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Article: Surgical induction of temporomandibular joint ankylosis: an animal model

TitleSurgical induction of temporomandibular joint ankylosis: an animal model
Authors
Issue Date2007
PublisherWB Saunders Co. The Journal's web site is located at http://www.elsevier.com/locate/joms
Citation
Journal Of Oral And Maxillofacial Surgery, 2007, v. 65 n. 5, p. 993-1004 How to Cite?
AbstractPurpose: The aim of this study was to develop an animal model of temporomandibular joint (TMJ) bony ankylosis for future evaluation of surgical reconstructive methods. Materials and Methods: An animal model was selected on the basis of 2 sequential experiments. Four goats and 4 minipigs were used in the first experiment, in which 1 goat and 1 minipig served as control animals. Condylectomy with disc preservation was performed on 1 side of 3 animals in each group. On the contralateral TMJ, condylectomy with discectomy was performed, and the arthroplasty gap was filled with the autogenous bone chips. In the second experiment, TMJ ankylosis was induced bilaterally in 3 additional animals of the species that achieved better ankylosis results in the first experiment. All animals were killed postoperatively at 3 months, and the TMJ complexes were examined by plain radiography, computed tomography, and histological evaluation. Results: In the first experiment, only fibrous ankylosis was observed in the bone-grafted side of 2 goats and 3 minipigs, whereas fibro-osseous ankylosis was achieved in the remaining goat. The extent of ankylosis was found to be more severe in the goats than the minipigs. Hence, goats were selected for bilateral surgery in the second experiment, which achieved consistent bony ankylosis of the TMJ in all animals. Conclusions: Goats provide a better TMJ bony ankylosis model than minipigs. Consistent bony ankylosis can be induced by bilateral condylectomy, disectomy, and bone grafting of the arthroplasty gap. © 2007 American Association of Oral and Maxillofacial Surgeons.
Persistent Identifierhttp://hdl.handle.net/10722/65954
ISSN
2015 Impact Factor: 1.631
2015 SCImago Journal Rankings: 0.824
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCheung, LKen_HK
dc.contributor.authorShi, XJen_HK
dc.contributor.authorZheng, LWen_HK
dc.date.accessioned2010-09-06T05:42:23Z-
dc.date.available2010-09-06T05:42:23Z-
dc.date.issued2007en_HK
dc.identifier.citationJournal Of Oral And Maxillofacial Surgery, 2007, v. 65 n. 5, p. 993-1004en_HK
dc.identifier.issn0278-2391en_HK
dc.identifier.urihttp://hdl.handle.net/10722/65954-
dc.description.abstractPurpose: The aim of this study was to develop an animal model of temporomandibular joint (TMJ) bony ankylosis for future evaluation of surgical reconstructive methods. Materials and Methods: An animal model was selected on the basis of 2 sequential experiments. Four goats and 4 minipigs were used in the first experiment, in which 1 goat and 1 minipig served as control animals. Condylectomy with disc preservation was performed on 1 side of 3 animals in each group. On the contralateral TMJ, condylectomy with discectomy was performed, and the arthroplasty gap was filled with the autogenous bone chips. In the second experiment, TMJ ankylosis was induced bilaterally in 3 additional animals of the species that achieved better ankylosis results in the first experiment. All animals were killed postoperatively at 3 months, and the TMJ complexes were examined by plain radiography, computed tomography, and histological evaluation. Results: In the first experiment, only fibrous ankylosis was observed in the bone-grafted side of 2 goats and 3 minipigs, whereas fibro-osseous ankylosis was achieved in the remaining goat. The extent of ankylosis was found to be more severe in the goats than the minipigs. Hence, goats were selected for bilateral surgery in the second experiment, which achieved consistent bony ankylosis of the TMJ in all animals. Conclusions: Goats provide a better TMJ bony ankylosis model than minipigs. Consistent bony ankylosis can be induced by bilateral condylectomy, disectomy, and bone grafting of the arthroplasty gap. © 2007 American Association of Oral and Maxillofacial Surgeons.en_HK
dc.languageengen_HK
dc.publisherWB Saunders Co. The Journal's web site is located at http://www.elsevier.com/locate/jomsen_HK
dc.relation.ispartofJournal of Oral and Maxillofacial Surgeryen_HK
dc.subject.meshAnkylosis - etiology - pathology - physiopathology-
dc.subject.meshArthroplasty - adverse effects - methods-
dc.subject.meshBone Transplantation - adverse effects - methods-
dc.subject.meshDisease Models, Animal-
dc.subject.meshTemporomandibular Joint Disorders - etiology - pathology - physiopathology-
dc.titleSurgical induction of temporomandibular joint ankylosis: an animal modelen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0278-2391&volume=65&issue=5&spage=993&epage=1004&date=2007&atitle=Surgical+Induction+of+Temporomandibular+Joint+Ankylosis:+An+Animal+Model+en_HK
dc.identifier.emailCheung, LK:lkcheung@hkucc.hku.hken_HK
dc.identifier.emailZheng, Lw:lwzheng@hku.hken_HK
dc.identifier.authorityCheung, LK=rp00013en_HK
dc.identifier.authorityZheng, Lw=rp01411en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.joms.2006.06.279en_HK
dc.identifier.pmid17448853-
dc.identifier.scopuseid_2-s2.0-34247115070en_HK
dc.identifier.hkuros127170-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34247115070&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume65en_HK
dc.identifier.issue5en_HK
dc.identifier.spage993en_HK
dc.identifier.epage1004en_HK
dc.identifier.isiWOS:000246133600026-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCheung, LK=7102302747en_HK
dc.identifier.scopusauthoridShi, Xj=16231469600en_HK
dc.identifier.scopusauthoridZheng, Lw=11241247300en_HK

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