{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,6]],"date-time":"2025-03-06T05:25:39Z","timestamp":1741238739446,"version":"3.38.0"},"reference-count":31,"publisher":"JLE","issue":"2","license":[{"start":{"date-parts":[[2017,6,9]],"date-time":"2017-06-09T00:00:00Z","timestamp":1496966400000},"content-version":"vor","delay-in-days":8,"URL":"https:\/\/www.edpsciences.org\/en\/authors\/copyright-and-licensing"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Orthod Fr"],"published-print":{"date-parts":[[2017,6]]},"abstract":"<jats:p><jats:bold>Objectifs<\/jats:bold><jats:bold> : <\/jats:bold>Les appareils orthodontiques sont souvent d\u00e9pos\u00e9s avant les examens d\u2019imagerie par r\u00e9sonance magn\u00e9tique (IRM) car ils sont r\u00e9put\u00e9s pour produire des artefacts. Le but de cette \u00e9tude \u00e9tait de trouver les indications exactes de d\u00e9pose de diff\u00e9rents types d\u2019appareils fixes lors de la visualisation de quatre zones sp\u00e9cifiques de la t\u00eate et du cou. <jats:bold>Mat\u00e9riel et m\u00e9thode : <\/jats:bold>60 patients n\u00e9cessitant un examen IRM de la t\u00eate pour raisons m\u00e9dicales se sont port\u00e9s volontaires pour cette \u00e9tude. Un appareil fixe parmi quatre types d\u2019appareils (bo\u00eetiers en acier inoxydable, bo\u00eetiers en titane, bo\u00eetiers en c\u00e9ramique \u00e0 gorge m\u00e9tallique et fils de contention en acier inoxydable) a \u00e9t\u00e9 assign\u00e9 \u00e0 chaque patient. Chaque patient a subi deux examens \u00e0 1,5 T : avec un \u00ab\u00e9chantillon de cire vide\u00bb et avec un \u00e9chantillon de cire contenant l\u2019appareil. Les arcs n\u2019ont pas \u00e9t\u00e9 \u00e9tudi\u00e9s car leur d\u00e9pose avant un examen est ais\u00e9e. Deux radiologues ont \u00e9valu\u00e9 les images de chaque patient pour chacune des zones anatomiques \u00e9tudi\u00e9es : sinus maxillaire, cavit\u00e9 buccale, articulations temporo-mandibulaires et fosse c\u00e9r\u00e9brale post\u00e9rieure. <jats:bold>R\u00e9sultats : <\/jats:bold>Les bo\u00eetiers en acier inoxydable ont rendu la totalit\u00e9 des images ininterpr\u00e9tables (100 %). Les bo\u00eetiers en titane, les bo\u00eetiers en c\u00e9ramique \u00e0 gorge m\u00e9tallique et les fils de contention en acier inoxydable ont caus\u00e9 des artefacts seulement au niveau de la cavit\u00e9 buccale (pour 20 %, 16,65 % et 86,65 % des sujets). <jats:bold>Conclusion : <\/jats:bold>Ces r\u00e9sultats montrent que les bo\u00eetiers en c\u00e9ramique \u00e0 gorge m\u00e9tallique et les bo\u00eetiers en titane ne doivent pas toujours \u00eatre d\u00e9pos\u00e9s avant un examen d\u2019IRM de la t\u00eate et du cou, selon la zone anatomique \u00e9tudi\u00e9e. Les fils de contention m\u00e9talliques ne devraient \u00eatre d\u00e9pos\u00e9s que si la cavit\u00e9 buccale est \u00e9tudi\u00e9e. Les bo\u00eetiers en acier inoxydable devraient \u00eatre syst\u00e9matiquement d\u00e9pos\u00e9s avant un examen d\u2019IRM de la t\u00eate et du cou. <\/jats:p>","DOI":"10.1051\/orthodfr\/2017004","type":"journal-article","created":{"date-parts":[[2017,6,9]],"date-time":"2017-06-09T06:35:33Z","timestamp":1496990133000},"page":"131-138","source":"Crossref","is-referenced-by-count":3,"title":["Les appareils orthodontiques coll\u00e9s doivent-ils  \u00eatre d\u00e9pos\u00e9s syst\u00e9matiquement avant un examen d\u2019imagerie par r\u00e9sonance magn\u00e9tique (IRM)\u00a0?"],"prefix":"10.1684","volume":"88","author":[{"given":"Aur\u00e9lien","family":"Beau","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Denis","family":"Bossard","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sarah","family":"Gebeile-Chauty","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"18929","published-online":{"date-parts":[[2017,6,9]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","first-page":"759","DOI":"10.1067\/moe.2000.105942","volume":"89","author":"Abbaszadeh","year":"2000","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R2","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1016\/0109-5641(94)90072-8","volume":"10","author":"Beuf","year":"1994","journal-title":"Dent Mater"},{"key":"R3","unstructured":"Brown MA, Semelka RC. 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