Bioactive amorphous magnesium phosphate-polyetheretherketone composite filaments for 3D printing

•The composite filaments were successfully developed via melt-blending technique.•AMP-PEEK filaments can serve as feedstock for 3D printing of patient-specific implants.•The bioactivity of the composites significantly increased cell adhesion and proliferation.•AMP-PEEK facilitate in vivo osseointegr...

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Veröffentlicht in:Dental materials 2020-07, Vol.36 (7), p.865-883
Hauptverfasser: Sikder, Prabaha, Ferreira, Jessica A., Fakhrabadi, Ehsan Akbari, Kantorski, Karla Z., Liberatore, Matthew W., Bottino, Marco C., Bhaduri, Sarit B.
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container_end_page 883
container_issue 7
container_start_page 865
container_title Dental materials
container_volume 36
creator Sikder, Prabaha
Ferreira, Jessica A.
Fakhrabadi, Ehsan Akbari
Kantorski, Karla Z.
Liberatore, Matthew W.
Bottino, Marco C.
Bhaduri, Sarit B.
description •The composite filaments were successfully developed via melt-blending technique.•AMP-PEEK filaments can serve as feedstock for 3D printing of patient-specific implants.•The bioactivity of the composites significantly increased cell adhesion and proliferation.•AMP-PEEK facilitate in vivo osseointegration and suitable bone regeneration capabilities. The aim of this study was to develop bioactive and osseointegrable polyetheretherketone (PEEK)-based composite filaments melt-blended with novel amorphous magnesium phosphate (AMP) particles for 3D printing of dental and orthopedic implants. A series of materials and biological analyses of AMP-PEEK were performed. Thermal stability, thermogravimetric and differential scanning calorimetry curves of as-synthesized AMP were measured. Complex viscosity, elastic modulus and viscous modulus were determined using a rotational rheometer. In vitro bioactivity was analyzed using SBF immersion method. SEM, EDS and XRD were used to study the apatite-forming ability of the AMP-PEEK filaments. Mouse pre-osteoblasts (MC3T3-E1) were cultured and analyzed for cell viability, proliferation and gene expression. For in vivo analyses, bare PEEK was used as the control and 15AMP-PEEK was chosen based on its in vitro cell-related results. After 4 or 12 weeks, animals were euthanized, and the femurs were collected for micro-computed tomography (μ-CT) and histology. The collected findings confirmed the homogeneous dispersion of AMP particles within the PEEK matrix with no phase degradation. Rheological studies demonstrated that AMP-PEEK composites are good candidates for 3D printing by exhibiting high zero-shear and low infinite-shear viscosities. In vitro results revealed enhanced bioactivity and superior pre-osteoblast cell function in the case of AMP-PEEK composites as compared to bare PEEK. In vivo analyses further corroborated the enhanced osseointegration capacity for AMP-PEEK implants. Collectively, the present investigation demonstrated that AMP-PEEK composite filaments can serve as feedstock for 3D printing of orthopedic and dental implants due to enhanced bioactivity and osseointegration capacity.
doi_str_mv 10.1016/j.dental.2020.04.008
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The aim of this study was to develop bioactive and osseointegrable polyetheretherketone (PEEK)-based composite filaments melt-blended with novel amorphous magnesium phosphate (AMP) particles for 3D printing of dental and orthopedic implants. A series of materials and biological analyses of AMP-PEEK were performed. Thermal stability, thermogravimetric and differential scanning calorimetry curves of as-synthesized AMP were measured. Complex viscosity, elastic modulus and viscous modulus were determined using a rotational rheometer. In vitro bioactivity was analyzed using SBF immersion method. SEM, EDS and XRD were used to study the apatite-forming ability of the AMP-PEEK filaments. Mouse pre-osteoblasts (MC3T3-E1) were cultured and analyzed for cell viability, proliferation and gene expression. For in vivo analyses, bare PEEK was used as the control and 15AMP-PEEK was chosen based on its in vitro cell-related results. After 4 or 12 weeks, animals were euthanized, and the femurs were collected for micro-computed tomography (μ-CT) and histology. The collected findings confirmed the homogeneous dispersion of AMP particles within the PEEK matrix with no phase degradation. Rheological studies demonstrated that AMP-PEEK composites are good candidates for 3D printing by exhibiting high zero-shear and low infinite-shear viscosities. In vitro results revealed enhanced bioactivity and superior pre-osteoblast cell function in the case of AMP-PEEK composites as compared to bare PEEK. In vivo analyses further corroborated the enhanced osseointegration capacity for AMP-PEEK implants. Collectively, the present investigation demonstrated that AMP-PEEK composite filaments can serve as feedstock for 3D printing of orthopedic and dental implants due to enhanced bioactivity and osseointegration capacity.</description><identifier>ISSN: 0109-5641</identifier><identifier>EISSN: 1879-0097</identifier><identifier>DOI: 10.1016/j.dental.2020.04.008</identifier><identifier>PMID: 32451208</identifier><language>eng</language><publisher>England: Elsevier Inc</publisher><subject>3-D printers ; 3D printing ; Amorphous magnesium phosphate ; AMP ; Animals ; Apatite ; Benzophenones ; Biological activity ; Biological analysis ; Biomedical materials ; Calorimetry ; Cell viability ; Computed tomography ; Dental Implants ; Dental materials ; Dental prosthetics ; Dental restorative materials ; Differential scanning calorimetry ; Filaments ; Gene expression ; Histology ; Implants ; Ketones ; Magnesium ; Magnesium Compounds ; Magnesium phosphate ; Mechanical properties ; Mice ; Modulus of elasticity ; Orthopaedic implants ; Orthopedics ; Osseointegration ; Osteoblasts ; Phosphates ; Polyether ether ketones ; Polyetheretherketone ; Polyethylene Glycols ; Polymer matrix composites ; Polymers ; Printing ; Printing, Three-Dimensional ; Rheological properties ; Stability analysis ; Submerging ; Surgical implants ; Thermal stability ; Thermogravimetric analysis ; Three dimensional composites ; Three dimensional printing ; X-Ray Microtomography</subject><ispartof>Dental materials, 2020-07, Vol.36 (7), p.865-883</ispartof><rights>2020 The Academy of Dental Materials</rights><rights>Copyright © 2020 The Academy of Dental Materials. 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The aim of this study was to develop bioactive and osseointegrable polyetheretherketone (PEEK)-based composite filaments melt-blended with novel amorphous magnesium phosphate (AMP) particles for 3D printing of dental and orthopedic implants. A series of materials and biological analyses of AMP-PEEK were performed. Thermal stability, thermogravimetric and differential scanning calorimetry curves of as-synthesized AMP were measured. Complex viscosity, elastic modulus and viscous modulus were determined using a rotational rheometer. In vitro bioactivity was analyzed using SBF immersion method. SEM, EDS and XRD were used to study the apatite-forming ability of the AMP-PEEK filaments. Mouse pre-osteoblasts (MC3T3-E1) were cultured and analyzed for cell viability, proliferation and gene expression. For in vivo analyses, bare PEEK was used as the control and 15AMP-PEEK was chosen based on its in vitro cell-related results. After 4 or 12 weeks, animals were euthanized, and the femurs were collected for micro-computed tomography (μ-CT) and histology. The collected findings confirmed the homogeneous dispersion of AMP particles within the PEEK matrix with no phase degradation. Rheological studies demonstrated that AMP-PEEK composites are good candidates for 3D printing by exhibiting high zero-shear and low infinite-shear viscosities. In vitro results revealed enhanced bioactivity and superior pre-osteoblast cell function in the case of AMP-PEEK composites as compared to bare PEEK. In vivo analyses further corroborated the enhanced osseointegration capacity for AMP-PEEK implants. Collectively, the present investigation demonstrated that AMP-PEEK composite filaments can serve as feedstock for 3D printing of orthopedic and dental implants due to enhanced bioactivity and osseointegration capacity.</description><subject>3-D printers</subject><subject>3D printing</subject><subject>Amorphous magnesium phosphate</subject><subject>AMP</subject><subject>Animals</subject><subject>Apatite</subject><subject>Benzophenones</subject><subject>Biological activity</subject><subject>Biological analysis</subject><subject>Biomedical materials</subject><subject>Calorimetry</subject><subject>Cell viability</subject><subject>Computed tomography</subject><subject>Dental Implants</subject><subject>Dental materials</subject><subject>Dental prosthetics</subject><subject>Dental restorative materials</subject><subject>Differential scanning calorimetry</subject><subject>Filaments</subject><subject>Gene expression</subject><subject>Histology</subject><subject>Implants</subject><subject>Ketones</subject><subject>Magnesium</subject><subject>Magnesium Compounds</subject><subject>Magnesium phosphate</subject><subject>Mechanical properties</subject><subject>Mice</subject><subject>Modulus of elasticity</subject><subject>Orthopaedic implants</subject><subject>Orthopedics</subject><subject>Osseointegration</subject><subject>Osteoblasts</subject><subject>Phosphates</subject><subject>Polyether ether ketones</subject><subject>Polyetheretherketone</subject><subject>Polyethylene Glycols</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><subject>Printing</subject><subject>Printing, Three-Dimensional</subject><subject>Rheological properties</subject><subject>Stability analysis</subject><subject>Submerging</subject><subject>Surgical implants</subject><subject>Thermal stability</subject><subject>Thermogravimetric analysis</subject><subject>Three dimensional composites</subject><subject>Three dimensional printing</subject><subject>X-Ray Microtomography</subject><issn>0109-5641</issn><issn>1879-0097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9UU1v1DAQtRCILoV_gFAkLlwSxh_58AWJlk-pUi9wNo4z2fWS2MF2Vuq_r9sthXLg4pE9b57fm0fISwoVBdq83VcDuqSnigGDCkQF0D0iG9q1sgSQ7WOyAQqyrBtBT8izGPcAIJikT8kJZ6KmDLoN-XFmvTbJHrDQsw_Lzq-xmPXWYbTrXOR7XHY6Ybn46QrTDsPt8ROTd1gYPy8-2oTFaCc9Zz2xGH0o-IdiCdYl67bPyZNRTxFf3NVT8v3Tx2_nX8qLy89fz99flEZImkpGe94INK1GY7qWjQa7vm-7BvnIDdVSNgC8zq-i4UAF7wdZD0KI7KJlxvBT8u7Iu6z9jIPJWoKeVJYx63ClvLbqYcfZndr6g2p5LUHITPDmjiD4XyvGpGYbDU6TdpiXopiARtZMsDZDX_8D3fs1uGwvo3jWQ0XXZJQ4okzwMQYc78VQUDcRqr06RqhuIlQgVI4wj73628j90O_M_jjFvM6DxaCisegMDjagSWrw9v8_XAPaQrFf</recordid><startdate>20200701</startdate><enddate>20200701</enddate><creator>Sikder, Prabaha</creator><creator>Ferreira, Jessica A.</creator><creator>Fakhrabadi, Ehsan Akbari</creator><creator>Kantorski, Karla Z.</creator><creator>Liberatore, Matthew W.</creator><creator>Bottino, Marco C.</creator><creator>Bhaduri, Sarit B.</creator><general>Elsevier Inc</general><general>Elsevier BV</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-6910-4199</orcidid><orcidid>https://orcid.org/0000-0001-9302-2310</orcidid><orcidid>https://orcid.org/0000-0002-6219-0255</orcidid><orcidid>https://orcid.org/0000-0001-8740-2464</orcidid><orcidid>https://orcid.org/0000-0002-5495-7145</orcidid></search><sort><creationdate>20200701</creationdate><title>Bioactive amorphous magnesium phosphate-polyetheretherketone composite filaments for 3D printing</title><author>Sikder, Prabaha ; 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The aim of this study was to develop bioactive and osseointegrable polyetheretherketone (PEEK)-based composite filaments melt-blended with novel amorphous magnesium phosphate (AMP) particles for 3D printing of dental and orthopedic implants. A series of materials and biological analyses of AMP-PEEK were performed. Thermal stability, thermogravimetric and differential scanning calorimetry curves of as-synthesized AMP were measured. Complex viscosity, elastic modulus and viscous modulus were determined using a rotational rheometer. In vitro bioactivity was analyzed using SBF immersion method. SEM, EDS and XRD were used to study the apatite-forming ability of the AMP-PEEK filaments. Mouse pre-osteoblasts (MC3T3-E1) were cultured and analyzed for cell viability, proliferation and gene expression. For in vivo analyses, bare PEEK was used as the control and 15AMP-PEEK was chosen based on its in vitro cell-related results. 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ispartof Dental materials, 2020-07, Vol.36 (7), p.865-883
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1879-0097
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source MEDLINE; ScienceDirect Journals (5 years ago - present)
subjects 3-D printers
3D printing
Amorphous magnesium phosphate
AMP
Animals
Apatite
Benzophenones
Biological activity
Biological analysis
Biomedical materials
Calorimetry
Cell viability
Computed tomography
Dental Implants
Dental materials
Dental prosthetics
Dental restorative materials
Differential scanning calorimetry
Filaments
Gene expression
Histology
Implants
Ketones
Magnesium
Magnesium Compounds
Magnesium phosphate
Mechanical properties
Mice
Modulus of elasticity
Orthopaedic implants
Orthopedics
Osseointegration
Osteoblasts
Phosphates
Polyether ether ketones
Polyetheretherketone
Polyethylene Glycols
Polymer matrix composites
Polymers
Printing
Printing, Three-Dimensional
Rheological properties
Stability analysis
Submerging
Surgical implants
Thermal stability
Thermogravimetric analysis
Three dimensional composites
Three dimensional printing
X-Ray Microtomography
title Bioactive amorphous magnesium phosphate-polyetheretherketone composite filaments for 3D printing
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