Laser Doppler Flowmetry in the Evaluation of Periodontal Health and Disease

Firkova, Elena; Bouka, Maria

doi:10.5272/jimab.2019253.2599

Cited by 6 publications

(9 citation statements)

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“…10,11 It has been proven that gingivitis increases blood flow due to blood stasis in tissues. 3 The surgical test measurement from inside the cystic cavity shows very low values of flux which may be due to the detrimental effect of the lesion over bone microcirculation or application of local anaesthesia with adrenaline. 7,8 Cysts are lined with epithelium and grow over time due to increased pressure over bone walls which decreases perfusion.…”

Section: Discussionmentioning

confidence: 99%

“…14,15 Granulomas, on the other hand, should show increased perfusion due to the increased stasis and abundance of differentiated blood vessels. 3 Tissue perfusion before and after treatment may be a good predictive factor for healing. It could evaluate different treatment methods as well as lesion type and effect over bone perfusion.…”

Section: Discussionmentioning

confidence: 99%

“…Microcirculation can be assessed by laser doppler flowmetry monitoring or imaging devices. 3 Because radicular cysts are caused by root canal infection, it is believed that they can be treated by conventional root canal therapy. Not all authors agree and some recommend radical treatment e.g.…”

Section: Introductionmentioning

confidence: 99%

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Laser Doppler Assessment of Microcirculation of Apical Periodontitis before Nonsurgical and during Surgical Laser Treatment

Krastev

Filipov

2020

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Introduction: Laser doppler flowmetry is a non-invasive method of measuring microcirculatory blood flow in tissue. Using laser doppler flowmetry Moor VMS-LDF1-HP and CP1T-HP probe combined with Moor VMS-PC software to evaluate the state of the periapical lesion (cyst) before nonsurgical endodontic treatment with bioceramics (Well Root SP™) and compare it to a healthy vital tooth of the same type with no periapical lesions. Later the bony crypt of the cyst was evaluated with Moor VMSLDF1-HP and VP7BS-HP probe during periapical surgery after the cyst was ablated with Er: YAG laser Lite Touch™ (Sineron, Israel) and retrogradely obturated with TheraCal LC®. Then the cyst received a bioceramic bone graft. To our knowledge, this is the first time laser doppler has been used during periapical surgery to evaluate tissue perfusion. Lesion type was confirmed with a histological examination after surgery. Aim: Evaluate tissue perfusion of a periapical lesion before nonsurgical treatment and during surgical endodontic treatment with Er:YAG laser with the help of laser doppler flowmeter. Results: Laser doppler flowmetry shows that the cystic tooth has a decreased blood flow, decreased concentration, direct current, speed, and lower temperature compared to a healthy tooth of the same type. During periapical surgery, the direct laser blood flow evaluation of the surgical crypt shows different values of the flux, speed, direct current, concentration, and temperature, which could be attributed to the mechanical trauma, adrenaline in the local anaesthetic or laser irradiation of tissues. Conclusions: Laser doppler flowmetry is a valuable method to perform tissue evaluation before, during and after treatment. It allows us to follow up the healing and pathological dynamics of microcirculatory tissue changes as well as evaluate and compare different methods and materials for treatment of apical periodontitis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Laser Doppler Assessment of Microcirculation of Apical Periodontitis before Nonsurgical and during Surgical Laser Treatment

Krastev

Filipov

2020

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“…Some authors have evaluated gingival perfusion using laser‐Doppler flowmetry (Mavropoulos et al, 2001; Ambrosini et al, 2002; Patino‐Marin et al, 2005; Retzepi et al, 2007; Kuraji et al, 2020). However, some limitations of this technology may include the presence of motion artifact noise, lack of quantitative units for perfusion, limited diagnostic values in smokers, and lack of studies validating this tool in periodontics (Firkova & Bouka, 2019). Fluorescein angiography has also been utilized for assessing capillary blood microcirculation after mucogingival and soft tissue grafting procedures (Mormann et al, 1975; Mormann & Ciancio, 1977; Burkhardt & Lang, 2005).…”

Section: Discussionmentioning

confidence: 99%

Ultrasonographic tissue perfusion analysis at implant and palatal donor sites following soft tissue augmentation: A clinical pilot study

Tavelli

Barootchi

Majzoub

et al. 2021

J Clinic Periodontology

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“…LDF is an objective and noninvasive technique that allows for the measurement of microcirculation in human and animal tissues and records the blood flow continuously and in real time. Due to the well-represented microcirculation of the gingiva, this technique is used successfully in the evaluation of gingival vascular microdynamics, both in health and in disease [ 4 , 5 , 6 , 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Changing the Toothbrush on the Marginal Gingiva Microcirculation in the Adolescent Population—A Laser Doppler Flowmetry Assessment

Miron

Barcutean²,

Luca

et al. 2022

Diagnostics

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It is well-known that proper tooth brushing has the effect of stimulating microcirculation in a healthy gingiva. The aim of this study was to evaluate the microcirculation dynamics at the level of healthy marginal gingiva in adolescents after changing their toothbrush. Three evaluation instruments were employed to assess and quantify the effects on the marginal gingiva: the periodontal probing depth (PD), gingival index (GI) and laser Doppler flowmetry (LDF). A total of 12 adolescents, aged between 15 and 20, were enrolled in the study, resulting in a total of 72 frontal upper teeth for PD and GI and 48 gingival interdental sites for LDF assessment. For each measurement, the pulp blood flow signal was recorded for 1 min and represented as a pulsatory signal. Data were collected in four moments: before the toothbrush changed and 24 h, 7 days and 14 days after. For the statistical analysis, the nonparametric Friedman test was applied for comparisons between more than two pair numeric series and for comparisons between two sets of pair values without Gaussian distribution, the Wilcoxon signed-rank test was applied. The paired t test was used for two sets of normally distributed paired values. The results showed that using a new toothbrush in the adolescent population with healthy gingiva can induce statistically significant increases in gingival blood flow, which remain at a high level even at two weeks. The GI also increases significantly at 7 days and 14 days, while the periodontal PD does not change significantly.

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Laser Doppler Flowmetry in the Evaluation of Periodontal Health and Disease

Cited by 6 publications

References 0 publications

Laser Doppler Assessment of Microcirculation of Apical Periodontitis before Nonsurgical and during Surgical Laser Treatment

Laser Doppler Assessment of Microcirculation of Apical Periodontitis before Nonsurgical and during Surgical Laser Treatment

Ultrasonographic tissue perfusion analysis at implant and palatal donor sites following soft tissue augmentation: A clinical pilot study

The Effect of Changing the Toothbrush on the Marginal Gingiva Microcirculation in the Adolescent Population—A Laser Doppler Flowmetry Assessment

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