Oral Cavity Measurement

Laser speckle contrast imaging (LSCI) has been shown to be capable of monitoring the microcirculation as it offers a two-dimensional map of blood flow with high spatial resolution. Progression and the healing of diseases in connection with microcirculation such as periodontitis, and surgical interventions in the oral cavity such as implant placement, involves substantial anatomical reorganization of the affected tissue. Only techniques capable of capturing the 2-D heterogeneity of blood flow changes are suitable for follow up. LSCI has the capacity to do so over an entire mucosal surface in a non-invasive manner without having contact with the surface of the tissue.

Laser Doppler Flowmetry has also been shown to be a powerful technique for measuring gingival and pulpal blood flow. The implementation of LDF in dentistry is still low, but it is in fact, the most  studied and well-documented method for registration of pulpal blood flow3H.J.J. Roeykens, R.J.G. De Moor (2016) Laser Doppler Flowmetry. In: G. Olivi, R. De Moor, E. DiVito (eds) Lasers in Endodontics. Springer, Cham with hundreds of publications.

Oral cavity

References:

  1. H.J.J. Roeykens, R.J.G. De Moor (2016) Laser Doppler Flowmetry. In: G. Olivi, R. De Moor, E. DiVito (eds) Lasers in Endodontics. Springer, Cham
  2. E. Molnár, R. Fazekas, Z. Lohinai, Z. Tóth Z, J. Vág Assessment of the test-retest reliability of human gingival blood flow measurements by Laser Speckle Contrast Imaging in a healthy cohort. Microcirculation. 2018 Feb
  3. B. Molnár, E. Molnár, R. Fazekas, B. Gánti, B. Mikecs, J. Vág Assessment of palatal mucosal wound healing following connective tissue harvesting by Laser Speckle Contrast Imaging: observational, case series study. The International Journal of Periodontics & Restorative Dentistry, accepted: 2018-07-14
  4. E. Molnár, B. Molnár, Z. Lohinai, Z. Tóth, Z. Benyó, L. Hricisák, P. Windisch, J. Vág Evaluation of Laser Speckle Contrast Imaging for the Assessment of Oral Mucosal Blood Flow following Periodontal Plastic Surgery: An Exploratory Study. Biomed Res Int. 2017;2017:4042902
  5. R. Fazekas, E. Molnár, Z. Lohinai, E. Dinya, Z. Tóth, P. Windisch, J. Vág Functional characterization of collaterals in the human gingiva by laser speckle contrast imaging. Microcirculation. 2018 Apr;25(3):e12446.
  6. R. Fazekas, E. Molnár, P. Nagy, B. Mikecs, P. Windisch, J. Vág A proposed method for assessing the appropriate timing of early implant placements: a case report. J Oral Implantol. 2018 Jun [Epub ahead of print]

Case example:

Semmelweis University

Eszter Molnár, János Vág, Department of Conservative Dentistry, Faculty of Dentistry, Semmelweis University

We have used Pericam PSI camera:

  • to evaluate the test and retest reliability of LSCI for blood flow measurement of the gingiva4E. Molnár, R. Fazekas, Z. Lohinai, Z. Tóth Z, J. Vág Assessment of the test-retest reliability of human gingival blood flow measurements by Laser Speckle Contrast Imaging in a healthy cohort. Microcirculation. 2018 Feb,
  • to evaluate the palatal mucosal wound healing following connective tissue harvesting5B. Molnár, E. Molnár, R. Fazekas, B. Gánti, B. Mikecs, J. Vág Assessment of palatal mucosal wound healing following connective tissue harvesting by Laser Speckle Contrast Imaging: observational, case series study. The International Journal of Periodontics & Restorative Dentistry, accepted: 2018-07-14,
  • to follow up healing of the gingiva after periodontal plastic surgery for root coverage utilizing xenogenic collagen (Geistlich Mucograft) or autologous graft6E. Molnár, B. Molnár, Z. Lohinai, Z. Tóth, Z. Benyó, L. Hricisák, P. Windisch, J. Vág Evaluation of Laser Speckle Contrast Imaging for the Assessment of Oral Mucosal Blood Flow following Periodontal Plastic Surgery: An Exploratory Study. Biomed Res Int. 2017;2017:4042902,
  • to assess spatial and temporal character of post occlusive reactive hyperemia (PORH) after transient compression of gingiva7R. Fazekas, E. Molnár, Z. Lohinai, E. Dinya, Z. Tóth, P. Windisch, J. Vág Functional characterization of collaterals in the human gingiva by laser speckle contrast imaging. Microcirculation. 2018 Apr;25(3):e12446.,
  • to assess the appropriate timing of early implant placement by measuring the restoration of the blood flow8R. Fazekas, E. Molnár, P. Nagy, B. Mikecs, P. Windisch, J. Vág A proposed method for assessing the appropriate timing of early implant placements: a case report. J Oral Implantol. 2018 Jun [Epub ahead of print] .

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