Articles with "beam computed" as a keyword



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Evaluation of dose accumulation methods and workflows utilising cone beam computed tomography images

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Published in 2022 at "Journal of Medical Radiation Sciences"

DOI: 10.1002/jmrs.622

Abstract: Various adaptive radiation therapy (ART) methods have emerged, with little consensus amongst the literature as to which is most appropriate. This study aimed to compare dose mapping (DM) versus Monte Carlo recalculation (MCR), using cone… read more here.

Keywords: dose accumulation; beam computed; computed tomography; cone beam ... See more keywords
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Accuracy of cone‐beam computed tomography is limited at implant sites with a thin buccal bone: A laboratory study

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Published in 2020 at "Journal of Periodontology"

DOI: 10.1002/jper.20-0222

Abstract: Abstract Background To evaluate whether buccal bone thickness (BBT), implant diameter, and abutment/crown material influence the accuracy of cone‐beam computed tomography (CBCT) to determine the buccal bone level at titanium implants. Methods Two implant beds… read more here.

Keywords: beam computed; cone beam; accuracy cone; bone ... See more keywords
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Diagnostic usefulness of cone‐beam computed tomography versus multi‐detector computed tomography for sinonasal structure evaluation

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Published in 2022 at "Laryngoscope Investigative Otolaryngology"

DOI: 10.1002/lio2.792

Abstract: Cone‐beam computed tomography (CBCT) is a promising imaging modality for sinonasal evaluation, with advantages of relatively low radiation dose, low cost, and quick outpatient imaging. Our study aimed to compare the diagnostic performance and image… read more here.

Keywords: beam computed; computed tomography; cone beam; multi detector ... See more keywords
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3-D MTF Estimation Using Sphere Phantoms for Cone-beam Computed Tomography Systems.

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Published in 2020 at "Medical physics"

DOI: 10.1002/mp.14147

Abstract: PURPOSE For cone-beam computed tomography (CBCT) systems, we propose a sphere phantom based method to estimate the full 3-dimensional (3-D) modulation transfer function (MTF). METHODS The FDK reconstruction of CBCT system in a local region… read more here.

Keywords: estimation; computed tomography; beam computed; sphere phantoms ... See more keywords
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Cone-beam computed tomography-based radiomics in prostate cancer: a mono-institutional study

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Published in 2020 at "Strahlentherapie und Onkologie"

DOI: 10.1007/s00066-020-01677-x

Abstract: The purpose of the reported study was to investigate the value of cone-beam computed tomography (CBCT)-based radiomics for risk stratification and prediction of biochemical relapse in prostate cancer. The study population consisted of 31 prostate… read more here.

Keywords: beam computed; based radiomics; study; prostate cancer ... See more keywords
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Angio-anatomical study of the pterygovaginal artery based on cone-beam computed tomography

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Published in 2021 at "Neuroradiology"

DOI: 10.1007/s00234-021-02657-3

Abstract: To investigate the anatomical characteristics and clinical implications of the pterygovaginal artery (PtVA), a recurrent branch from the distal internal maxillary artery (IMA), which courses through the pterygovaginal canal that connects the pterygopalatine fossa and… read more here.

Keywords: computed tomography; artery; pterygovaginal artery; beam computed ... See more keywords
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Frequency, location, and morphology of accessory maxillary sinus ostia: a retrospective study using cone beam computed tomography (CBCT)

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Published in 2019 at "Surgical and Radiologic Anatomy"

DOI: 10.1007/s00276-019-02308-6

Abstract: Purpose To evaluate the reliability of cone beam computed tomography (CBCT) imagining in the assessment of the frequency, location, and morphological characteristics of accessory maxillary ostia (AMOs), and to analyze a potential association with sinus… read more here.

Keywords: maxillary sinus; location; beam computed; cone beam ... See more keywords
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Evaluation of the pharyngeal recess with cone-beam computed tomography

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Published in 2020 at "Surgical and Radiologic Anatomy"

DOI: 10.1007/s00276-020-02545-0

Abstract: To evaluate the radiological anatomy of the pharyngeal recess (PR) by gender and age. Images of patients who underwent cone-beam computed tomography (CBCT) were analyzed retrospectively. A total of 600 PRs (140 male, 160 female)… read more here.

Keywords: computed tomography; age; beam computed; pharyngeal recess ... See more keywords
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Distances of root apices to adjacent anatomical structures in the anterior maxilla: an analysis using cone beam computed tomography

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Published in 2018 at "Clinical Oral Investigations"

DOI: 10.1007/s00784-018-2650-4

Abstract: ObjectivesThe aim was to assess the anatomical relationship of anterior maxillary teeth to the nasal floor in patients referred for apical surgery.Materials and methodsCone beam computed tomographic images (CBCT) of 83 patients were analysed retrospectively… read more here.

Keywords: maxillary sinus; anatomical structures; beam computed; floor ... See more keywords
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Imaging of nano-hydroxyapatite/chitosan scaffolds using a cone beam computed tomography device on rat calvarial defects with histological verification

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Published in 2019 at "Clinical Oral Investigations"

DOI: 10.1007/s00784-019-02939-4

Abstract: Objectives Τhis study aims at determining the ability of cone beam computed tomography (CBCT) to visualize critical-size defects (CSD) created at rat calvaria and filled with 75/25 w / w nano-hydroxyapatite/chitosan (nHAp/CS) scaffolds, prior to… read more here.

Keywords: computed tomography; beam computed; cone beam; hydroxyapatite chitosan ... See more keywords
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Quantitative assessment of condyle positional changes before and after orthognathic surgery based on fused 3D images from cone beam computed tomography

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Published in 2019 at "Clinical Oral Investigations"

DOI: 10.1007/s00784-019-03128-z

Abstract: Objectives To establish one method that can be used to quantitatively evaluate the condyle positional changes with 3D images in postoperative mandibular prognathism patients. Materials and methods This is a retrospective observational study. Twenty-one patients… read more here.

Keywords: surgery; positional changes; beam computed; position ... See more keywords