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Proceedings Paper

Laser Doppler flowmetry evaluation of gingival recovery response after laser treatment
Author(s): Carmen Todea; Silvana Cânjău; Dorin Dodenciu; Mariana I. Miron; Anca Tudor; Cosmin Bălăbuc
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Paper Abstract

This study was performed in order to evaluate in vivo the applicability of Laser Doppler Flowmetry (LDF) in recording the gingival blood flow and to assess the changes of gingival blood flow following gingival reshaping performed with Er:YAG and 980 nm diode lasers. The LDF evaluation was performed on 20 anterior teeth, which underwent reshaping of gingiva, corresponding to 5 female patients (4 anterior teeth/patient), aged between 20 and 35. One part of the mouth was treated with Er:YAG laser (LP, VLP modes, 140 - 250 mJ, 10 - 20 Hz, using cylindrical sapphire tips) and other part with 980 nm diode laser (CW, 4 W, contact mode and saline solution cooling). The gingival blood flow was monitored using a MoorLab laser Doppler equipment (Moor Instruments Ltd., Axminster, UK) with a straight optical probe, MP3b, 10 mm. The data were processed using statistical analysis software SPSS v16.0.1. The investigation showed an evident decrease in perfusion for both areas in comparison with the baseline values 24 hours after treatment. The microvascular blood flow increased significantly after 7 days in both areas but mostly in diode area (p<0.001). After 14 days for the Er:YAG area the blood perfusion returned to the initial value. The results in diode area remained at a high level after 14 days. Both lasers proved efficiency in the surgical treatment of gingival tissue. Moreover, Laser Doppler Flowmetry is adequate for recording changes in gingival blood flow following periodontal surgery.

Paper Details

Date Published: 24 June 2013
PDF: 9 pages
Proc. SPIE 8805, Head and Neck Optical Diagnostics, 880508 (24 June 2013); doi: 10.1117/12.2034038
Show Author Affiliations
Carmen Todea, Univ. of Medicine and Pharmacy (Romania)
Silvana Cânjău, Univ. of Medicine and Pharmacy (Romania)
Dorin Dodenciu, Univ. of Medicine and Pharmacy (Romania)
Mariana I. Miron, Univ. of Medicine and Pharmacy (Romania)
Anca Tudor, Univ. of Medicine and Pharmacy (Romania)
Cosmin Bălăbuc, Univ. of Medicine and Pharmacy (Romania)

Published in SPIE Proceedings Vol. 8805:
Head and Neck Optical Diagnostics
Christian Betz; Brian J. F. Wong M.D., Editor(s)

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