Journal of Dental Research

, volume 82 , issue 8 , pages 602-606

Artifacts from Dental Casting Alloys in Magnetic Resonance Imaging

Fereshteh Shafiei ^{1, 2, 3}

E. Honda ^{1, 2, 3}

H. Takahashi ^{1, 2, 3}

T. Sasaki ^{1, 2, 3}

Hide authors affiliations Show authors affiliations: 3 affiliations

Advanced Biomaterials,

Oral and Maxillofacial Radiology, Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan; and |

Dept. of Oral and Maxillofacial Radiology, School of Dentistry, The University of Tokushima; |

Publication type: Journal Article

Publication date: 2003-08-01

SAGE

Journal of Dental Research

scimago Q1

wos Q1

SJR: 1.839

CiteScore: 13.1

Impact factor: 5.9

ISSN: 00220345, 15440591

DOI: 10.1177/154405910308200806

Copy DOI

PubMed ID: 12885843

General Dentistry

Abstract

The potential advantage of magnetic resonance imaging (MRI) has been limited by artifacts due to the presence of metallic materials. For quantitative evaluation of the magnitude of artifacts from dental casting alloys and implant materials in MR imaging, 11 dental casting or implant materials were imaged by means of 1.5 T MRI apparatus with three different sequences. Mean and standard deviation of water signal intensity (SI) around the sample in the region of interest (1200 mm²) were determined, and the coefficient of variation was compared for evaluation of the homogeneity of the SI. A variety of artifacts with different magnitudes was observed. Only one of the samples, composed mainly of Pd, In, and Sb, showed no artifacts in all imaging sequences. We concluded that selection of specific dental casting alloys according to their elemental compositions could minimize the metal artifacts in MRI; however, titanium alloys currently pose a problem with respect to causing MRI artifacts.

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GOST |

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GOST Copy

Shafiei F. et al. Artifacts from Dental Casting Alloys in Magnetic Resonance Imaging // Journal of Dental Research. 2003. Vol. 82. No. 8. pp. 602-606.

GOST all authors (up to 50) Copy

Shafiei F., Honda E., Takahashi H., Sasaki T. Artifacts from Dental Casting Alloys in Magnetic Resonance Imaging // Journal of Dental Research. 2003. Vol. 82. No. 8. pp. 602-606.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1177/154405910308200806

UR - https://doi.org/10.1177/154405910308200806

TI - Artifacts from Dental Casting Alloys in Magnetic Resonance Imaging

T2 - Journal of Dental Research

AU - Shafiei, Fereshteh

AU - Honda, E.

AU - Takahashi, H.

AU - Sasaki, T.

PY - 2003

DA - 2003/08/01

PB - SAGE

SP - 602-606

IS - 8

VL - 82

PMID - 12885843

SN - 0022-0345

SN - 1544-0591

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2003_Shafiei,

author = {Fereshteh Shafiei and E. Honda and H. Takahashi and T. Sasaki},

title = {Artifacts from Dental Casting Alloys in Magnetic Resonance Imaging},

journal = {Journal of Dental Research},

year = {2003},

volume = {82},

publisher = {SAGE},

month = {aug},

url = {https://doi.org/10.1177/154405910308200806},

number = {8},

pages = {602--606},

doi = {10.1177/154405910308200806}

}

MLA

Cite this

MLA Copy

Shafiei, Fereshteh, et al. “Artifacts from Dental Casting Alloys in Magnetic Resonance Imaging.” Journal of Dental Research, vol. 82, no. 8, Aug. 2003, pp. 602-606. https://doi.org/10.1177/154405910308200806.

Publisher

SAGE

Journal

Journal of Dental Research

scimago Q1

wos Q1

SJR

1.839

CiteScore

13.1

Impact factor

5.9

ISSN

00220345 (Print)

15440591 (Electronic)