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Comparison of Mechanical Properties of Milled and Casted Cobalt-Chromium Alloys Using Three-point Bending Test

Hong JK, Kim SK, Heo SJ, Koak JY, Ahn JS

PURPOSE: The objective of this study was to investigate the mechanical properties of Cobalt-Chromium (Co-Cr) alloys made by conventional casting method and Computer-Aided Design/Computer–Aided Manufacturing (CAD-CAM) milling method. MATERIAL AND METHODS:...
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Platelet-Rich Plasma Pretreatment on Grit-Blasted Titanium Alloy for Enhanced Osteogenic Differentiation of Human Adipose-Derived Stem Cells

Hong SH, Nam J, Kim HJ, Yoo JJ

BACKGROUND: Adequate bone formation around titanium alloy implants is integral to successful implantation surgery. Stem cell-coated implants may accelerate peri-implant bone formation. This study investigates the effect of platelet-rich plasma...
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Biodegradable Magnesium Alloy Stents as a Treatment for Vein Graft Restenosis

Li Y, Wang L, Chen S, Yu D, Sun W, Xin S

PURPOSE: To explore the effects of biodegradable magnesium alloy stents (BMAS) on remodeling of vein graft (VG) anastomotic restenosis. MATERIALS AND METHODS: To establish a VG restenosis model, seventy two New...
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Correction of Single Thoracic Adolescent Idiopathic Scoliosis Using Pedicle Screw Instrumentation: Comparison of Stainless Steel to Titanium Alloy Instruments

Kim SS, Lim DJ, Kim JH, Choi BW, Kim HY, Lee JS

PURPOSE: To compare the results of two different instruments made of stainless steel and titanium alloy for correction of single thoracic adolescent idiopathic scoliosis (AIS) using pedicle screw instrumentation. MATERIALS AND...
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Effects of primers on the microtensile bond strength of resin cements to cobalt-chromium alloy

Jung HT, Campana SA, Park JH, Shin JH, Lee JY

PURPOSE: The aim of this study is to evaluate the effects of various primers on the microtensile bond strength (µTBS) of resin cements to cobalt-chromium (Co-Cr) dental casting alloy. MATERIALS AND...
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Evaluation of bioactivity and osseointegration for ti-6al-4v alloy implant modified by anodic oxidation and cyclic precalcification treatments

Jang YS, Kang JY, Lee KG, Lim CH, Lee MH, Bae TS

The aim of this study was to examine the bioactivity and osseointegration of Ti-6Al-4V alloy implant which was modified by an anodic oxidation and a cyclic precalcification treatments. After blasting...
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Titanium Powder Coating Using Metal 3D Printing: A Novel Coating Technology for Cobalt-Chromium Alloy Implants

Kim SC, Jo WL, Kim YS, Kwon SY, Cho YS, Lim YW

BACKGROUND: Three-dimensional (3D) printing with a direct metal fabrication (DMF) technology has been innovatively introduced in the field of surface treatment of prostheses. The purpose of this study was to...
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Bone and tissue reaction of porous nickel-titanium alloy implant for dental implants in rabbits

Min GH, Lee KH, Sung SJ, Lee WP, Yu SJ, Kim BO

Porous nickel–titanium (Ni-Ti) alloy implants have been previously introduced, and many studies have been performed. Porous Ni-Ti alloys have excellent properties for use in the dental field. Thus, the use...
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Effect of silane and alkali treatment on the shear bond strength between two Ni-Cr alloys and acrylic resin

Park1 KS, Kwon TY

Sufficient bonding between the framework of the cast alloy and the denture base resin is essential for the clinical success of removable partial dentures. In this study, we investigated whether...
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Changes in hardness and microstructure of a Pd-Ag-In-Ga-based metal-ceramic alloy during porcelain firing simulation and subsequent cooling

Shin HJ, Kwon YH, Seol HJ

In this experiment, the alloy having the composition of 49.5Pd-40Ag-9In-1Ga (wt.%) was used to find the most effective cooling rate for the hardening of alloy during porcelain firing simulation. In...
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Shape memory alloy actuation of non-bonded piezo sensor configuration for bone diagnosis and impedance based analysis

Srivastava S, Bhalla S, Madan A

In the recent years, there has been a growing interest in research community towards the application of smart materials for bio-medical structural health monitoring. Amongst the smart materials, directly bonded...
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Comparative clinical study of the marginal discrepancy of fixed dental prosthesis fabricated by the milling-sintering method using a presintered alloy

Kim M, Kim J, Mai HN, Kwon TY, Choi YD, Lee CH, Lee DH

PURPOSE: The present study was designed to examine the clinical fit of fixed dental prosthesis fabricated by the milling-sintering method using a presintered cobalt-chromium alloy. MATERIALS AND METHODS: Two single metal-ceramic crowns...
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Change of optical properties and microstructure of an Ag-Pd-In alloy according to Ag content

Seol HJ, Cho SY, Cho MH

In this study, change of optical properties and microstructure of an Ag-Pd-In alloy according to Ag content was investigated. For this purpose, specimen alloys were prepared by adding 0–100 wt.%...
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Precision of the milled full-arch framework fabricated using pre-sintered soft alloy: A pilot study

Woo HW, Cho SA, Lee CH, Lee KB, Cho JH, Lee DH

PURPOSE: This study aimed to evaluate the marginal discrepancy of full-arch frameworks in implant-supported prostheses fabricated using pre-sintered soft alloy (PSA). MATERIALS AND METHODS: Full-arch metal frameworks were fabricated on the...
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Effect of cooling rate during oxidation treatment on the hardness change by post firing heat treatment of a Pd-Cu-Ga-Zn alloy after simulated porcelain firing

Kim MJ, Shin HJ, Kwon YH, Kim HI, Seol HJ

Effect of cooling rate during oxidation treatment on the hardness change by post firing heat treatment of a Pd-Cu-Ga-Zn alloy after simulated porcelain firing was investigated and the following results...
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Metal-ceramic bond strength between a feldspathic porcelain and a Co-Cr alloy fabricated with Direct Metal Laser Sintering technique

Dimitriadis K, Spyropoulos K, Papadopoulos T

PURPOSE: The aim of the present study was to record the metal-ceramic bond strength of a feldspathic dental porcelain and a Co-Cr alloy, using the Direct Metal Laser Sintering technique...
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Corrosion Behaviors of Dental Implant Alloy after Micro-sized Surface Modification in Electrolytes Containing Mn Ion

Kang JI, Son MK, Choe HC

PURPOSE: The purpose of this study was to investigate the corrosion behaviors of dental implant alloy after micro-sized surface modification in electrolytes containing Mn ion. MATERIALS AND METHODS: Mn-TiOâ‚‚ coatings were...
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The effect of fluoride-containing oral rinses on the corrosion resistance of titanium alloy (Ti-6Al-4V)

Huang GY, Jiang HB, Cha JY, Kim KM, Hwang CJ

OBJECTIVE: The purpose of this study was to examine the effect of commercially available fluoride-containing oral rinses on the corrosion behavior of titanium alloys, which are the main components of...
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Comparison of mechanical and biological properties of zirconia and titanium alloy orthodontic micro-implants

Choi HW, Park YS, Chung SH, Jung MH, Moon W, Rhee SH

OBJECTIVE: The aim of this study was to compare the initial stability as insertion and removal torque and the clinical applicability of novel orthodontic zirconia micro-implants made using a powder...
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Electrochemical Characteristics of Nanotubular Ti-25Nb-xZr Ternary Alloys for Dental Implant Materials

Byeon IS, Park SY, Choe HC

PURPOSE: The purpose of this study was to investigate the electrochemical characteristics of nanotubular Ti-25Nb-xZr ternary alloys for dental implant materials. MATERIALS AND METHODS: Ti-25Nb-xZr alloys with different Zr contents (0,...
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