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A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva
Published on: January 12, 2019
Gingival blood flow changes following periodontal access flap surgery using laser Doppler flowmetry
M Retzepi1, M Tonetti, N Donos
1Periodontology Unit, Eastman Dental Institute, University College London, London, UK.
Journal of Clinical Periodontology
|April 24, 2007
Summary
Periodontal access flap surgery initially causes ischemia, but gingival blood flow recovers differently across flap areas. Blood flow patterns vary topographically during healing.
Area of Science:
- Periodontology
- Oral surgery
- Wound healing research
Background:
- Chronic periodontitis requires surgical intervention.
- Periodontal access flap surgery aims to improve outcomes in advanced disease.
Purpose of the Study:
- To investigate gingival blood flow changes after periodontal access flap surgery using laser Doppler flowmetry (LDF).
- To analyze the topographical patterns of microvascular alterations during wound healing.
Main Methods:
- Fourteen patients with chronic periodontitis underwent periodontal access flap surgery.
- Laser Doppler flowmetry (LDF) measured gingival blood flow at nine sites per flap.
- Measurements were taken at baseline, post-anesthesia, immediately post-op, and up to day 60.
Main Results:
- Significant ischemia was noted immediately after surgery.
- Alveolar mucosal sites showed peak blood flow on postoperative day 1, resolving by day 15.
- Buccal and palatal papillae perfusion peaked on day 7, returning to baseline by day 15.
Conclusions:
- Distinct areas of the periodontal flap exhibit unique microvascular blood flow changes during healing.
- Understanding these topographical patterns is crucial for assessing flap viability and healing post-surgery.
