Results 1 to 10 of about 3,380,250 (279)

Analysis of Apical Transportation and Canal Centering Ability During Root Canal Preparation by Using Cone-Beam Computed Tomography (in Vitro Study) [PDF]

Sulaimani Dental Journal, 2018
Objective: One of the goals of root canal preparation is to clean and shape the root canal system while maintaining the original configuration.
Khelan Amin, Bestoon Faraj
doaj   +3 more sources

Seismic efficiency of self-centering braced frame under near-field pulse-like ground motions [PDF]

مجله مدل سازی در مهندسی, 2018
This research investigates the efficiency of the self-centering steel braced frame equipped with replaceable yielding fuses and post-tensioning cables subjected to far-field records and near-field pulse-like ground motions.
نوید رهگذر, aboreza sarvghad moghadam, آرمین عظیمی نژاد   +2 more
doaj   +2 more sources

Centering ability, canal transportation and surface modifications of ProTaper F2 and F3 used in continuous rotation and reciprocating motion in curved root canals

Revista da Faculdade de Odontologia de Porto Alegre, 2019
Aims: To evaluate the centering ability, canal transportation and surface modifications of F2 and F3 ProTaper Universal (PT) instruments used in continuous rotation (CR) and reciprocating motion (RM) for the preparation of curved root canals.
Jader Vinicius Andreazza, Miguel Assis Martins dos Santos, Lucas Siqueira Pinheiro, Júlia Eick Iglesias, Fernanda Ulmann Lopez, Fabiana Soares Grecca   +5 more
doaj   +1 more source

Micro-Computed Tomographic Evaluation of the Shaping Ability of Vortex Blue and TruNatomy^TM Ni-Ti Rotary Systems

Crystals
This study aimed to assess and evaluate the canal shaping ability of two different Ni-Ti rotary systems, Vortex Blue (VB) and TruNatomy (TN), using micro-computed tomography in extracted premolars.
Batool Alghamdi, Mey Al-Habib, Mona Alsulaiman, Lina Bahanan, Ali Alrahlah, Leonel S. J. Bautista, Sarah Bukhari, Mohammed Howait, Loai Alsofi   +8 more
doaj   +1 more source

Transportation and Canal Centering Ability of Reciprocating vs Full Rotating Files after Instrumenting Severely Curved Canals. A Cone Beam Computed Tomography Comparative Study

Annali di Stomatologia
Background: Canal curvature is a major risk factor for canal transportation, which in turn causes that many parts of the root canal system remain untouched leading to persistence of microorganisms and debris, promoting structural weakening, and ...
Maya Eter, Roula S Abiad
doaj   +1 more source

Comparative evaluation of the effect of conventional and truss access cavities on remaining dentin thickness, canal transportation, and canal centering ability in mandibular molars using cone-beam computed tomography

Endodontology, 2023
Aim: To evaluate and compare the effect of conventional and truss access cavity preparations on remaining dentin thickness (RDT), canal transportation, and centering ability in mandibular molars using cone-beam computed tomography (CBCT).
Karkala Venkappa Kishan, Krushn Savaliya, Manan Shroff, Purnima Saklecha   +3 more
doaj   +1 more source

Ductility characteristics of concrete frames reinforced with superelastic shape memory alloys

Alexandria Engineering Journal, 2018
Self-centering structural systems are getting attention due to their ability of reducing damage and repair expenses due to earthquakes. A portion of recent research initiatives on self-centering is focused on utilizing superelastic shape memory alloys ...
Hamdy Abou-Elfath
doaj   +1 more source

Evaluation of dentin thickness preservation and the efficiency of instrumentation between traditional and guided endodontic access in mandibular central incisors

Journal of Oral Biology and Craniofacial Research
Introduction: Tooth substance loss during endodontic treatment is a major concern, especially in mandibular incisors due to their minimal tooth volume. Template-guided access cavities help preserve dentin and improve instrument centering.
Pooja R. Kesharani, Shalini D. Aggarwal, Nishtha K. Patel, Jhanvi Patel, Ankita Bansal, Naman Patel   +5 more
doaj   +1 more source

Shaping ability of Pathfile and WaveOne in simulated root canals

口腔疾病防治, 2017
Objective This study aims to evaluate the shaping capability of Pathfile and WaveOne in simulated root canals. Methods A total of 20 simulated resin blocks were divided randomly into two groups, group W prepared with WaveOne alone.
XIA Xinxin, FANG Fang, CHENG Lijuan
doaj   +1 more source

Shaping ability of HyFlex EDM and ProTaper Gold files with or without using glide path files: An in vitro study

Saudi Endodontic Journal
Introduction: The necessity of using a glide path before the canal preparation is inconclusive. Therefore, this study aimed to assess the shaping ability of two rotary systems in the maxillary first molars’ first mesiobuccal canal (MB1), with or without ...
Maryam Gharechahi, Harir Ahmadi, Maryam Forghanirad, Melika Hoseinzadeh, Anahita Nouri   +4 more
doaj   +1 more source