Related Experiment Videos
Blood flow and human periodontal status
Varunee Kerdvongbundit1, Mullika Sirirat, Anongporn Sirikulsathean
1Department of Oral Medicine and Periodontics, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Rachathavee, Payathai, Bangkok 10400, Thailand. dtvkd@mahidol.ac.th
Odontology
|September 5, 2003
Summary
Microcirculation changes in the gingiva are significant indicators of gum disease. Laser Doppler flowmetry revealed distinct blood flow differences in subjects with moderate gingivitis and periodontitis compared to healthy controls.
Area of Science:
- Periodontology
- Oral Health Research
- Microcirculation Studies
Background:
- Gingival health is crucial for overall oral well-being.
- Assessing gingival microcirculation can provide insights into inflammatory conditions.
- Previous studies have explored blood flow in gingival tissues with varying methodologies.
Purpose of the Study:
- To evaluate and compare gingival microcirculation in individuals with healthy gingiva, moderate gingivitis, and periodontitis.
- To identify specific patterns of blood flow alterations associated with different stages of periodontal disease.
- To utilize laser Doppler flowmetry (LDF) as a quantitative tool for assessing gingival blood perfusion.
Main Methods:
- Sixty adult volunteers (20 each) were categorized into healthy gingiva, moderate gingivitis, and periodontitis groups (ages 20-35).
- Gingival health was assessed using standard clinical indices (plaque, gingival, bleeding), probing depth, attachment level, and tooth mobility.
- Laser Doppler flowmetry (LDF) was employed on six maxillary anterior teeth to measure blood flow at facial aspects of free gingivae, interdental gingivae, attached gingivae, and alveolar mucosae, using a modified technique to prevent contamination.
Main Results:
- Significant differences in blood flow measurements were observed at all examined sites when comparing moderate gingivitis and periodontitis groups with the healthy gingiva group.
- Blood flow measurements within each group also exhibited significant differences across all sites (P<0.01).
- LDF demonstrated quantifiable variations in gingival microcirculation correlating with the severity of periodontal disease.
Conclusions:
- Gingival microcirculation is significantly altered in the presence of moderate gingivitis and periodontitis.
- Laser Doppler flowmetry is a valuable tool for detecting and quantifying these microcirculatory changes in periodontal disease.
- These findings highlight the potential of microcirculation assessment as a diagnostic or prognostic indicator in periodontology.