CBCT image
MRI and CBCT image registration of temporomandibular joint: a systematic review
... registered images in the brain, skull and nasopharynx re- gions. Three studies have reported the accuracy of regis- tration of MRI to CBCT images [17, 18, 29]. Pawiro et al. used fixed fiducial markers, to a ...
7
Diagnosis and quantitative assessment of mandibular asymmetry using CBCT image volumes
... Software applications based on cone-beam computed tomography (CBCT) or spiral Computer tomography (CT) allow virtual preparation of the operative plan, however, precise knowledge of the location of the facial ...
50
Fully customized placement of orthodontic miniplates: a novel clinical technique
... Furthermore, virtual placement of the pilot holes and mini-plate on the CBCT image, using dedicated soft- ware, allows the clinician to precisely determine the final position of the plate during the surgery ...
7
Comparison of different registration methods and landmarks for image-guided radiation therapy of pulmonary tumors
... Manual image registration using the tumor as the marker after a CBCT is often used in the clinical ...obtained CBCT images contain infor- mation of respiratory motion because the acquisition of these ...
6
Development of a 4D digital phantom for Cone-Beam CT (CBCT) imaging on the Varian On-Board Imager (OBI)
... during image guided radiotherapy (IGRT) is important especially during thoracic and abdomen scanning protocols such as cone -beam CT (CBCT) ...during CBCT image reconstruction based on Varian ...
10
Method for Converting Cone Beam CT Values into Hounsfield Units for Radiation Treatment Planning
... from CBCT images because of the effects of scatter contamination during CBCT image ...of CBCT images (CBCT values) into Hounsfield units (HUs) of radiation treatment simulation CT ...
15
Effectiveness of a Patient Specific Immobilization and Positioning System to Limit Interfractional Translation and Rotation Setup Errors in Radiotherapy of Prostate Cancers
... Reducing the PTV is always a difficult decision within many institutions, although evidences from a number of prostate motion analysis and setup evaluations constantly indicated the feasibility through daily or adaptive ...
12
Three-dimensional evaluation of root position at the reset appointment without radiographs: a proof-of-concept study
... reset CBCT scan crowns in which minimal differences were ...the CBCT scan to create a small separation between the upper and lower teeth allowing for easier segmentation of the occlusal ...a CBCT ...
9
Original Article Accuracy of assessing gingival thickness in the esthetic maxillary region by periodontal probing, cone-beam computed tomography and digital scanning
... the image obtained from CBCT and the EDS of a gypsum cast of the maxillary ...the CBCT image according to a best-fit algorithm as in ...
8
Analysis of Dose Calculation Accuracy in Cone Beam Computed Tomography with Various Amount of Scattered Photon Contamination
... achieve CBCT-based radiation treatment ...lung image. The Monte Carlo method was used to calculate CBCT projection data, and we made two calibration curves for con- ditions with or without scattered ...
19
A Rare Clinical Presentation of an Osteochondroma of Coronoid Process of Mandible
... Osteochondroma (osteocartilaginous exostosis) is one of the most common benign tumors of bone but is rare in the craniofacial region. Only a few cases of osteochon- droma of the coronoid process have been reported in the ...
6
Role of cbct in periodontics and implant dentistry
... of CBCT to Dentomaxillofacial Radiology is increasing day by ...implantology CBCT truly stands as a privileged one. Recent CBCT machines very efficiently produce an affordable, low radiation high ...
5
Visualisation of the Bonebridge by means of CT and CBCT
... surgery. To achieve this purpose, a transcanalicular antro- partial mastoidectomy was performed (Figure 1B) for res- toration (analogous to the extirpation for example of an extended epitympanalis cholesteatoma following ...
6
The Importance of Three Dimensional Imaging from CBCT in Elucidating a Well Defined Radiolucency Image within the Maxillary Sinus: A Case Report
... sions. CBCT was performed to elucidate the radiolucency identified using periapical ...3-D image indicated that the maxillary sinus extended into the alveolar process toward the pa- latal cortical bone in ...
6
Magnitude of observer error using cone beam CT for prostate interfraction motion estimation: effect of reducing scan length or increasing exposure.
... The above studies demonstrate that IOEs should be consid- ered when using 3D imaging without gold markers for veri- fication and defining planning treatment volume margins. It may also be appropriate to investigate the ...
7
High Performance Optical Computed Tomography for Accurate Three-Dimensional Radiation Dosimetry
... To determine the galvanometer control waveform, a transparent ruler was placed in the cen- ter of the water-filled aquarium in a horizontal orientation, spanning the full field of view of the scanner. A profile across ...
256
Cone-beam computed tomography study of root and canal morphology of mandibular premolars in a western Chinese population
... two-dimensional image, resulting in some important features of the tooth and its surrounding tissues being visualized only in the mesio- distal ...using CBCT, and the reports revealed that the application ...
5
Dunn_unc_0153M_15167.pdf
... Morant and co-workers again in 2013 studied MC program EGS4 simulated doses on the iCat next-generation CBCT. The ICRP voxel adult male and female reference phantoms (AM and AF) were evaluated. Nine different FOVs ...
73
Effect of patient anxiety on image motion artefacts in CBCT
... earlier CBCT studies [4, ...during CBCT exam- ination, and it was found that a majority of patients moved at the beginning of ...the CBCT device ...the CBCT device works and showing the tube ...
9
The Buccal Lid Approach for Removal of Impacted Mandibular Molars—When, How and Why?
... Figure 3. Using the buccal lid for augmentation. (a) A 59 year old male presented with a deeply impacted fourth mandibular mo- lar with an adjacent pathology (blue arrow) and increased mobility of left mandibular ...
11