{"id":3433,"date":"2011-02-21T17:19:16","date_gmt":"2011-02-21T16:19:16","guid":{"rendered":"http:\/\/www.rontgen.com\/wp-doctor\/?p=3433"},"modified":"2011-02-21T18:22:29","modified_gmt":"2011-02-21T17:22:29","slug":"stralning-vid-tandrontgen","status":"publish","type":"post","link":"https:\/\/www.rontgen.com\/wp-doctor\/stralning-vid-tandrontgen","title":{"rendered":"Str\u00e5lning vid tandr\u00f6ntgen"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"border: 0pt none;\" title=\"Fr\u00e5ga\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_faq.gif\" alt=\"\" width=\"12\" height=\"13\" \/> Jag ska f\u00e5 ett tandimplantat i nederk\u00e4ken och har gjort en panoramar\u00f6ntgen och en extraoral r\u00f6ntgen (jag tror att det heter digital volymtomografi). Hur mycket str\u00e5lning f\u00e5r man av detta? Och hur mycket str\u00e5lning f\u00e5r kroppsdelar utanf\u00f6r k\u00e4ken, tex svalg, strupe och n\u00e4sa\/\u00f6ron?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"border: 0pt none;\" title=\"Svar\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_register.gif\" alt=\"\" width=\"12\" height=\"13\" \/> I allm\u00e4nhet \u00e4r det l\u00e5ga str\u00e5ldoser d\u00e5 det g\u00e4ller r\u00f6ntgenunders\u00f6kningar av k\u00e4ken. En panoramar\u00f6ntgen ger mindre \u00e4n 0,05 mSv i effektiv str\u00e5ldos, vilket motsvarar n\u00e5gon veckas naturlig bakgrundsstr\u00e5lning. D\u00e5 det g\u00e4ller str\u00e5ldoser fr\u00e5n en volymsdatortomograf har jag inte s\u00e5 bra koll p\u00e5 detta d\u00e5 vi \u00e4nnu inte har denna typ av utrustning p\u00e5 r\u00f6ntgenavdelningen d\u00e4r jag arbetar. Men vad jag f\u00f6rst\u00e5r s\u00e5 \u00e4r den effektiva str\u00e5ldosen \u00e4ven h\u00e4r liten, m\u00f6jligen n\u00e5gra tiondels mSv.<br \/>\nStr\u00e5ldosen blir av naturliga sk\u00e4l st\u00f6rst till de organ som blir direkt bestr\u00e5lade vid unders\u00f6kningen. Organ som ligger vid sidan om, blir utsatta f\u00f6r spridd str\u00e5lning. M\u00e4ngden spridd str\u00e5lning avtar snabbt ju l\u00e4ngre bort man kommer fr\u00e5n omr\u00e5det som unders\u00f6ks. Att ge n\u00e5gra sifferv\u00e4rden p\u00e5 str\u00e5ldoser till organ som ligger utanf\u00f6r det unders\u00f6kta omr\u00e5det \u00e4r komplicerat, s\u00e5 jag avst\u00e5r fr\u00e5n detta.<\/p>\n<p>T\u00e4nk p\u00e5 att str\u00e5ldoser kan anges p\u00e5 lite olika s\u00e4tt. D\u00e5 det g\u00e4ller l\u00e5ngsiktiga risker med str\u00e5lning anges dosen som effektiv str\u00e5ldos. Effektiv str\u00e5ldos \u00e4r ett m\u00e5tt p\u00e5 risken att drabbas av str\u00e5lningsinducerad cancer. D\u00e5 det g\u00e4ller str\u00e5ldos till enskilda organ brukar detta anges som absorberad str\u00e5ldos. Detta \u00e4r ett m\u00e5tt p\u00e5 hur mycket energi som har absorberats per massenhet i organet i fr\u00e5ga.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"border: 0pt none;\" title=\"Svarat av\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_profile.gif\" alt=\"\" width=\"12\" height=\"13\" \/> M. O. sjukhusfysiker<br \/>\nR\u00f6ntgenavdelningen Helsingborgs lasarett<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jag ska f\u00e5 ett tandimplantat i nederk\u00e4ken och har gjort en panoramar\u00f6ntgen och [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[15,93],"class_list":["post-3433","post","type-post","status-publish","format-standard","hentry","category-tand","tag-stralning","tag-tander"],"_links":{"self":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/3433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/comments?post=3433"}],"version-history":[{"count":0,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/3433\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/media?parent=3433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/categories?post=3433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/tags?post=3433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}