTATE™ and EdgeTaper Platinum™ during the preparation of resin-printed primary molars. Hand K-files were used as a reference for comparison.DesignSixty-six resin-based maxillary second primary molars, obtained from extracted tooth cone-beam computed tomography (CBCT) image and printed on a three-dimensional printer, were divided into three groups: VDW.ROTATE™, EdgeTaper Platinum™, and K-files. The specimens were scanned using CBCT imaging before and after root canal preparation. Images were registered using a dedicated software, and changes (Δ) in the canal area, volume, and untouched canal surface were calculated. Instrumentation time was evaluated. Data were statistically analyzed using the SPSS program.ResultsThere was no significant difference among the tested file systems for Δ canal volume and area (p > .05). VDW.ROTATE™, however, showed significantly lower untouched canal surface area than other systems in all roots (p < .001). The VDW.ROTATE™ was found to be significantly faster (6.47 ± 0.39 min) than EdgeTaper Platinum™ (7.71 ± 0.73 min) and K-files (8.22 ± 0.72 min), (p < .05).ConclusionsThe shaping ability and the instrumentation time were directly influenced by the root canal instrumentation system used during the preparation of resin-printed primary molars, with VDW.ROTATE™ being the faster system and associated with the lower amount of untouched canal surface area.
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Diş Hekimliği, Klinik Bilimler, Endodonti, Sağlık Bilimleri, Dentistry, Clinical Sciences, Endodontics, Health Sciences, Klinik Tıp (MED), Klinik Tıp, DİŞ HEKİMLİĞİ, ORAL CERRAHİ VE TIP, Clinical Medicine (MED), CLINICAL MEDICINE, DENTISTRY, ORAL SURGERY & MEDICINE, Periodontoloji, Ortodonti, Ağız Cerrahisi, Diş Hijyeni, Dişçilik Hizmetleri, Diş Hekimliği (çeşitli), Periodontics, Orthodontics, Oral Surgery, Dental Hygiene, Dental Assisting, Dentistry (miscellaneous), General Dentistry, K-file, primary molars, printed resin teeth, rotary systems, three-dimensional printing
Citation
Güçyetmez Topal B., Falakaloğlu S., Silva E. J. N. L. , Gündoğar M., İriboz E., "Shaping ability of novel nickel-titanium systems in printed primary molars. ", INTERNATIONAL JOURNAL OF PAEDIATRIC DENTISTRY, cilt.1, sa.1, ss.1-10, 2022