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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-4225

Ettlin, D A; Mang, H; Colombo, V; Palla, S; Gallo, L M (2008). Stereometric assessment of TMJ space variation by occlusal splints. Journal of Dental Research, 87(9):877-881.

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Occlusal splints are used for the management of temporomandibular disorders, although their mechanism of action remains controversial. This study investigated whether insertion of an occlusal splint leads to condyle-fossa distance changes, and to mandibular rotation and/or translation. By combining magnetic resonance images with jaw tracking (dynamic stereometry), we analyzed the intra-articular distances of 20 human temporomandibular joints (TMJs) before and after insertion of occlusal splints of 3 mm thickness in the first molar region. For habitual closure, protrusion, and laterotrusion in the contralateral joint, occlusal splints led to minor--yet statistically significant--increases of global TMJ space and to larger increases at defined condylar areas. Condylar end rotation and translation in habitual closure were reduced. Hence, the insertion of a 3-mm-thick occlusal splint led to a change in the topographical condyle-fossa relationship, and therefore to a new distribution of contact areas between joint surfaces.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic for Masticatory Disorders and Complete Dentures, Geriatric and Special Care Dentistry
Dewey Decimal Classification:610 Medicine & health
Deposited On:14 Oct 2008 07:39
Last Modified:05 Apr 2016 12:29
Publisher:Sage Publications
Publisher DOI:10.1177/154405910808700903
Official URL:http://jdr.iadrjournals.org/cgi/reprint/87/9/877
PubMed ID:18719217

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