PETRA, MSVAT-SPACE and SEMAC sequences for metal artefact reduction in dental MR imaging

T Hilgenfeld, M Prager, A Heil, FS Schwindling… - European …, 2017 - Springer
Objectives Dental MRI is often impaired by artefacts due to metallic dental materials. Several
sequences were developed to reduce susceptibility artefacts. Here, we evaluated a set of …

MSVAT-SPACE-STIR and SEMAC-STIR for reduction of metallic artifacts in 3T head and neck MRI

T Hilgenfeld, M Prager… - American Journal …, 2018 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The incidence of metallic dental restorations and implants
is increasing, and head and neck MR imaging is becoming challenging regarding artifacts …

A standardized evaluation of artefacts from metallic compounds during fast MR imaging

S Murakami, RG Verdonschot… - Dentomaxillofacial …, 2016 - academic.oup.com
Objectives: Metallic compounds present in the oral and maxillofacial regions (OMRs) cause
large artefacts during MR scanning. We quantitatively assessed these artefacts embedded …

Reduction of dental metallic artefacts in CT: value of a newly developed algorithm for metal artefact reduction (O-MAR)

M Kidoh, T Nakaura, S Nakamura, S Tokuyasu… - Clinical radiology, 2014 - Elsevier
Aim To evaluate the image quality of O-MAR (Metal Artifact Reduction for Orthopedic
Implants) for dental metal artefact reduction. Materials and methods This prospective study …

[HTML][HTML] Influence of pulse sequence parameters at 1.5 T and 3.0 T on MRI artefacts produced by metal–ceramic restorations

ARG Cortes, R Abdala-Junior, M Weber… - Dentomaxillofacial …, 2015 - ncbi.nlm.nih.gov
Objectives: Susceptibility artefacts from dental materials may compromise MRI diagnosis.
However, little is known regarding MRI artefacts of dental material samples with the clinical …

Normalized metal artifact reduction in head and neck computed tomography

MM Lell, E Meyer, MA Kuefner, MS May… - Investigative …, 2012 - journals.lww.com
Objective Artifacts from dental hardware affect image quality and the visualization of lesions
in the oral cavity and oropharynx in computed tomography (CT). Therefore, magnetic …

Impact of iterative metal artifact reduction on diagnostic image quality in patients with dental hardware

J Weiß, C Schabel, M Bongers, R Raupach… - Acta …, 2017 - journals.sagepub.com
Background Metal artifacts often impair diagnostic accuracy in computed tomography (CT)
imaging. Therefore, effective and workflow implemented metal artifact reduction algorithms …

A newly-developed metal artifact reduction algorithm improves the visibility of oral cavity lesions on 320-MDCT volume scans

Y Funama, K Taguchi, D Utsunomiya, S Oda, K Hirata… - Physica Medica, 2015 - Elsevier
Purpose To investigate whether a newly-developed single-energy metal artifact reduction
(SEMAR) algorithm applied to images acquired on a 320-MDCT volume scanner reduces …

Dental CT metal artefact reduction based on sequential substitution

S Tohnak, AJH Mehnert, M Mahoney… - Dentomaxillofacial …, 2011 - academic.oup.com
Objective: Metal artefacts can seriously degrade the visual quality and interpretability of
dental CT images. Existing image processing algorithms for metal artefact reduction (MAR) …

Artifact reduction from metallic dental materials in T1‐weighted spin‐echo imaging at 3.0 tesla

SY Zho, MO Kim, KW Lee… - Journal of Magnetic …, 2013 - Wiley Online Library
Purpose: To investigate and propose a method of artifact reduction arising from metallic
dental materials by applying a slice‐encoding for metal artifact correction (SEMAC) …