CD31 expression in human primary teeth treated with photobiomodulation therapy

CD31 expression in human primary teeth treated with photobiomodulation therapy Purpose This study aimed to evaluate the effects of photobiomodulation (PBM) on CD31 expression in pulp tissue repair of human primary teeth. Materials and methods Fifteen mandibular primary molars were divided into the following groups: GI—calcium hydroxide (CH), GII—PBM + CH, and GIII—PBM + zinc oxide/eugenol (ZOE). In the GII and GII groups, an indium–gallium–aluminum phosphide (InGaAlP) diode laser was used for the irradiation through 320-μm diameter optical fiber in contact with pulp tissue. The red laser diode parameters were set at 660-nm wavelength, 10-mW power output, 2.5-J/cm energy density, 50–60-Hz frequency, output beam area of 0.04 cm , and irradiation time of 10 s in continuous mode. After pulpotomy treatment, clinical and radiographic follow-ups were accomplished until the teeth achieved regular exfoliation period. Teeth were extracted for histo- logical analysis and immunolocalization of CD31. Histopathological statistical analyses were performed by Kruskal-Wallis followed by Dunn test to determine statistically significant differences (p <0.05). Results Although GII showed no inflammation or discreet inflammatory cells, the comparison among the groups using a score system revealed no statistically significant differences regarding inflammation and the amount of blood vessels. The immuno- histochemistry analysis revealed positive CD31 expression in the blood vessels of all http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Lasers in Dental Science Springer Journals

CD31 expression in human primary teeth treated with photobiomodulation therapy

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Dentistry; Dentistry; Optics, Lasers, Photonics, Optical Devices
eISSN
2367-2587
D.O.I.
10.1007/s41547-018-0025-4
Publisher site
See Article on Publisher Site

Abstract

Purpose This study aimed to evaluate the effects of photobiomodulation (PBM) on CD31 expression in pulp tissue repair of human primary teeth. Materials and methods Fifteen mandibular primary molars were divided into the following groups: GI—calcium hydroxide (CH), GII—PBM + CH, and GIII—PBM + zinc oxide/eugenol (ZOE). In the GII and GII groups, an indium–gallium–aluminum phosphide (InGaAlP) diode laser was used for the irradiation through 320-μm diameter optical fiber in contact with pulp tissue. The red laser diode parameters were set at 660-nm wavelength, 10-mW power output, 2.5-J/cm energy density, 50–60-Hz frequency, output beam area of 0.04 cm , and irradiation time of 10 s in continuous mode. After pulpotomy treatment, clinical and radiographic follow-ups were accomplished until the teeth achieved regular exfoliation period. Teeth were extracted for histo- logical analysis and immunolocalization of CD31. Histopathological statistical analyses were performed by Kruskal-Wallis followed by Dunn test to determine statistically significant differences (p <0.05). Results Although GII showed no inflammation or discreet inflammatory cells, the comparison among the groups using a score system revealed no statistically significant differences regarding inflammation and the amount of blood vessels. The immuno- histochemistry analysis revealed positive CD31 expression in the blood vessels of all

Journal

Lasers in Dental ScienceSpringer Journals

Published: Mar 7, 2018

References

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