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BioMed Research International
Volume 2017, Article ID 4042902, 11 pages
Clinical Study

Evaluation of Laser Speckle Contrast Imaging for the Assessment of Oral Mucosal Blood Flow following Periodontal Plastic Surgery: An Exploratory Study

1Department of Conservative Dentistry, Faculty of Dentistry, Semmelweis University, Szentkirályi Utca 47, Budapest 1088, Hungary
2Department of Periodontology, Faculty of Dentistry, Semmelweis University, Szentkirályi Utca 47, Budapest 1088, Hungary
3Institute of Human Physiology and Clinical Experimental Research, Faculty of Medicine, Semmelweis University, Tűzoltó Utca 37-47, Budapest 1094, Hungary

Correspondence should be addressed to János Vág; moc.liamg@sonajgavrd

Received 2 October 2016; Accepted 4 January 2017; Published 23 January 2017

Academic Editor: Takashi Saku

Copyright © 2017 Eszter Molnár et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The laser speckle contrast imaging (LSCI) is proved to be a reliable tool in flap monitoring in general surgery; however, it has not been evaluated in oral surgery yet. We applied the LSCI to compare the effect of a xenogeneic collagen matrix (Geistlich Mucograft®) to connective tissue grafts (CTG) on the microcirculation of the modified coronally advanced tunnel technique (MCAT) for gingival recession coverage. Gingival microcirculation and wound fluid were measured before and after surgery for six months at twenty-seven treated teeth. In males, the flap microcirculation was restored within 3 days for both grafts followed by a hyperemic response. During the first 8 days the blood flow was higher at xenogeneic graft comparing to the CTG. In females, the ischemic period lasted for 7–12 days depending on the graft and no hyperemic response was observed. Females had more intense and prolonged wound fluid production. The LSCI method is suitable to capture the microcirculatory effect of the surgical intervention in human oral mucosa. The application of xenogeneic collagen matrices as a CTG substitute does not seem to restrain the recovery of graft bed circulation. Gender may have an effect on postoperative circulation and inflammation.