Rao, B., Cai, X., Favazza, C., Yao, J., Li, L., Duong, S., Liaw, L., Holtzman, J., Wilder-Smith, P. and Wang, L.V. (2011) Photoacoustic Microscopy of Human Teeth. Proceedings of SPIE, 7884, Article ID: 78840U.
http://dx.doi.org/10.1117/12.874070

has been cited by the following article:

• TITLE: Detection of Photoacoustic Signals from Blood in Dental Pulp

  AUTHORS: Azusa Yamada, Satoko Kakino, Yuji Matsuura

  KEYWORDS: Photoacoustic Sensing, Dental Root, Hemoglobin Detection, Near Infrared Laser

  JOURNAL NAME: Optics and Photonics Journal, Vol.6 No.9, September 30, 2016

  ABSTRACT: Photoacoustic waves from hemoglobin solutions in dental roots are detected by using a 1064-nm laser and an ultrasonic soft probe based on a composite transducer on the tooth surface. The high-frequency ultrasonic waves are detected from a tooth with a hemoglobin solution in the pulp cavity due to the large heat transfer coefficient and absorption coefficient of hemoglobin. The spectral intensities of frequency components higher than 1 MHz show good correlation with the hemoglobin solution concentrations, and maps of frequency spectra calculated by taking short-time Fourier transforms clearly exhibit the effect of absorbance in dental pulp.