Zhodnocení MRI artefaktů způsobených kovovými dentálními implantáty a klasifikace použití těchto dentálních materiálů.

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F06%3APU54971" target="_blank" >RIV/00216305:26220/06:PU54971 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68081731:_____/06:00048827 RIV/00216208:11110/06:00005393 RIV/00064165:_____/06:00000820

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Evaluation of MRI artifacts caused by metallic dental implants and classification of the dental materials in use

Popis výsledku v původním jazyce

Metallic objects (dental fillings, crowns, fixed bridges etc.), now found in many patients, may become a reason for the patient's ineligibility for MR examination because of safety or image artifact concerns. The severity of the MRI artifacts caused bythese objects depends primarily on the material, shape, position and orientation of the object, MRI method applied, and the location of the tissues of interest. The purpose of this work is to demonstrate the artifacts and describe a method of measuri ing the relevant material properties and the results. A method for the measurement of magnetic susceptibility based on field distortion simulation and field mapping based on MRI is described. Objects made of several materials were tested experimentally and these results were checked against simulated results. It has been found that among the more than 100 dental materials currently in use there are highly paramagnetic materials (Ni-Cr or Co-Cr based alloys), in which B0 inhomogeneity effects

Název v anglickém jazyce

Evaluation of MRI artifacts caused by metallic dental implants and classification of the dental materials in use

Popis výsledku anglicky

Metallic objects (dental fillings, crowns, fixed bridges etc.), now found in many patients, may become a reason for the patient's ineligibility for MR examination because of safety or image artifact concerns. The severity of the MRI artifacts caused bythese objects depends primarily on the material, shape, position and orientation of the object, MRI method applied, and the location of the tissues of interest. The purpose of this work is to demonstrate the artifacts and describe a method of measuri ing the relevant material properties and the results. A method for the measurement of magnetic susceptibility based on field distortion simulation and field mapping based on MRI is described. Objects made of several materials were tested experimentally and these results were checked against simulated results. It has been found that among the more than 100 dental materials currently in use there are highly paramagnetic materials (Ni-Cr or Co-Cr based alloys), in which B0 inhomogeneity effects

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JA - Elektronika a optoelektronika, elektrotechnika

OECD FORD obor

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Projekt

<a href="/cs/project/NR8110" target="_blank" >NR8110: Dentální slitiny a jejich kompatibilita s vyšetřením metodou magnetické rezonance</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Measurement Science Review

ISSN

1335-8871

e-ISSN

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Svazek periodika

6

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

SK - Slovenská republika

Počet stran výsledku

4

Strana od-do

24-27

Kód UT WoS článku

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EID výsledku v databázi Scopus

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