Research Topics
| Akitoshi KatsumataSummaryAffiliation: Aichi-Gakuin University Country: Japan Publications
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Detail Information
Publications
Demonstration of the accessory mental foramen using rotational panoramic radiography compared with cone-beam computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Clin Oral Implants Res 22:1415-9. 2011..The visibility of accessory mental foramina on rotational panoramic radiographs was compared with those on para-panoramic images reconstructed from cone-beam computed tomographic (CBCT) images...
Can implants be correctly angulated based on surgical templates used for osseointegrated dental implants?M Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11 Suemori dori, Chikusa ku
Clin Oral Implants Res 11:409-14. 2000..5 degrees to 14.5 degrees. The average was 5.0 degrees, and there were 12 implants (57%) within 5.0 degrees. This study demonstrated the accuracy of the template described in this article...
Bifid mandibular canal in JapaneseMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, and Dental Hospital, Aichi Gakuin University, Nagoya, Japan
Implant Dent 16:24-32. 2007..Since the location and configuration of mandibular canal variations are important in surgical procedures involving the mandible, they should be carefully observed using reconstructed CT images...
Comparison between cone-beam and multislice computed tomography depicting mandibular neurovascular canal structuresMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 109:e25-31. 2010..However, clinical differences between CBCT and MSCT in this task have not been fully clarified. In this investigation, the detection of fine anatomical structures in the mandible was assessed and compared between CBCT and MSCT images...
Assessment of mandibular buccal and lingual cortical bones in postmenopausal womenMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 104:545-50. 2007..Correlations between the widths of mandibular cortical bones and the bone mineral density (BMD) of the spine were analyzed to evaluate the influence of the general bone condition...
Observation of buccal foramen in mandibular body using cone-beam computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Okajimas Folia Anat Jpn 86:25-9. 2009..Also, a buccal foramen showing continuity with the mandibular canal was observed in 7.1% of patients. Buccal foramen presence in the mandibular body could be assessed in detail using CBCT images...
Can mandibular depiction be improved by changing the thickness of double-oblique computed tomography images?Munetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Implant Dent 17:271-7. 2008..Therefore, in this study, it was performed to clarify the mandibular depiction of double-oblique reconstructed images when changing their thickness...
Accessory mental foramen assessment using cone-beam computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11 Suemori dori, Chikusa ku, Nagoya, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 107:289-94. 2009..The purpose of the present study was to assess the accessory mental foramen using cone-beam computed tomography (CBCT) images...
Evaluation of voxel values in mandibular cancellous bone: relationship between cone-beam computed tomography and multislice helical computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11 Suemori dori, Chikusa ku, Nagoya 464 8651, Japan
Clin Oral Implants Res 20:503-6. 2009..Hence, the relationship between voxel values obtained from cone-beam CT with a limited-volume exposure field and a flat panel detector and bone mineral densities (BMDs) obtained from multislice CT was evaluated in the mandible...
Observation of bifid mandibular canal using cone-beam computerized tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11, Suemori Dori, Chikusa ku, Nagoya 464 8651, Japan
Int J Oral Maxillofac Implants 24:155-9. 2009..The purpose of the present investigation was to clarify the rate and type of bifid mandibular canal in the mandibular ramus region, as observed using cone-beam computerized tomography (CBCT) images...
Relationship between cancellous bone density and mandibular canal depictionMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11, Suemori Dori, Chikusa ku, Nagoya 464 8651, Japan
Implant Dent 18:112-8. 2009..The purpose of the present investigation was to clarify the relationship between the depiction of the mandibular canal in digital panoramic images and cancellous bone density assessed using multislice computed tomographic images...
Three-dimensional display with quantitative analysis in alveolar bone resorption using cone-beam computerized tomography for dental use: a preliminary studyMunetaka Naitoh
Section of Dentomaxillofacial Radiology, Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Berne, Switzerland
Int J Periodontics Restorative Dent 26:607-12. 2006..Moreover, the distance between the cementoenamel junction and the bottom of an intrabony defect can be measured automatically using this technique...
Dimensional accuracy of a binder jet model produced from computerized tomography data for dental implantsMunetaka Naitoh
Oral Implant Clinic, Aichi Gakuin University, 2 11, Suemori Dori, Chikusa ku, Nagoya 464 8651, Japan
J Oral Implantol 32:273-6. 2006..2 mm when the setting was 0.50 for the threshold. It is suggested this full-scale model could be applied for presurgical diagnosis, surgical simulation, and the production of surgical templates in dental implant treatment...
Prospective study to estimate mandibular cancellous bone density using large-volume cone-beam computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Clin Oral Implants Res 21:1309-13. 2010..Also, the usefulness of a reference bone block was evaluated on assessing a low mandibular bone density...
Cross-sectional imaging of the jaws for dental implant treatment: accuracy of linear tomography using a panoramic machine in comparison with reformatted computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry, Oral Implant Clinic, Dental Hospital, Nagoya, Japan
Int J Oral Maxillofac Implants 17:107-12. 2002..In this investigation, the measurement accuracy of images obtained by the DLP system in comparison with those from reformatted computed tomography (CT) was assessed...
Measurement of mandibles with microfocus x-ray computerized tomography and compact computerized tomography for dental useMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11, Suemori Dori, Chikusa ku, Nagoya 464 8651, Japan
Int J Oral Maxillofac Implants 19:239-46. 2004..In addition, the accuracy of compact CT for dental use (compact CT) was evaluated using the same method...
Measurement accuracy of reconstructed 2-D images obtained by multi-slice helical computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Japan
Clin Oral Implants Res 15:570-4. 2004..31 mm. It is concluded that the accuracy of the double-oblique reconstructed image measurements with helical scan is high. So this double-oblique program can be applied to the imaging diagnosis in dental implant treatment...
Morphometric analysis of mandibular trabecular bone using cone beam computed tomography: an in vitro studyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Int J Oral Maxillofac Implants 25:1093-8. 2010....
Postoperative tomographic assessment of veneer bone grafting with implant placement in the maxillary anterior regionMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, 2 11 Suemori dori, Chukusa ku, Nagoya 464 8651, Japan
Implant Dent 14:301-7. 2005..No significant difference was found between the implants with and without bone grafts. Resorbed labial bone was observed in the maxillary anterior region with and without veneer bone grafting...
Assessment of three-dimensional X-ray images: reconstruction from conventional tomograms, compact computerized tomography images, and multislice helical computerized tomography imagesMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Hospital, Aichi Gakuin University, 2 11 Suemori dori, Chikusa ku, Nagoya 464 8651, Japan
J Oral Implantol 31:234-41. 2005..It was concluded that compact CT 3D images and multislice helical CT 3D images were useful in dental implant treatment...
Observation of maxillary sinus septa and bony bridges using dry skulls between Hellman's dental age of IA and IIICMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Okajimas Folia Anat Jpn 87:41-7. 2010..Septum presence in the maxillary sinus was observed in IIA, IIC, IIIA, IIIB, and IIIC of Hellman's dental age. Also, bony bridges were observed in IC, IIA, IIC, IIIA, IIIB, and IIIC of Hellman's dental age...
Postoperative assessment of incisor dental implants using cone-beam computed tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
J Oral Implantol 36:377-84. 2010..The mean rate of bone-to-implant contact on the labial side was 78.3% with and 65.3% without bone grafts. The postoperative findings of incisor implants could be assessed using CBCT...
The role of objective plane angulation on the mandibular image using cross-sectional tomographyMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Japan
J Oral Implantol 32:117-21. 2006..The tomographic objective angles should be manually set in accordance with an optimal tomographic plane for individual patients by using the positioning technique in linear tomography...
Assessment of maxillary sinus septa using cone-beam computed tomography: etiological considerationMunetaka Naitoh
Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi Gakuin University, Chikusa ku, Nagoya, Japan
Clin Implant Dent Relat Res 11:e52-8. 2009..Septum presence in the maxillary sinus complicates sinus floor elevation surgery, and so it is important that septa are accurately diagnosed on preoperative imaging...
Reproducibility of landmark identification in the jaw and teeth on 3-dimensional cone-beam computed tomography imagesMariko Fuyamada
Department of Orthodontics, Aichi Gakuin University School of Dentistry, Nagoya, Japan
Angle Orthod 81:843-9. 2011....
Reproducibility of maxillofacial anatomic landmarks on 3-dimensional computed tomographic images determined with the 95% confidence ellipse methodAtsushi Muramatsu
Department of Orthodontics, Aichi Gakuin University School of Dentistry, Nagoya, Japan
Angle Orthod 78:396-402. 2008..To assess the plotting reproducibility of landmarks on 3-dimensional computed tomography (3D-CT) images through use of the 95% confidence ellipse in order to propose sufficiently stable coordinate systems for 3D-CT measurements...
Masseter muscle sonographic features as indices for evaluating efficacy of massage treatmentYoshiko Ariji
Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry, Nagoya, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 110:517-26. 2010..The aim of this study was to clarify the sonographic features of the masseter muscle as indices for judging the efficacy of massage treatment...
Magnetic resonance T2-weighted IDEAL water imaging for assessing changes in masseter muscles caused by low-level static contractionYoshiko Ariji
Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry, Nagoya, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 109:908-16. 2010..The aim of this study was to clarify the changes, using magnetic resonance (MR) images, in the masseter muscles caused by low-level static contraction...
3D-CT evaluation of facial asymmetry in patients with maxillofacial deformitiesMasahito Maeda
First Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry, Nagoya and Gifu, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 102:382-90. 2006..4%) showed asymmetry in all 3 regions. CONCLUSION: The 3D-CT classification for facial asymmetry has the potential to replace the conventional cephalometric classification...
Effects of image artifacts on gray-value density in limited-volume cone-beam computerized tomographyAkitoshi Katsumata
Department of Oral Radiology, Asahi University School of Dentistry, Gifu, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 104:829-36. 2007..An in vitro study was designed to investigate the influence of projection data discontinuity-related artifacts in limited-volume cone-beam computerized tomography (CBCT) imaging of the jaws...
3D-CT evaluation of facial asymmetryAkitoshi Katsumata
Department of Oral Radiology, Asahi University School of Dentistry, Gifu, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 99:212-20. 2005..The present authors have developed a 3D-CT imaging procedure for a 3-dimensional coordinate point evaluation system to assess and diagnose patients with facial asymmetry...
3D CT evaluation of masseter muscle morphology after setback osteotomy for mandibular prognathismAkitoshi Katsumata
Department of Oral Radiology, Asahi University School of Dentistry, Gifu, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 98:461-70. 2004....
Image artifact in dental cone-beam CTAkitoshi Katsumata
Department of Oral Radiology, Asahi University School of Dentistry, Gifu, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 101:652-7. 2006..The purpose of this study was to investigate the appearance and possible cause of an artifact seen in limited-volume cone-beam CT imaging...
Condylar head remodeling following mandibular setback osteotomy for prognathism: a comparative study of different imaging modalitiesAkitoshi Katsumata
Department of Oral Radiology, Asahi University School of Dentistry, Gifu, Japan
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 101:505-14. 2006..Condylar remodeling, which develops after mandibular setback osteotomy, was evaluated and compared in CT, plain film radiographs, and MR images acquired postoperatively...
