. "8"^^ . "V" . . . "6" . . "RIV/00216208:11110/14:10286143" . "48099" . . . "1213-0613" . . "\u00DAvod a c\u00EDl pr\u00E1ce: Ko\u0159enov\u00E9 n\u00E1stavby jsou v\u00FDznamn\u00FDm pomocn\u00EDkem p\u0159i rekonstrukci zubn\u00ED korunky. \u010Cl\u00E1nek se zab\u00FDv\u00E1 anal\u00FDzou stavu radikul\u00E1rn\u00ED \u010D\u00E1sti ko\u0159enov\u00FDch n\u00E1staveb zhotoven\u00FDch ze slitin s vysok\u00FDm obsahem st\u0159\u00EDbra, a to v p\u0159\u00EDpadech, kdy n\u00E1stavby selhaly. C\u00EDlem sd\u011Blen\u00ED je pouk\u00E1zat na \u00FAskal\u00ED spojen\u00E1 s pou\u017Eit\u00EDm t\u011Bchto slitin. V\u00FDsledky a z\u00E1v\u011Br: Anal\u00FDzy prok\u00E1zaly, \u017Ee korozn\u00ED probl\u00E9my ko\u0159enov\u00FDch n\u00E1staveb se t\u00FDkaj\u00ED jak dr\u00E1t\u011Bn\u00E9ho j\u00E1dra, tak i materi\u00E1lu \u010Depu. V situaci, kdy pronikne korozn\u00ED prost\u0159ed\u00ED k j\u00E1dru \u010Depu, vede korozn\u00ED d\u011Bj ke vzniku objemn\u00FDch korozn\u00EDch produkt\u016F \u017Eeleza a uvoln\u011Bn\u00ED iont\u016F st\u0159\u00EDbra. V\u00FDsledkem jsou jak pnut\u00ED, kter\u00E1 mohou vyvolat a\u017E pod\u00E9ln\u00FD lom ko\u0159ene zubu, tak pigmentace ko\u0159ene a m\u011Bkk\u00E9 tk\u00E1n\u011B. Vzhledem k tomu, \u017Ee slitiny s vysok\u00FDm obsahem st\u0159\u00EDbra jsou dosud sou\u010D\u00E1st\u00ED z\u00E1sob zubn\u00EDch laborato\u0159\u00ED a slitina st\u0159\u00EDbro-c\u00EDn i v nab\u00EDdce dent\u00E1ln\u00EDho trhu, pova\u017Eovali jsme za pot\u0159ebn\u00E9 upozornit na rizikov\u00E9 aspekty spojen\u00E9 se zhotoven\u00EDm ko\u0159enov\u00E9 n\u00E1stavby z t\u011Bchto materi\u00E1l\u016F." . "1"^^ . "A Study of Corrosion of Root Parts of Metallic Post and Core Reconstructions after their Extractions"@en . "CZ - \u010Cesk\u00E1 republika" . "Vencl\u00EDkov\u00E1, Zora" . "Introduction and objective: Cast post and cores are an important tool in the reconstruction of a dental crown. This article analyzes the state of cast metallic posts, made of alloys with high silver content, in cases where the restoration failed. Our aim is to point out the risks associated with the use of these alloys. Results and conclusion: The analysis showed that the corrosion problems of cast post and cores relate to the inner wire component as well as cast metallic post. In a situation when the corrosion environment penetrates to the core area, the corrosion process can lead to the formation of bulky iron corrosion products or ions of soluble silver compounds. This results in a strain, which may cause a longitudinal fracture of the tooth root and tissue pigmentation. Since alloys with high silver content are still part of the inventory of dental laboratories and the silver-tin alloy is still offered in the dental market, we felt it necessary to highlight the risk aspects associated with manufacturing root extensions from these materials."@en . "3"^^ . . . "\u00DAvod a c\u00EDl pr\u00E1ce: Ko\u0159enov\u00E9 n\u00E1stavby jsou v\u00FDznamn\u00FDm pomocn\u00EDkem p\u0159i rekonstrukci zubn\u00ED korunky. \u010Cl\u00E1nek se zab\u00FDv\u00E1 anal\u00FDzou stavu radikul\u00E1rn\u00ED \u010D\u00E1sti ko\u0159enov\u00FDch n\u00E1staveb zhotoven\u00FDch ze slitin s vysok\u00FDm obsahem st\u0159\u00EDbra, a to v p\u0159\u00EDpadech, kdy n\u00E1stavby selhaly. C\u00EDlem sd\u011Blen\u00ED je pouk\u00E1zat na \u00FAskal\u00ED spojen\u00E1 s pou\u017Eit\u00EDm t\u011Bchto slitin. V\u00FDsledky a z\u00E1v\u011Br: Anal\u00FDzy prok\u00E1zaly, \u017Ee korozn\u00ED probl\u00E9my ko\u0159enov\u00FDch n\u00E1staveb se t\u00FDkaj\u00ED jak dr\u00E1t\u011Bn\u00E9ho j\u00E1dra, tak i materi\u00E1lu \u010Depu. V situaci, kdy pronikne korozn\u00ED prost\u0159ed\u00ED k j\u00E1dru \u010Depu, vede korozn\u00ED d\u011Bj ke vzniku objemn\u00FDch korozn\u00EDch produkt\u016F \u017Eeleza a uvoln\u011Bn\u00ED iont\u016F st\u0159\u00EDbra. V\u00FDsledkem jsou jak pnut\u00ED, kter\u00E1 mohou vyvolat a\u017E pod\u00E9ln\u00FD lom ko\u0159ene zubu, tak pigmentace ko\u0159ene a m\u011Bkk\u00E9 tk\u00E1n\u011B. Vzhledem k tomu, \u017Ee slitiny s vysok\u00FDm obsahem st\u0159\u00EDbra jsou dosud sou\u010D\u00E1st\u00ED z\u00E1sob zubn\u00EDch laborato\u0159\u00ED a slitina st\u0159\u00EDbro-c\u00EDn i v nab\u00EDdce dent\u00E1ln\u00EDho trhu, pova\u017Eovali jsme za pot\u0159ebn\u00E9 upozornit na rizikov\u00E9 aspekty spojen\u00E9 se zhotoven\u00EDm ko\u0159enov\u00E9 n\u00E1stavby z t\u011Bchto materi\u00E1l\u016F."@cs . . . "Studie korozn\u00EDho stavu extrahovan\u00FDch \u010Depov\u00FDch \u010D\u00E1st\u00ED kovov\u00FDch ko\u0159enov\u00FDch n\u00E1staveb"@cs . "Fojt, Jaroslav" . . . "A Study of Corrosion of Root Parts of Metallic Post and Core Reconstructions after their Extractions"@en . "Joska, Lud\u011Bk" . "11110" . . . "114/62" . . . "\u010Cesk\u00E1 Stomatologie a Praktick\u00E9 zubn\u00ED l\u00E9ka\u0159stv\u00ED" . "Studie korozn\u00EDho stavu extrahovan\u00FDch \u010Depov\u00FDch \u010D\u00E1st\u00ED kovov\u00FDch ko\u0159enov\u00FDch n\u00E1staveb" . "http://www.prolekare.cz/linkout/50458" . "iron; silver; X-ray microanalysis; scanning electron microscopy; corrosion; dental alloys; post and core; Dentin"@en . . "Studie korozn\u00EDho stavu extrahovan\u00FDch \u010Depov\u00FDch \u010D\u00E1st\u00ED kovov\u00FDch ko\u0159enov\u00FDch n\u00E1staveb" . . "Studie korozn\u00EDho stavu extrahovan\u00FDch \u010Depov\u00FDch \u010D\u00E1st\u00ED kovov\u00FDch ko\u0159enov\u00FDch n\u00E1staveb"@cs . "RIV/00216208:11110/14:10286143!RIV15-MSM-11110___" . "[2C792FCAB4C6]" .