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Article: The effect of heat treatment of wood on osteoconductivity

TitleThe effect of heat treatment of wood on osteoconductivity
Authors
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/actabiomat
Citation
Acta Biomaterialia, 2009, v. 5 n. 5, p. 1596-1604 How to Cite?
AbstractWood is a natural porous fibre composite, which has some structural similarities to bone. Recently, it has been used as a modelling material in developing synthetic fibre-reinforced composite to be used as load-bearing non-metallic artificial bone material. In this study, the behaviour of wood implanted into bone was studied in vivo in the femur bone of the rabbit. Wood was pre-treated by heat, which altered its chemical composition and structure, as well as the biomechanical properties. In the heat treatment, wood's dimensional stability is enhanced, equilibrium moisture content reduces and the biological durability increases. Cone-shaped implants were manufactured from heat-treated (at 200 and 140 °C) birch wood (Betula pubescens) and from untreated birch. A total of 62 implants were placed in the distal femur of 50 white New Zealand rabbits. The behaviour of the implants was studied at 4, 8 and 20 weeks with histological and histometrical analysis. Osteoconductive contact line and the presence of fibrous tissue and foreign body reaction were determined. The amount of fibrous tissue diminished with time, and the absence of foreign body reaction was found to be in correlation to the amount of heat treatment. Histologically found contact between the implant and the host bone at the interface was significantly more abundant in the 200 °C group (avg. 12.8%) vs. the 140 °C (avg. 2.7%) and the untreated groups (avg. 0.6%). It was observed that the heat treatment significantly modified the biological behaviour of the implanted wood. The changes of the wood by heat treatment showed a positive outcome concerning osteoconductivity of the material. © 2009 Acta Materialia Inc.
Persistent Identifierhttp://hdl.handle.net/10722/58155
ISSN
2015 Impact Factor: 6.008
2015 SCImago Journal Rankings: 2.020
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorRekola, Jen_HK
dc.contributor.authorAho, AJen_HK
dc.contributor.authorGunn, Jen_HK
dc.contributor.authorMatinlinna, Jen_HK
dc.contributor.authorHirvonen, Jen_HK
dc.contributor.authorViitaniemi, Pen_HK
dc.contributor.authorVallittu, PKen_HK
dc.date.accessioned2010-05-31T03:24:44Z-
dc.date.available2010-05-31T03:24:44Z-
dc.date.issued2009en_HK
dc.identifier.citationActa Biomaterialia, 2009, v. 5 n. 5, p. 1596-1604en_HK
dc.identifier.issn1742-7061en_HK
dc.identifier.urihttp://hdl.handle.net/10722/58155-
dc.description.abstractWood is a natural porous fibre composite, which has some structural similarities to bone. Recently, it has been used as a modelling material in developing synthetic fibre-reinforced composite to be used as load-bearing non-metallic artificial bone material. In this study, the behaviour of wood implanted into bone was studied in vivo in the femur bone of the rabbit. Wood was pre-treated by heat, which altered its chemical composition and structure, as well as the biomechanical properties. In the heat treatment, wood's dimensional stability is enhanced, equilibrium moisture content reduces and the biological durability increases. Cone-shaped implants were manufactured from heat-treated (at 200 and 140 °C) birch wood (Betula pubescens) and from untreated birch. A total of 62 implants were placed in the distal femur of 50 white New Zealand rabbits. The behaviour of the implants was studied at 4, 8 and 20 weeks with histological and histometrical analysis. Osteoconductive contact line and the presence of fibrous tissue and foreign body reaction were determined. The amount of fibrous tissue diminished with time, and the absence of foreign body reaction was found to be in correlation to the amount of heat treatment. Histologically found contact between the implant and the host bone at the interface was significantly more abundant in the 200 °C group (avg. 12.8%) vs. the 140 °C (avg. 2.7%) and the untreated groups (avg. 0.6%). It was observed that the heat treatment significantly modified the biological behaviour of the implanted wood. The changes of the wood by heat treatment showed a positive outcome concerning osteoconductivity of the material. © 2009 Acta Materialia Inc.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/actabiomaten_HK
dc.relation.ispartofActa Biomaterialiaen_HK
dc.rightsActa Biomaterialia. Copyright © Elsevier BV.en_HK
dc.subject.meshAnimalsen_HK
dc.subject.meshBone Regeneration - physiologyen_HK
dc.subject.meshColoren_HK
dc.subject.meshFemaleen_HK
dc.subject.meshFemur - cytology - radiographyen_HK
dc.subject.meshHot Temperatureen_HK
dc.subject.meshImplants, Experimentalen_HK
dc.subject.meshRabbitsen_HK
dc.subject.meshTime Factorsen_HK
dc.subject.meshWood - chemistryen_HK
dc.titleThe effect of heat treatment of wood on osteoconductivityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1742-7061&volume=5&spage=1596&epage=1604&date=2009&atitle=The+effect+of+heat+treatment+of+wood+on+osteoconductivityen_HK
dc.identifier.emailMatinlinna, J:jpmat@hku.hken_HK
dc.identifier.authorityMatinlinna, J=rp00052en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.actbio.2009.01.018en_HK
dc.identifier.pmid19231305en_HK
dc.identifier.scopuseid_2-s2.0-67349192636en_HK
dc.identifier.hkuros156322en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-67349192636&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5en_HK
dc.identifier.issue5en_HK
dc.identifier.spage1596en_HK
dc.identifier.epage1604en_HK
dc.identifier.eissn1878-7568-
dc.identifier.isiWOS:000266506800022-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridRekola, J=23398276100en_HK
dc.identifier.scopusauthoridAho, AJ=7006111283en_HK
dc.identifier.scopusauthoridGunn, J=26029775500en_HK
dc.identifier.scopusauthoridMatinlinna, J=6602419428en_HK
dc.identifier.scopusauthoridHirvonen, J=24444964900en_HK
dc.identifier.scopusauthoridViitaniemi, P=6603220944en_HK
dc.identifier.scopusauthoridVallittu, PK=7006138548en_HK

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