In Pursuit of an Optimum Optical Imaging Technology for Early Detection of Dental Caries

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dc.contributor.advisorTabatabaei, Nima Nima
dc.creatorBaradaran Shokouhi, Elnaz
dc.date.accessioned2019-03-05T14:44:21Z
dc.date.available2019-03-05T14:44:21Z
dc.date.copyright2018-09-26
dc.date.issued2019-03-05
dc.date.updated2019-03-05T14:44:21Z
dc.degree.disciplineMechanical Engineering
dc.degree.levelMaster's
dc.degree.nameMASc - Master of Applied Science
dc.description.abstractClinical caries detection techniques, such as radiographs, are not sensitive to detect and monitor the progression of caries at early stages. In recent years, several optics-based imaging modalities have been proposed for early detection of caries. In this thesis, we report on a systemic comparative study on the performances of optical coherence tomography and thermophotonic lock-in imaging (TPLI) as early caries detection imaging modalities based on light scattering and absorption, respectively. Through controlled demineralization on extracted human teeth, our results suggest that TPLI provides better sensitivity and detection threshold in detecting early stages of caries. The outcome justifies the need for a light-absorption based imaging modality to produce depth-resolved images. Therefore, preliminary imaging studies on a 3-D imaging platform known as a Truncated-Correlation Photothermal Coherence Tomography (TC-PCT) system was conducted to achieve optimal diagnostic yield. The results demonstrate that TC-PCT can detect early caries with significant enhancement in depth-resolution.
dc.identifier.urihttp://hdl.handle.net/10315/35816
dc.language.isoen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectMechanical engineering
dc.subject.keywordslock-in thermography
dc.subject.keywordsoptical coherence tomography
dc.subject.keywordsearly dental caries detection
dc.subject.keywordsartificial demineralization of tooth
dc.titleIn Pursuit of an Optimum Optical Imaging Technology for Early Detection of Dental Caries
dc.typeElectronic Thesis or Dissertation

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