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Treatment of Exposed Hydroxyapatite Orbital Implants Wrapped with a Synthetic Dura Substitute

Shin WB, Ko J, Yoon JS

PURPOSE: To describe cases of exposed hydroxyapatite (HA) implants wrapped with the synthetic dura substitute Neuro-Patch treated via simple Neuro-Patch removal. METHODS: The medical records of seven patients who experienced exposure...
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Effects of energy level, reconstruction kernel, and tube rotation time on Hounsfield units of hydroxyapatite in virtual monochromatic images obtained with dual-energy CT

Jeong DK, Lee SS, Kim JE, Huh KH, Yi WJ, Heo MS, Choi SC

PURPOSE: This study was performed to investigate the effects of energy level, reconstruction kernel, and tube rotation time on Hounsfield unit (HU) values of hydroxyapatite (HA) in virtual monochromatic images...
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The Evaluation of the Short-Term Voice Outcome of Injection Laryngoplasty Using Two Types of Calcium Hydroxylapatite (Radiesse versus Facetem)

Lee HH, Park SJ, Park YH

BACKGROUND AND OBJECTIVES: Radiesse® is a widely used calcium hydroxyapatite (CaHA) injection material used for vocal fold injection. Recently, a new CaHA injection material (Facetem ®) which complements the structural...
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Hydroxyapatite Coatings on Titanium Using Electrochemical Deposition Method at Body Fluid Temperature

Kim SC, Hwang MJ, Lee WY, Park YJ, Song HJ

In this study, hydroxyapatite (HAp) was coated on titanium using electrochemical deposition (ECD) method at body fluid temperature. The titanium specimens for ECD were prepared by chemically etching treatment using...
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Unsintered Hydroxyapatite and Poly-L-Lactide Composite Screws/Plates for Stabilizing β-Tricalcium Phosphate Bone Implants

Sakamoto A, Okamoto T, Matsuda S

Unsintered hydroxyapatite (u-HA) and poly-L-lactide (PLLA) composites (u-HA/PLLA) are osteoconductive and biodegradable. Screw (Super-Fixsorb MX30) and plate (Super-Fixsorb MX40 Mesh) systems made of u-HA/PLLA are typically used in small bones...
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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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Cervical Open-Door Laminoplasty by Hydroxyapatite Implant Insertion Without Suturing

Kawanabe Y, Fujimoto M, Sato T

OBJECTIVE: To assess the efficacy of cervical open-door laminoplasty by hydroxyapatite implant insertion between the lamina and the lateral mass without suturing. METHODS: All patients who underwent cervical open-door laminoplasty with...
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Efficacy of Calcium Hydroxyapatite in Vocal Fold Augmentation for Unilateral Vocal Fold Paralysis in Asian

Lee DY, Chung EJ, Kwon SK

BACKGROUND AND OBJECTIVES: This study aimed to evaluate efficacy and complication of injection laryngoplasty using calcium hydroxyapatite (CaHA) for unilateral vocal fold paralysis in Asian. MATERIALS AND METHODS: A prospective study...
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Novel Hybrid Hydroxyapatite Spacers Ensure Sufficient Bone Bonding in Cervical Laminoplasty

Tanaka N, Nakanishi , Kamei N, Nakamae T, Kotaka S, Fujimoto Y, Ochi M, Adachi N

STUDY DESIGN: Prospective observational study. PURPOSE: This prospective analysis aimed to evaluate the efficacy and bone-bonding rate of hybrid hydroxyapatite (HA) spacers in expansive laminoplasty. OVERVIEW OF LITERATURE: Various types of spacers...
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Hydroxyapatite Nanorod-Modified Sand Blasted Titanium Disk for Endosseous Dental Implant Applications

Park SJ, Kim BS, Gupta KC, Lee DY, Kang IK

BACKGROUND: Sand blasted titanium (Ti) is commonly used in designing endosseous dental implants due to its biocompatibility and ability to form bonds with bone tissues. However, titanium implants do not...
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Nontuberculous Mycobacterial Infection after Removal of the Exposed Hydroxyapatite

Song YY, You IC, Ahn M

No abstract available.
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Evaluation of bone healing using rhBMP-2 soaked hydroxyapatite in ridge augmentation: a prospective observational study

Kim HS, Park JC, Yun PY, Kim YK

BACKGROUND: The goal of this study is to evaluate complication and effectiveness of alveolar ridge augmentations using a hydroxyapatite-based alloplastic bony substitute with rhBMP-2. METHODS: A total of 10 patients (4...
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Comparison of Clinical and Radiological Outcomes of Lumbar Interbody Fusion Using a Combination of Hydroxyapatite and Demineralized Bone Matrix and Autografts for Lumbar Degenerative Spondylolisthesis

Gatam AR, Gatam L, Lumban Tobing SD

STUDY DESIGN: Prospective, cohort, non-inferiority study. PURPOSE: This study evaluated the clinical and radiological outcomes of interbody fusion using a combination of demineralized bone matrix (DBM) and hydroxyapatite (HA). OVERVIEW OF LITERATURE:...
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Periimplant Bone Regeneration in Hydroxyapatite Block Grafts with Mesenchymal Stem Cells and Bone Morphogenetic Protein-2

Park JH, Jung YE, Kim MJ, Hwang SJ

Hydroxyapatite (HA) blocks as an alternative material for autogenous onlay bone grafts are regarded as an insufficient substitute for osseointegration of dental implant. In this study, we evaluated the effects...
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Effect of hydroxyapatite on critical-sized defect

Kim RW, Kim JH, Moon SY

BACKGROUND: Xenologous or synthetic graft materials are commonly used as an alternative for autografts for guided bone regeneration. The purpose of this study was to evaluate effectiveness of carbonate apatite...
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Matched Comparison of Fusion Rates between Hydroxyapatite Demineralized Bone Matrix and Autograft in Lumbar Interbody Fusion

Kim DH, Lee N, Shin DA, Yi S, Kim KN, Ha Y

OBJECTIVE: To compare the fusion rate of a hydroxyapatite demineralized bone matrix (DBM) with post-laminectomy acquired autograft in lumbar interbody fusion surgery and to evaluate the correlation between fusion rate...
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Porous Crosslinked Polycaprolactone Hydroxyapatite Networks for Bone Tissue Engineering

Koupaei N, Karkhaneh

In this study, porous scaffolds were produced by a thermal crosslinking of polycaprolactone diacrylate in the presence of hydroxyapatite (HA) and particulate leaching technique with sodium chloride as the water...
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Evaluation of the whitening and remineralization effects of a mixture of amorphous calcium phosphate, hydroxyapatite and tetrasodium pyrophosphate on bovine enamel

Lee YE, Park DO, Jung YS, Song KB

OBJECTIVES: The purpose of the present study was to evaluate the whitening effect, morphological and structural changes, and remineralization of the enamel induced by 3 combined agents: amorphous calcium phosphate...
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Bone Union Rate Following Instrumented Posterolateral Lumbar Fusion: Comparison between Demineralized Bone Matrix versus Hydroxyapatite

Nam WD, Yi J

STUDY DESIGN: Retrospective study. PURPOSE: To compare the union rate of posterolateral lumbar fusion (PLF) using demineralized bone matrix (DBM) versus hydroxyapatite (HA) as bone graft extender. OVERVIEW OF LITERATURE: To our...
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A Comparison of Implants Used in Double Door Laminoplasty : Allogeneic Bone Spacer versus Hydroxyapatite Spacer

Lee DY, Lee CK, Kim IS

OBJECTIVE: The aim of this study was to compare the clinical and radiological outcomes associated with the use of hydroxyapatite (HA) spacer and allogeneic bone (AB) spacer in laminoplasty. METHODS: From...
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