Remineralization of root caries monitored using cross polarization optical coherence tomography

Cynthia L. Darling; Michal Staninec; Kenneth H. Chan; Hobin Kang; Daniel Fried

doi:10.1117/12.914633

7 February 2012 Remineralization of root caries monitored using cross polarization optical coherence tomography

Cynthia L. Darling, Michal Staninec, Kenneth H. Chan, Hobin Kang, Daniel Fried

Proceedings Volume 8208, Lasers in Dentistry XVIII; 82080V (2012) https://doi.org/10.1117/12.914633
Event: SPIE BiOS, 2012, San Francisco, California, United States

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. CPOCT 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.

Citation Download Citation

Cynthia L. Darling, Michal Staninec, Kenneth H. Chan, Hobin Kang, and Daniel Fried "Remineralization of root caries monitored using cross polarization optical coherence tomography", Proc. SPIE 8208, Lasers in Dentistry XVIII, 82080V (7 February 2012); https://doi.org/10.1117/12.914633

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