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Mechanical properties and antibacterial effects of glass ionomer cement containing gallium phosphate glass (GPG)

Kim DA, Kim GR, Lee JH, Lee HH

This study investigated the mechanical properties and antibacterial activity of glass ionomer cement (GIC) containing 1 mol% or 5 mol% gallium phosphate glass (GPG) powder. GPG were added to conventional...
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Experimental Investigation on the Tissue Response Induced by Face-Lifting Mesh Suspension Thread in Rats

Kim JE, Kim YH, Park AY, Lee HJ, Lee JH

BACKGROUND: Face-lifting procedures are often performed to hide the effects of aging. Thread-lifting, a minimally invasive technique for the correction of facial aging, has become increasingly popular, and various materials...
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Comparison of Biomechanical Properties of Dura Mater Substitutes and Cranial Human Dura Mater : An In Vitro Study

Kizmazoglu C, Aydin HE, Kaya I, Atar M, Husemoglu , Kalemci O, Sozer G, Havitcioglu H

OBJECTIVE: The aim of this study was to investigate the biomechanical differences between human dura mater and dura mater substitutes to optimize biomimetic materials. METHODS: Four groups were investigated. Group I...
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Biomechanical Properties of the Cranial Dura Mater with Puncture Defects: An In Vitro Study

Aydın HE, Kızmazoglu C, Kaya I, Husemoglu , Sozer G, Havıtcıoglu H, Arslantas

OBJECTIVE: The primary aim of this investigation was to explore the nature of dura mater biomechanics following the introduction of puncture defect(s). METHODS: Twenty-eight dura mater specimens were collected during autopsy...
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Barbed sutures versus conventional tenorrhaphy in flexor tendon repair: An ex vivo biomechanical analysis

Çolak Ã, Kankaya Y, Sungur N, Özer K, Gürsoy K, Åžerbetçi K, Koçer U

BACKGROUND: The management of flexor tendon injuries has evolved in recent years through industrial improvements in suture materials, refinements of repair methods, and early rehabilitation protocols. However, there is no...
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A Comparative Study of Tensile Strength of Three Operative Fixation Techniques for Metacarpal Shaft Fractures in Adults: A Cadaver Study

Oh JR, Kim DS, Yeom JS, Kang SK, Kim YT

BACKGROUND: We sought to estimate the ultimate tensile strength after metacarpal shaft fracture repair in adults using three operative fixation methods: plate fixation, Kirschner wire (K-wire) fixation, and intramedullary headless...
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A Comparison of the Effects of Silica and Hydroxyapatite Nanoparticles on Poly(ε-caprolactone)-Poly(ethylene glycol)-Poly(ε-caprolactone)/Chitosan Nanofibrous Scaffolds for Bone Tissue Engineering

Raeisdasteh Hokmabad V, Davaran S, Aghazadeh , Alizadeh E, Salehi R, Ramazani A

BACKGROUND: The major challenge of tissue engineering is to develop constructions with suitable properties which would mimic the natural extracellular matrix to induce the proliferation and differentiation of cells. Poly(ε-caprolactone)-poly(ethylene...
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Mechanical properties and cytotoxicity of PLA/PCL films

Jeong H, Rho J, Shin JY, Lee DY, Hwang T, Kim KJ

Thermodynamically immiscible poly(lactic acid) (PLA) and poly(ε-caprolactone) (PCL) were blended and solution-cast by adding the 3% compatibilizer (tributyl citrate, TBC) of the PCL weight. In the PLA/PCL composition range of...
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The effect of zirconia surface architecturing technique on the zirconia/veneer interfacial bond strength

Her SB, Kim KH, Park SE, Park EJ

PURPOSE: The purpose of this study was to evaluate the effect of the zirconia surface architecturing technique (ZSAT) on the bond strength between veneering porcelain and zirconia ceramic. MATERIALS AND METHODS:...
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Oral tissue response to soft tissue expanders prior to bone augmentation: in vitro analysis and histological study in dogs

Yoo JM, Ben Amara , Kim MK, Song JD, Koo KT

PURPOSE: To determine whether the swelling and mechanical properties of osmotic self-inflating expanders allow or not the induction of intraoral soft tissue expansion in dogs. METHODS: Three different volumes (0.15, 0.25,...
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Dorsal Spinal Ligamentum Flavum Thickening: A Magnetic Resonance Imaging Study

Chelladurai A, Balasubramaniam S, Anbazhagan SP, Gnanasihamani S, Ramaswami

STUDY DESIGN: A retrospective radiological study of the ligamentum flavum (LF). PURPOSE: We determined the relationship of dorsal spinal LF thickening with age and sex using magnetic resonance imaging (MRI). We...
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Feasibility of Polycaprolactone Scaffolds Fabricated by Three-Dimensional Printing for Tissue Engineering of Tunica Albuginea

Yu HS, Park J, Lee HS, Park SA, Lee DW, Park K

PURPOSE: To investigate the feasibility of a polycaprolactone (PCL) scaffold fabricated by three-dimensional (3D) printing for tissue engineering applications for tunica albuginea. MATERIALS AND METHODS: PCL scaffolds were fabricated by use...
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Micronized Cross-Linked Human Acellular Dermal Matrices: An Effective Scaffold for Collagen Synthesis and Promising Material for Tissue Augmentation

Park TH, Choi WY, Lee JH, Lee WJ

Micronized cross-linked human acellular dermal matrices (ADMs) contain the extracellular components necessary for cell integration and tissue remodeling, and have high tensile strength and durability. We hypothesized that such material...
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Biodegradation and Biocompatibility of Poly L-lactic Acid Implantable Mesh

Yoon SD, Kwon YS, Lee KS

PURPOSE: The purpose of this study was to evaluate the biodegradation and biocompatibility of poly L-lactic acid (PLLA) implantable mesh under in vitro and in vivo conditions. METHODS: PLLA mesh was...
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Biomechanical Analysis of Resorbable Barbed Suture Tenorrhaphy

Lee SH, Kim SH, Oh HY, Park ES, Shin HS, Jung SG

PURPOSE: To evaluate the tensile strength and repair-site profile of a technique of resorbable barbed suture tenorrhaphy. METHODS: Forty-eight flexor digitorum profundus tendons were collected from the 8 adult cadavers. In...
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The Effect of Platelet Rich Plasma Dosage on the Tendon Healing in Rabbits

Kim MW, Lim O, Hwang SM, Hwang MK, Lee JS

PURPOSE: Autologous platelet rich plasma (PRP) has been known to enhance tendon healing and improve tensile strength after tendon injury. This study investigated the dosage of PRP to increase the...
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Electrospun Fibrous Silk Fibroin/Poly(L-Lactic Acid) Scaffold for Cartilage Tissue Engineering

Liu W, Li Z, Zheng L, Zhang X, Liu P, Yang T, Han B

For successful tissue engineering of articular cartilage, a scaffold with mechanical properties that match those of natural cartilage as closely as possible is needed. In the present study, we prepared...
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Grafting Collagen on Poly (Lactic Acid) by a Simple Route to Produce Electrospun Scaffolds, and Their Cell Adhesion Evaluation

Ospina-Orejarena A, Vera-Graziano R, Castillo-Ortega MM, Hinestroza JP, Rodriguez-Gonzalez M, Palomares-Aguilera L, Morales-Moctezuma M, Maciel-Cerda A

Increasing bioactivity and mechanical properties of polymers to produce more suitable scaffold for tissue engineering is a recurrent goal in the development of new biomedical materials. In this study, collagen-functionalized...
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Tensile bond strength between auto-polymerized acrylic resin and acrylic denture teeth treated with MF-MA solution

Thongrakard T, Wiwatwarrapan C

PURPOSE: This study evaluated the effect of chemical surface treatment using methyl formate-methyl acetate (MF-MA) solution on the tensile bond strength between acrylic denture teeth and auto-polymerized acrylic resin. MATERIALS AND...
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Fabrication and Characterization of Hydrocolloid Dressing with Silk Fibroin Nanoparticles for Wound Healing

Lee OJ, Kim JH, Moon BM, Chao JR, Yoon J, Ju HW, Lee JM, Park HJ, Kim DW, Kim SJ, Park HS, Park CH

Hydrocolloid dressings have been developed for many types of wound healing. In particular, dressing is a critical component in the successful recover of burn injuries, which causes a great number...
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