Yoshihiko Hayakawa
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Explore the profile of Yoshihiko Hayakawa including associated specialties, affiliations and a list of published articles.
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Articles
9
Citations
37
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Recent Articles
1.
Sun B, Hayakawa Y
Oral Radiol
. 2018 Nov;
34(3):237-244.
PMID: 30484036
Objectives: To examine the effect of incomplete, or total elimination of, projection data on computed tomography (CT) images subjected to statistical reconstruction and/or compressed sensing algorithms. Methods: Multidetector row CT...
2.
Dong J, Hayakawa Y, Kannenberg S, Kober C
Oral Surg Oral Med Oral Pathol Oral Radiol
. 2012 Oct;
115(2):e63-73.
PMID: 23036800
Objective: The objective of this study was to reduce metal-induced streak artifact on oral and maxillofacial x-ray computed tomography (CT) images by developing the fast statistical image reconstruction system using...
3.
Matsushita T, Miyati T, Nakayama K, Hamaguchi T, Hayakawa Y, Farman A, et al.
J Biomed Opt
. 2011 Aug;
16(7):076004.
PMID: 21806265
We developed a novel system for imaging and qualitatively analyzing the surface vessels using near-infrared (NIR) radiation using tuned aperture computed tomography (TACT(®)). The system consisted of a NIR-sensitive CCD...
4.
Dong J, Kondo A, Abe K, Hayakawa Y
Int J Comput Assist Radiol Surg
. 2011 Jan;
6(5):635-40.
PMID: 21207177
Purpose: X-ray computed tomography (CT) images in the dento-alveolar region are sometimes rendered unusable for diagnostic purposes due to the appearance of streak artifacts. The purpose of the study is...
5.
Ohkubo M, Sano T, Otonari-Yamamoto M, Hayakawa Y, Okano T, Sakurai K, et al.
Bull Tokyo Dent Coll
. 2009 Oct;
50(2):55-62.
PMID: 19815992
Magnetic resonance imaging (MRI) on patients with temporomandibular joint disorders (TMD) has revealed that a decrease and/or increase in signal intensity from retrodiscal tissue, joint effusion (the excessive accumulation of...
6.
Ohkubo M, Sano T, Ishida R, Higaki T, Nishikawa K, Hayakawa Y, et al.
Bull Tokyo Dent Coll
. 2009 Jan;
49(3):113-9.
PMID: 19129686
Evaluation of swallowing has been made possible by cine-Magnetic resonance (MR) imaging with high time resolution. However, the spatial resolution in cine-MR imaging remains inadequate for the detection of anatomical...
7.
Yajima A, Otonari-Yamamoto M, Sano T, Hayakawa Y, Otonari T, Tanabe K, et al.
Bull Tokyo Dent Coll
. 2007 Mar;
47(3):133-41.
PMID: 17344621
Cone-beam CT (CBCT) systems specifically designed for hard-tissue imaging of the maxillofacial region have recently become commercially available. The newly-developed CBCT system, CB Throne (Hitachi Medical Corp., Tokyo), is characterized...
8.
Hayakawa Y, Yamamoto K, Kousuge Y, Kobayashi N, Wakoh M, Sekiguchi H, et al.
Bull Tokyo Dent Coll
. 2003 Dec;
44(3):159-67.
PMID: 14694831
Based on technical studies and clinical examinations, the clinical value of a new three-dimensional dento-alveolar imaging system, Tuned-Aperture Computed Tomography (TACT), were examined for dental applications. TACT is a conventional...
9.
Yamamoto K, Hayakawa Y, Kousuge Y, Wakoh M, Sekiguchi H, Yakushiji M, et al.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod
. 2003 Jan;
95(1):109-18.
PMID: 12539036
Objective: This clinical study compares the diagnostic value of interactive 3-dimensional tuned-aperture computed tomography (TACT) with conventional dentoalveolar radiographic examinations of impacted maxillary incisors. Study Design: TACT was compared variously...