1. Articles from Hyo-sang Park

    1-3 of 3
    1. Analysis of Enamel Loss by Prophylaxis and Etching Treatment in Human Tooth Using Optical Coherence Tomography: An In Vitro Study

      Analysis of Enamel Loss by Prophylaxis and Etching Treatment in Human Tooth Using Optical Coherence Tomography: An In Vitro Study

      Bonding of braces is an essential part in contemporary orthodontic treatment. For the proper strength of bracket bonding, enamel conditioning or surface treatment on tooth surface is required. Treatment on the tooth surface such as prophylaxis smoothing with pumice and enamel etching results in considerable damages to the enamel surface of the tooth. In this study, we have proposed optical coherence tomography as a noninvasive imaging technique for the evaluation of damage induced during such treatment procedures. Using depth intensity analysis of the obtained cross-sectional images, the damage resulting to the enamel surface was studied after prophylaxis smoothening and etching ...

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    2. 3-Dimensional characterization of cortical bone microdamage following placement of orthodontic microimplants using Optical Coherence Tomography

      3-Dimensional characterization of cortical bone microdamage following placement of orthodontic microimplants using Optical Coherence Tomography

      Microimplants are being used extensively in clinical practice to achieve absolute anchorage. Success of microimplant mainly depend on its primary stability onto the cortical bone surface and the associated Microdamage of the cortical bone during insertion procedure leads to many a microimplants to fail and dislodge from the cortical bone leading to its failure. Even though, previous studies showed occurrence of microdamage in the cortical bone, they were mainly 2-dimension studies or studies that were invasive to the host. In the present study, we used a non-invasive, non-ionizing imaging technique- Optical Coherence Tomography (OCT), to image and analyze the presence ...

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    3. Assessment of cortical bone microdamage following insertion of microimplants using optical coherence tomography: a preliminary study

      Assessment of cortical bone microdamage following insertion of microimplants using optical coherence tomography: a preliminary study

      Objectives: The study was done to evaluate the efficacy of optical coherence tomography (OCT), to detect and analyze the microdamage occurring around the microimplant immediately following its placement, and to compare the findings with micro-computed tomography (μCT) images of the samples to validate the result of the present study. Methods: microimplant s were inserted into bovine bone samples. Images of the samples were obtained using OCT and μCT. Visual comparisons of the images were made to evaluate whether anatomical details and microdamage induced by microimplant insertion were accurately revealed by OCT. Results: The surface of the cortical bone with its ...

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    1-3 of 3
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  2. Topics in the News

    1. (3 articles) Naresh Kumar Ravichandran
    2. (3 articles) Mansik Jeon
    3. (3 articles) Jeehyun Kim
    4. (2 articles) Kyungpook National University
    5. (1 articles) Institute of Applied Physics
    6. (1 articles) Medical University of Vienna
    7. (1 articles) Kyungpook National University
    8. (1 articles) Singapore Eye Research Institute
    9. (1 articles) University of Western Australia
    10. (1 articles) Stefan G. Sacu
    11. (1 articles) Brendan F. Kennedy
    12. (1 articles) Yongyang Huang
    13. (1 articles) Jeehyun Kim
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    Assessment of cortical bone microdamage following insertion of microimplants using optical coherence tomography: a preliminary study 3-Dimensional characterization of cortical bone microdamage following placement of orthodontic microimplants using Optical Coherence Tomography Analysis of Enamel Loss by Prophylaxis and Etching Treatment in Human Tooth Using Optical Coherence Tomography: An In Vitro Study Full-range space-division multiplexing optical coherence tomography angiography Measuring 3D Optic Nerve Head Deformations using Digital Volume Correlation of in vivo Optical Coherence Tomography Data (Thesis) Optical coherence tomography for characterization of nanocomposite materials (Thesis) In Vivo Corneal Microstructural Changes in Herpetic Stromal Keratitis: A Spectral-Domain Optical Coherence Tomography Analysis Non-invasive optical screening of Streptococcus Pneumonia based inflammatory changes of the tympanic membrane and mastoid mucosa in guinea pig otitis media using optical coherence tomography Visual function tests including the role of optical coherence tomography in neurofibromatosis Strain and elasticity imaging in compression optical coherence elastography: the two‐decade perspective and recent advances Imaging the Choroid: From Indocyanine Green Angiography to Optical Coherence Tomography Angiography Retinal vessel architecture in retinopathy of prematurity and healthy controls using swept‐source optical coherence tomography angiography