Remineralization of Root Caries Monitored Using Cross-Polarization Optical Coherence Tomography

Proceedings - Society of Photo-Optical Instrumentation Engineers
Cynthia L DarlingDaniel Fried

Abstract

Previous studies have demonstrated that polarization sensitive optical coherence tomography (PS-OCT) can be used to image caries lesions in dentin, measure nondestructively the severity of dentin demineralization, and determine the efficacy of intervention with anticaries agents including fluoride and lasers. However, those studies were limited to artificial lesions on dentin and roots surfaces. The objective of this study is to determine if a cross polarization OCT system (CP-OCT) can be used to nondestructively measure a reduction in the reflectivity of natural root caries lesions after exposure to a remineralization solution. CP-OCT images of 11 teeth with existing root lesions were acquired before and after exposure to a remineralizing solution for 20 days. The integrated reflectivity was calculated after integrating to a fixed depth of 200-µm. There was a significant decrease in the integrated reflectivity after exposure to the remineralizing solution.

Citations

Sep 5, 2019·Journal of Biophotonics·Matheus Del-VallePatricia Ana
Dec 8, 2020·The Cochrane Database of Systematic Reviews·Patrick A FeeDavid Ricketts

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