Gainer R Jasa
Overview
Explore the profile of Gainer R Jasa including associated specialties, affiliations and a list of published articles.
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5
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26
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Recent Articles
1.
Weerawanich W, Shimizu M, Takeshita Y, Okamura K, Yoshida S, Jasa G, et al.
Oral Radiol
. 2018 Nov;
35(3):260-271.
PMID: 30484205
Objective: To determine the optimum cone beam computed tomography exposure parameters for specific diagnostic tasks. Methods: A Teflon phantom attached to a half-mandible in a large container was scanned in...
2.
Weerawanich W, Shimizu M, Takeshita Y, Okamura K, Yoshida S, Jasa G, et al.
Oral Radiol
. 2018 Nov;
35(1):59-67.
PMID: 30484183
Objectives: (1) We sought to assess correlation among four representative parameters from a cluster signal-to-noise curve (true-positive rate [TPR] corresponding to background noise, accuracy corresponding to background noise, maximum TPR,...
3.
Takeshita Y, Shimizu M, Jasa G, Weerawanich W, Okamura K, Yoshida S, et al.
Dentomaxillofac Radiol
. 2018 Jan;
47(4):20170369.
PMID: 29376745
Objectives: To compare the results of a new quantitative image quality evaluation method that requires no observers with the results of receiver operating characteristic (ROC) analysis in detecting the mandibular...
4.
Jasa G, Shimizu M, Okamura K, Tokumori K, Takeshita Y, Weerawanich W, et al.
Dentomaxillofac Radiol
. 2017 Jan;
46(4):20160315.
PMID: 28125294
Objectives: The purpose of this study was to clarify the effects of exposure parameters and image-processing methods when using CBCT to detect clear and unclear mandibular canals (MCs). Methods: 24...
5.
Takeshita Y, Shimizu M, Okamura K, Yoshida S, Weerawanich W, Tokumori K, et al.
Dentomaxillofac Radiol
. 2017 Jan;
46(3):20160331.
PMID: 28045343
Objectives: To develop an observer-free method for quantitatively evaluating the image quality of CBCT images by applying just-noticeable difference (JND). Methods: We used two test objects: (1) a Teflon (polytetrafluoroethylene)...