Dr. Alireza Sadr Profile

Dr. Alireza Sadr

Acting Associate Professor at Univ of Washington School of Dentistry

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 5 March 2021 Presentation

Presentation

O-pH preliminary report: first-in-human clinical testing of oral biofilm pH using a non-contact optical probe

Manuja Sharma, Lauren Lee, Matthew Carson, David Park, Se Won An, Micah Bovenkamp, Jess Cayetano, Ian Berude, Zheng Xu, Alireza Sadr, Shwetak Patel, Eric Seibel

Proceedings Volume 11627, 116270J (2021) https://doi.org/10.1117/12.2579088

KEYWORDS: Luminescence, Dental caries, Bacteria, Teeth, Statistical modeling, Photodiodes, Optical testing, Measurement devices, Light emitting diodes, In vivo imaging

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Proceedings Article | 7 March 2019 Presentation

Presentation

Fluorescein based optical detection of oral pH (Conference Presentation)

Manuja Sharma, Jasmine Graham, Philip Walczak, Ryan Nguyen, Lauren Lee, Matthew Carson, Alireza Sadr, Zheng Xu, Len Nelson, Shwetak Patel, Eric Seibel

Proceedings Volume 10857, 108570B (2019) https://doi.org/10.1117/12.2511219

KEYWORDS: Bacteria, Optical testing, Luminescence, Mouth, Teeth, Dental caries, Fiber optics tests, Fiber optics, Fiber couplers, Light emitting diodes

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Proceedings Article | 28 February 2019 Paper

Paper

Near-infrared endoscopic imaging of deep artificial approximal lesions in extracted teeth

Yaxuan Zhou, Robert Lee, Sara Finkleman, Alireza Sadr, Eric Seibel

Proceedings Volume 10857, 108570I (2019) https://doi.org/10.1117/12.2510310

KEYWORDS: Teeth, Optical coherence tomography, Imaging systems, Video, Near infrared, Endoscopy, Specular reflections, Light scattering, Endoscopes, Scattering

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Proceedings Article | 9 February 2018 Presentation + Paper

Presentation + Paper

Near-infrared dental imaging using scanning fiber endoscope

Yaxuan Zhou, Robert Lee, Alireza Sadr, Eric Seibel

Proceedings Volume 10473, 1047308 (2018) https://doi.org/10.1117/12.2295080

KEYWORDS: Teeth, Near infrared, Specular reflections, Endoscopes, Imaging systems, Dental caries, Scattering, Luminescence, Optical coherence tomography, Transparency

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SPIE Journal Paper | 22 September 2016

Optical analysis of enamel and dentin caries in relation to mineral density using swept-source optical coherence tomography

Tomoka Ueno, Yasushi Shimada, Khairul Matin, Yuan Zhou, Ikumi Wada, Alireza Sadr, Yasunori Sumi, Junji Tagami

JMI, Vol. 3, Issue 03, 035507, (September 2016) https://doi.org/10.1117/12.10.1117/1.JMI.3.3.035507

KEYWORDS: Dental caries, Minerals, Signal attenuation, Optical coherence tomography, Teeth, Optical analysis, Light scattering, Scattering, Tissues, Electrodes

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SPIE Journal Paper | 8 March 2016

Assessment of cervical demineralization induced by Streptococcus mutans using swept-source optical coherence tomography

Hiroki Tezuka, Yasushi Shimada, Khairul Matin, Masaomi Ikeda, Alireza Sadr, Yasunori Sumi, Junji Tagami

JMI, Vol. 3, Issue 01, 014504, (March 2016) https://doi.org/10.1117/12.10.1117/1.JMI.3.1.014504

KEYWORDS: Dental caries, Optical coherence tomography, Teeth, Statistical analysis, Medicine, Liquids, Image analysis, Minerals, Dentistry, Cements

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SPIE Journal Paper | 11 February 2015

Assessment of natural enamel lesions with optical coherence tomography in comparison with microfocus x-ray computed tomography

Jorge Espigares, Alireza Sadr, Hidenori Hamba, Yasushi Shimada, Masayuki Otsuki, Junji Tagami, Yasunori Sumi

JMI, Vol. 2, Issue 01, 014001, (February 2015) https://doi.org/10.1117/12.10.1117/1.JMI.2.1.014001

KEYWORDS: Optical coherence tomography, X-ray computed tomography, Minerals, Teeth, Signal attenuation, Imaging systems, X-rays, Dental caries, 3D image processing, Image analysis

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SPIE Journal Paper | 7 May 2014 Open Access

Open Access

Evaluation of the marginal fit at implant–abutment interface by optical coherence tomography

Keisuke Kikuchi, Norihisa Akiba, Alireza Sadr, Yasunori Sumi, Junji Tagami, Shunsuke Minakuchi

JBO, Vol. 19, Issue 05, 055002, (May 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.5.055002

KEYWORDS: Optical coherence tomography, Interfaces, Tissues, Imaging systems, Tissue optics, Signal attenuation, Bone, Natural surfaces, X-rays, Light scattering

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SPIE Journal Paper | 27 January 2014 Open Access

Open Access

Detection of occlusal caries in primary teeth using swept source optical coherence tomography

Yukie Nakajima, Yasushi Shimada, Alireza Sadr, Ikumi Wada, Michiyo Miyashin, Yuzo Takagi, Junji Tagami, Yasunori Sumi

JBO, Vol. 19, Issue 01, 016020, (January 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.1.016020

KEYWORDS: Dental caries, Teeth, Optical coherence tomography, Optical inspection, Visualization, In vitro testing, Imaging systems, Tissues, Signal attenuation, In vivo imaging

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SPIE Journal Paper | 25 July 2013 Open Access

Open Access

Nondestructive assessment of current one-step self-etch dental adhesives using optical coherence tomography

Baba Bista, Alireza Sadr, Amir Nazari, Yasushi Shimada, Yasunori Sumi, Junji Tagami

JBO, Vol. 18, Issue 07, 076020, (July 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.7.076020

KEYWORDS: Adhesives, Optical coherence tomography, Interfaces, Composites, Nondestructive evaluation, Signal attenuation, Teeth, Tissues, Image analysis, Statistical analysis

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SPIE Journal Paper | 5 April 2013 Open Access

Open Access

Monitoring remineralization of enamel subsurface lesions by optical coherence tomography

Mona Mandurah, Alireza Sadr, Yasushi Shimada, Yuichi Kitasako, Syozi Nakashima, Turki Bakhsh, Junji Tagami, Yasunori Sumi

JBO, Vol. 18, Issue 04, 046006, (April 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.4.046006

KEYWORDS: Optical coherence tomography, Signal attenuation, Tissues, Minerals, Calcium, Dental caries, Reflectivity, Backscatter, Surface finishing, Polishing

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Proceedings Article | 25 March 2013 Paper

Paper

Monitoring of enamel lesion remineralization by optical coherence tomography: an alternative approach towards signal analysis

Alireza Sadr, Mona Mandurah, Syozi Nakashima, Yasushi Shimada, Yuichi Kitasako, Junji Tagami, Yasunori Sumi

Proceedings Volume 8566, 856602 (2013) https://doi.org/10.1117/12.2001629

KEYWORDS: Optical coherence tomography, Dental caries, Signal attenuation, Signal analysis, Reflectivity, Dentistry, Ions, Neodymium, Tissues, Visualization

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Proceedings Article | 30 January 2012 Paper

Paper

Longitudinal assessment of subsurface artificial root caries lesions by optical coherence tomography in comparison with transverse microradiography

Alireza Sadr, Syozi Nakashima, Yasushi Shimada, Junji Tagami, Yasunori Sumi

Proceedings Volume 8208, 82080H (2012) https://doi.org/10.1117/12.910707

KEYWORDS: Optical coherence tomography, Minerals, Dental caries, Reflectivity, Teeth, X-rays, Remote sensing, X-ray imaging, Reflection, In vitro testing

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Proceedings Article | 30 January 2012 Paper

Paper

Relationship between non-destructive OCT evaluation of resins composites and bond strength in a cavity

T. Bakhsh, A. Sadr, Y. Shimada, S. Khunkar, J. Tagami, Y. Sumi

Proceedings Volume 8208, 820809 (2012) https://doi.org/10.1117/12.908365

KEYWORDS: Composites, Optical coherence tomography, Adhesives, Signal detection, Interfaces, Composite resins, Teeth, Testing and analysis, Image analysis, Nondestructive evaluation

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Proceedings Article | 30 January 2012 Paper

Paper

Relationship between refractive index and mineral content of enamel and dentin using SS-OCT and TMR

Ilnaz Hariri, Alireza Sadr, Yasushi Shimada, Syozi Nakashima, Yasunori Sumi, Junji Tagami

Proceedings Volume 8208, 82080M (2012) https://doi.org/10.1117/12.908290

KEYWORDS: Optical coherence tomography, Minerals, Polishing, Refractive index, Teeth, Tissue optics, Metals, Tissues, Image analysis, Hard tissue optics

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SPIE Journal Paper | 1 July 2011 Open Access

Open Access

Estimation of lesion progress in artificial root caries by swept source optical coherence tomography in comparison to transverse microradiography

Yuko Natsume, Syozi Nakashima, Yasushi Shimada, Alireza Sadr, Junji Tagami, Yasunori Sumi

JBO, Vol. 16, Issue 07, 071408, (July 2011) https://doi.org/10.1117/12.10.1117/1.3600448

KEYWORDS: Optical coherence tomography, Minerals, Dental caries, Reflectivity, Teeth, Biological research, Reflection, Refractive index, Imaging systems, Image processing

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Proceedings Article | 18 February 2011 Paper

Paper

Swept source optical coherence tomography for quantitative and qualitative assessment of dental composite restorations

Alireza Sadr, Yasushi Shimada, Juan Ricardo Mayoral, Ilnaz Hariri, Turki Bakhsh, Yasunori Sumi, Junji Tagami

Proceedings Volume 7884, 78840C (2011) https://doi.org/10.1117/12.877351

KEYWORDS: Composites, Optical coherence tomography, Polymerization, 3D image processing, Imaging systems, Interfaces, Teeth, Adhesives, Tissues, Video

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Showing 5 of 17 publications

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