Clinical guidelines for dental cone-beam computed tomography

…, M Naitoh, E Nakayama, Y Nikkuni, H Nishiyama… - Oral radiology, 2018 - Springer
Dental cone-beam computed tomography (CBCT) received regulatory approval in Japan in
2000 and has been widely used since being approved for coverage by the National Health …

Diagnostic imaging for a case of maxillary myxoma with a review of the magnetic resonance images of myxoid lesions

T Kawai, S Murakami, H Nishiyama, M Kishino… - Oral Surgery, Oral …, 1997 - Elsevier
The findings of conventional radiography, computed tomography, and magnetic resonance
imaging are reported for an odontogenic myxoma arising in the left anterior maxilla of a 50-…

Comparison of altered signal intensity, position, and morphology of the TMJ disc in MR images corrected for variations in surface coil sensitivity

K Orhan, H Nishiyama, S Tadashi, S Murakami… - Oral Surgery, Oral …, 2006 - Elsevier
OBJECTIVE: The purpose of this study is to evaluate the corrections of signal intensity of the
temporomandibular joint (TMJ) disc caused by variations in sensitivity of the magnetic …

CT and MR imaging features of oral and maxillofacial hemangioma and vascular malformation

N Kakimoto, K Tanimoto, H Nishiyama… - European journal of …, 2005 - Elsevier
PURPOSE:: To present CT and MR images and compare CT and MRI features of oral and
maxillofacial hemangioma and vascular malformation. MATERIAL AND METHODS:: The …

Masseter muscle cross‐sectional area and late implant failure: A case–control study

…, N Matsuzaki, Y Yamazaki, H Nishiyama… - … Implant Dentistry and …, 2023 - Wiley Online Library
Introduction Occlusal overload is considered to be one of the causes of late implant failure.
However, it is unclear whether the magnitude of the patient's occlusal force is a risk factor for …

MR of 2270 TMJs: prevalence of radiographic presence of otomastoiditis in temporomandibular joint disorders

K Orhan, H Nishiyama, S Tadashi, M Shumei… - European journal of …, 2005 - Elsevier
OBJECTIVE: : The purpose of this study is to determine the prevalence of radiographic presence
of otomastoiditis while examining temporomandibular joint (TMJ) disorders in magnetic …

Evaluation of permanent and primary enamel and dentin mineral density using micro-computed tomography

…, J Shimomura-Kuroki, M Ike, Y Nikkuni, H Nishiyama - Oral Radiology, 2019 - Springer
Objectives The present study was performed to investigate the mineral density distribution
in enamel and dentin for both permanent and primary teeth and to establish the standard …

Finite element analysis of implant-embedded maxilla model from CT data: comparison with the conventional model

N Okumura, R Stegaroiu, H Nishiyama… - Journal of …, 2011 - jstage.jst.go.jp
Purpose: There are no entire maxillary finite element analysis models available, as a base
of reference for the dimensions of conventional segment finite element analysis models. The …

Clinical significance of T2 mapping MRI for the evaluation of masseter muscle pain in patients with temporomandibular joint disorders

Y Nikkuni, H Nishiyama, T Hayashi - Oral Radiology, 2013 - Springer
Objectives Masticatory muscle pain is one of the typical symptoms of temporomandibular
joint disorders (TMD). T2 mapping (distribution of T2 values) is a notable MRI technique for …

MRI of nasoalveolar cyst: case report

K Tanimoto, N Kakimoto, H Nishiyama… - Oral Surgery, Oral …, 2005 - Elsevier
Nasoalveolar cyst is a rare nonodontogenic cyst arising in the nasoalar region of the face. In
this case, a 39-year-old female had a nontender, fluctuant, soft, round, and bluish lesion in …