4.6 Article

Utility of a haemoglobin test of gingival crevicular fluid: A multicentre, observational study

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WILEY
DOI: 10.1111/odi.14536

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bleeding on probing; gingival crevicular fluid; haemoglobin; periodontitis; supportive periodontal therapy

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The purpose of this study was to verify the accuracy and utility of clinical and biochemical parameters during the supportive periodontal therapy period. The results showed that all parameters, except plaque index and bleeding on probing, were significantly lower at the second examination than at the first. Adding the haemoglobin test to the bleeding on probing test improved the accuracy of measurement of clinical parameters after periodontal treatment.
Objective: The purpose of this study was to verify the accuracy and utility of clinical parameters (plaque index, gingival crevicular fluid volume, probing depth, clinical attachment level, bleeding on probing and gingival index) and biochemical parameters (aspartate aminotransferase, protein and haemoglobin) in a longitudinal analysis during the supportive periodontal therapy period.Subjects and Methods: A total of 279 test sites of 128 patients were investigated clinically and biochemically. After the first examination of clinical and biochemical parameters, periodontal support treatments were administered immediately and per-formed once every three months up to the second examination.Results: All of the clinical and biochemical parameters were significantly lower at the second examination than at the first, except for the plaque index and bleeding on probing. Of these parameters, in particular, aspartate aminotransferase and haemoglobin in the gingival crevicular fluid were significantly reduced compared to those of the first examination in both the <= 4 and >= 5 mm probing depth groups, and they clearly suggested that periodontitis tended to recover.Conclusion: Adding the haemoglobin test to the bleeding on probing test strongly improves the accuracy of measurement of clinical parameters after periodontal treatment.

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