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Effects of bilateral discectomy and bilateral discopexy on black Merino sheep rumination kinematics: TEMPOJIMS – phase 1 – pilot blinded, randomized preclinical study

dc.contributor.authorÂngelo, David
dc.contributor.authorGil, Florencio Monje
dc.contributor.authorGonzález-García, Raúl
dc.contributor.authorMónico, Lisete
dc.contributor.authorSousa, Rita
dc.contributor.authorNeto, Lia
dc.contributor.authorCaldeira, Inês
dc.contributor.authorMoura, Carla
dc.contributor.authorFrancisco, Luís Carlos
dc.contributor.authorSanz, David
dc.contributor.authorAlves, Nuno
dc.contributor.authorSalvado, Francisco
dc.contributor.authorMorouço, Pedro
dc.date.accessioned2025-07-03T14:23:32Z
dc.date.available2025-07-03T14:23:32Z
dc.date.issued2018-02
dc.description.abstractBackground The temporomandibular joint interposal study (TEMPOJIMS) is a rigorous preclinical trial divided in 2 phases. In phase 1 the authors investigated the role of the TMJ disc and in phase 2 the authors evaluated 3 different interposal materials. The present work of TEMPOJIMS - phase 1, investigated the effects of bilateral discectomy and discopexy in sheep mastication and rumination. Methods This randomized, blinded and controlled preclinical trial (in line with the ARRIVE guidelines) was conducted in 9 Black Merino sheep to evaluate changes in mastication and rumination after bilateral discectomy and bilateral discopexy, by comparing with a sham surgery control group. The outcomes evaluated were: (1) absolute masticatory time; (2) ruminant time per cycle; (3) ruminant kinematics, and (4) ruminant area. After baseline evaluation and surgical interventions, the outcomes were recorded over 3 successive days, every 30 days, for 6 months. Results The first month after intervention seemed to be the critical period for significant kinematic changes in the discectomy and discopexy groups. However, 6 months after the bilateral interventions, no significant changes were noticed when compared with the control group. Conclusions In this study, bilateral discectomy and discopexy had no significant effect in mastication and ruminatory movement. The introduction of kinematic evaluation presents a new challenge that may contribute to the improvement of future studies on the TMJ domain.eng
dc.identifier.citationDavid Faustino Ângelo, Florencio Monje Gil, Raúl González-García, Lisete Mónico, Rita Sousa, Lia Neto, Inês Caldeira, Carla Moura, Luís Carlos Francisco, David Sanz, Nuno Alves, Francisco Salvado, Pedro Morouço, Effects of bilateral discectomy and bilateral discopexy on black Merino sheep rumination kinematics: TEMPOJIMS – phase 1 – pilot blinded, randomized preclinical study, Journal of Cranio-Maxillofacial Surgery, Volume 46, Issue 2, 2018, Pages 346-355, ISSN 1010-5182, https://doi.org/10.1016/j.jcms.2017.11.022.
dc.identifier.doi10.1016/j.jcms.2017.11.022
dc.identifier.issn1010-5182
dc.identifier.urihttp://hdl.handle.net/10400.8/13516
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier BV
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S1010518217304158
dc.relation.ispartofJournal of Cranio-Maxillofacial Surgery
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectTMJ
dc.subjectPreclinical trial
dc.subjectDiscopexy
dc.subjectDiscectomy
dc.subjectKinematics
dc.subjectBlack merino sheep
dc.titleEffects of bilateral discectomy and bilateral discopexy on black Merino sheep rumination kinematics: TEMPOJIMS – phase 1 – pilot blinded, randomized preclinical studyeng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage355
oaire.citation.issue2
oaire.citation.startPage346
oaire.citation.titleJournal of Cranio-Maxillo-Facial Surgery
oaire.citation.volume46
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameÂngelo
person.familyNameAlves
person.familyNameMorouço
person.givenNameDavid
person.givenNameNuno
person.givenNamePedro
person.identifier452149
person.identifier435983
person.identifier.ciencia-id2C1B-F1D5-5A08
person.identifier.ciencia-id311E-1559-8F6C
person.identifier.ciencia-idF619-3996-742A
person.identifier.orcid0000-0001-8411-9946
person.identifier.orcid0000-0002-5016-0868
person.identifier.orcid0000-0002-5956-9790
person.identifier.ridN-4073-2013
person.identifier.ridK-9545-2013
person.identifier.scopus-author-id7006403383
person.identifier.scopus-author-id24339135400
relation.isAuthorOfPublication6d9ebcd1-9dd6-48a8-916d-3ca7b9c912eb
relation.isAuthorOfPublicationbbd46a74-b77e-4539-a5fe-62ee95cdc4fa
relation.isAuthorOfPublication05b28d80-9e18-41cc-a66c-f37955bfc8da
relation.isAuthorOfPublication.latestForDiscovery6d9ebcd1-9dd6-48a8-916d-3ca7b9c912eb

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