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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|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 Jan 2014 15:11|
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