{"id":154,"date":"2013-11-14T19:14:41","date_gmt":"2013-11-14T19:14:41","guid":{"rendered":"http:\/\/www.dentosaurus.com\/?p=154"},"modified":"2014-02-25T18:42:53","modified_gmt":"2014-02-25T18:42:53","slug":"krune-i-mostovi","status":"publish","type":"post","link":"https:\/\/www.dentosaurus.com\/?p=154","title":{"rendered":"Krune i mostovi"},"content":{"rendered":"<p><span style=\"line-height: 1.5em;\">Kruna\/krunica\/zubna navlaka je protetski nadomjestak koji u potpunosti obuhva\u0107a prirodni zub (ili implantat). Krune su \u010desto potrebne uslijed velikog karijesa, ili uslijed prijeloma zuba. Za zub se ve\u017eu s dentalnim cementom. Prilikom ve\u0107eg karioznog defekta prirodni zub postaje podlo\u017ean frakturama. Kruna u tom slu\u010daju ima za\u0161titnu ulogu gdje pravilnom izradom u\u010dvr\u0161\u010duje zub i prevenira pucanje zuba.<\/span><\/p>\n<p>Most je jedna od opcija za nadoknadu izgubljenog zuba\/i. To je vrsta protetskog rada koja nadokna\u0111uje i premo\u0161\u0107uje bezubi greben. Potrebna su minimalno dva zuba nosa\u010da (sa svake strane bezubog predjela). Ovisno o situaciji, broju i rasporedu preostalih zuba, postoje razne mogu\u0107nosti izrade mosta, od tro\u010dlanog do semicirkularnog (cijela \u010deljust). Za most je potrebno vi\u0161e dolazaka (bru\u0161enje, uzimanje otisaka, odre\u0111ivanje zagriza, proba konstrukcije, proba keramike..). Odmah nakon bru\u0161enja se izra\u0111uju provizorni nadomjesci, koji se nose za vrijeme trajanja izrade mosta, do njegovog cementiranja. Faze izrade mosta zavr\u0161avaju njegovim trajnim cementiranjem. Prednost mosta pred protezom je \u0161to \u010dini jedinstvenu cjelinu s ostatkom zubi. Naspram proteze, puno je br\u017ea i jednostavnija prilagodba pacijenta.<\/p>\n<p><b>Profilaki\u010dka uloga mosta <\/b><\/p>\n<p>Zubi imaju tendenciju pomicanja prema praznom prostoru. Ako su zubi izgubili antagonista, ili je susjedni zub izva\u0111en, mo\u017ee do\u0107i do \u201eizrastanja\u201c ili naginjanja zuba. \u0160to je vi\u0161e zuba izva\u0111eno, ve\u0107a je \u0161ansa za tim naginjanjem. Pod profilakti\u010dkom\/za\u0161titnom ulogom mosta se smatra sprje\u010davanje tih ne\u017eeljenih posljedica.<\/p>\n<p><b>Metal-keramika <\/b><\/p>\n<p>Klasi\u010dni materijal za izradu mosta\/kruna je metal-keramika. Osnovu mosta \u010dini metal, na koji do\u0111e keramika kao estetski materijal. Za izradu se koriste razne vrste plemenitih i neplemenitih legura. Naj\u010de\u0161\u0107a legura je kobalt-krom, iako postoje i razne druge. Zlato kao metalna osnova se i dalje koristi, ali cijena sprije\u010dava \u0161iru upotrebu. Sam metal je odgovoran za preciznost sjedanja rada te potrebnu \u010dvrsto\u0107u, dok je vanjski kerami\u010dki dio zadu\u017een za estetiku. Metal je u potpunosti oblo\u017een keramikom, te se ne vidi.<\/p>\n<p><b>Cirkon oksid <\/b><\/p>\n<p>Sastoji se od osnove iz cirkonij dioksida (ZrO2) djelomi\u010dno stabiliziranog itrij oksidom (ZrO 2 -TZP; 3 mol% Y 2 O 3). U medicini se du\u017ee vremena upotrebljava u ortopediji (umjetna koljena i kukovi). Cirkon oksid predstavlja zamjenu za metalnu osnovu. Na njega, kao vanjski sloj, dolazi sloj keramike. Cirkon je u potpunosti biokompatibilan materijal, te nije alergen.<\/p>\n<p><b>IPS e max <\/b><\/p>\n<p>To je sustav litij disilikatne staklo keramike (LS<sub>2<\/sub>). Vrlo dobro imitira translucentnost i transparentnost prirodnog zuba. Kombiniranjem boja mogu se posti\u0107i vrhunski estetski rezultati. Upotrebljava se za izradu potpuno kerami\u010dkih protetskih radova (krune, mostovi manjeg raspona, ljuskice).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kruna\/krunica\/zubna navlaka je protetski nadomjestak koji u potpunosti obuhva\u0107a prirodni zub (ili implantat). Krune su \u010desto potrebne uslijed velikog karijesa, ili uslijed prijeloma zuba. Za zub se ve\u017eu s dentalnim cementom. Prilikom ve\u0107eg karioznog defekta prirodni zub postaje podlo\u017ean frakturama. Kruna u tom slu\u010daju ima za\u0161titnu ulogu gdje pravilnom izradom u\u010dvr\u0161\u010duje zub i prevenira pucanje [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":338,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.dentosaurus.com\/?p=154\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Krune i mostovi - Dental Plus miramare d.o.o.\" \/>\n<meta property=\"og:description\" content=\"Kruna\/krunica\/zubna navlaka je protetski nadomjestak koji u potpunosti obuhva\u0107a prirodni zub (ili implantat). 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