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Publication:
International Journal of Adult Orthodontics and Orthognathic Surgery

Year 1995
Volume 10 , Issue 4

Back
Pages: 247 - 254

Measurement of pulpal blood flow in humans using laser Doppler flowmetry: A technique allowing stability and repeatability of pulpal blood flow measurement during surgical manipulations

Anderson/Vanarsdall/Kim

This study was undertaken to validate the repeatability of pulpal blood flow in human teeth with the laser Doppler flowmetry technique using a repeatable method of attachment of the laser Doppler probe. The variation in laser Doppler flowmetry measurments was evaluated over time periods that ranged from hours to days. In a prospective study, the pulpal blood flow was recorded from a maxillary central incisor (randomly selected) at a site directly gingival to the orthodontic bracket of three subjects. Measurements were made eight times over a 2-week period and every 30 minutes over four hours for eight recordings. The results indicated that there was only a slight difference between the temporal variability of the laser Doppler measuremnts over the course of 4 hours (intraday variability) or 2 weeks (interday variability). Furthermore, it appeared that subjects varied in their mean value recordings and may have varied widely in their respective signal-to-noise ratios.

 

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