Assessment of simulated lesions on primary teeth with near-infrared imaging

Wilson Tam; Robert C. Lee; Brent Lin; Jacob C. Simon; Daniel Fried

doi:10.1117/12.2218660

29 February 2016 Assessment of simulated lesions on primary teeth with near-infrared imaging

Wilson Tam, Robert C. Lee, Brent Lin, Jacob C. Simon, Daniel Fried

Proceedings Volume 9692, Lasers in Dentistry XXII; 96920V (2016) https://doi.org/10.1117/12.2218660
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

Previous studies have demonstrated that the structural changes on enamel due to demineralization and remineralization can be exploited through optical imaging methods such as QLF, thermal and NIR imaging. The purpose of this study is to investigate whether PS-OCT and NIR reflectance imaging can be utilized to assess lesion structure in artificial enamel lesions on the smooth surfaces of primary teeth exposed to fluoride. The smooth coronal surfaces of primary teeth (n=25) were divided into 4 windows: sound, demineralization, demineralization with remineralization and APF with demineralization. Windows were treated with either acidulated phosphate fluoride (APF) for 1 minute, a demineralization solution for 4 days, and/or an acidic remineralization solution for 12 days. The samples were imaged using PS-OCT, QLF and NIR reflectance at 1400–1700 nm wavelengths. This study demonstrated that both PS-OCT and NIR reflectance imaging were suitable for assessing lesion structure in the smooth surfaces of primary dentition.

Citation Download Citation

Wilson Tam, Robert C. Lee, Brent Lin, Jacob C. Simon, and Daniel Fried "Assessment of simulated lesions on primary teeth with near-infrared imaging", Proc. SPIE 9692, Lasers in Dentistry XXII, 96920V (29 February 2016); https://doi.org/10.1117/12.2218660

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