Results 101 to 110 of about 1,143,710 (211)

Comparison of cyclic fatigue resistance of novel nickel-titanium rotary instruments

, 2015
New files (ProTaper Next/HyFlex/OneShape) are made from novel nickel-titanium (NiTi) alloys/treatments. The purpose of this study was to compare the cyclic fatigue resistance of these new instruments with that of Revo-S instruments.
ERTAŞ, HÜSEYİN, ARSLAN, Hakan, ÇAPAR, İSMAİL DAVUT   +2 more
core   +1 more source

Form Before Capability? AI Governance Adoption, Functional Capability, and the Limits of Index‐Based Evidence in the Global South

Regulation &Governance, EarlyView.
ABSTRACT Governments across the developing world have adopted artificial intelligence governance instruments at high speed, though the relationship between formal adoption and the capability to operate those instruments remains poorly understood. This article asks whether the expansion of AI governance architecture across the Global South has been ...
Anis Ben Brik
wiley   +1 more source

Comparison of Cyclic Fatigue Resistance Between Different NiTi Instruments With 4% Taper

, 2016
The aim of this study was to make a comparison between the cyclic fatigue (CF) resistance of F360, twisted files (TF), FlexMaster (FM) and RaCE instruments with 4% taper. A total of 40 instruments were evaluated 8 mm from the tip. A stainless steel block
UYGUN, Ahmet Demirhan, Seckin, Fatih, Tanriver, Mehmet, Ersoy, Ibrahim, KOL KILINÇ, Elif   +4 more
core   +1 more source

Comparative Buckling Strength and Metallurgical Analysis of Five Classic NiTi Endodontic Rotary Files

European Endodontic Journal
Objective: Nickel-titanium (NiTi) rotary instruments have revolutionized endodontic practice through continuous advancements in metallurgy and design. Despite these improvements, mechanical failure remains a clinical concern. This study aimed to evaluate
Abayomi Baruwa, Duarte Marques, João Caramês, Francisco Manuel Braz Fernandes, Jorge Martins   +4 more
doaj   +1 more source

Risk Factors for Peritonitis Associated With Endoscopic Ultrasound‐guided Hepaticogastrostomy

DEN Open, Volume 7, Issue 1, April 2027.
ABSTRACT Background and Objectives Endoscopic ultrasound‐guided hepaticogastrostomy (EUS‐HGS) is an alternative therapeutic option for unsuccessful endoscopic retrograde cholangiopancreatography in patients with malignant biliary obstruction.
Junya Sato, Hirotoshi Ishiwatari, Hiroki Sakamoto, Takuya Doi, Masahiro Yamamura, Kazunori Takada, Masao Yoshida, Sayo Ito, Noboru Kawata, Kenichiro Imai, Kinichi Hotta, Hiroyuki Ono   +11 more
wiley   +1 more source

Cyclic fatigue testing of ProTaper NiTi rotary instruments after clinical use

, 2004
Purpose. The purpose of this study was to evaluate the cyclic fatigue of ProTaper nickel-titanium (NiTi) rotary instruments (Tulsa Dental, Tulsa, Okla) after multiple clinical uses. Study design.
D. Fife, D Fife, GAMBARINI, Gianluca, L. R. Britto, G Gambarini, L.R Britto   +5 more
core   +1 more source

Structure and thermomechanics of selective laser melted nickel-titanium [PDF]

, 2015
NiTi has been established for applications in load-bearing implants due to its mechanical properties, which mimic the characteristics of bone better than any other known biocompatible metal or metallic alloy.
Bormann, Anna Therese
core   +1 more source

Clinical Outcomes of Multi‐Hole Covered Self‐Expandable Metal Stents for Malignant Distal Biliary Obstruction: A Retrospective Comparative Study With an Exploratory Evaluation of 6‐mm Devices

DEN Open, Volume 7, Issue 1, April 2027.
ABSTRACT Objectives Covered self‐expandable metal stents (CSEMS) are widely used for malignant distal biliary obstruction (MDBO), but cholecystitis, post‐endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP), stent migration, and recurrent biliary obstruction (RBO) remain clinically important limitations.
Akinobu Koiwai, Yuki Miyashita, Nana Inomata, Takehito Ito, Morihisa Hirota, Kennichi Satoh   +5 more
wiley   +1 more source

Cyclic Fatigue Resistance of Three Single-use NiTi Instruments after Immersion in Sodium Hypochlorite

, 2014
The aim of this in vitro study was to compare the cyclic fatigue resistance of three single-use (NiTi) instruments (One Shape, Reciproc and Wave One) after immersion in sodium hypochlorite (NaOCl) solution over several time periods. A total of 135 One
BIANCHI, STEFANO, POGGIO, CLAUDIO, BELTRAMI, RICCARDO, COLOMBO, MARCO, DAGNA, ALBERTO, CHIESA, MARCO   +5 more
core   +1 more source

Skeletal Effects of Slow Maxillary Expansion in Mixed Dentition Stage: A Systematic Review and Meta‐Analysis

Clinical and Experimental Dental Research, Volume 12, Issue 6, December 2026.
ABSTRACT Objectives Many cases of maxillary arch expansion require skeletal improvement of varying degrees. Therefore, the current systematic review and meta‐analysis aim to evaluate the effectiveness of the most widespread slow maxillary expansion (SME) in achieving the necessary skeletal changes during the mixed dentition stage in addition to ...
Suzan Ahmad Ibraheem, Tuqa Raghis, Mawia Karkoutly, Mohamed Youssef   +3 more
wiley   +1 more source