[The clinical observations and the measurement of gingival crevicular fluid volume during the experimental gingivitis].
OBJECTIVE
To observe the changes of clinical conditions, and measure the GCF volume during the experimental gingivitis in Chinese for studying the relationship between the GCF volume and the development of gingival inflammation.


METHODS
11 young male subjects with healthy gingiva, who had no systemic diseases, were selected for this study. GCF samples (18 teeth/person) were collected with strips of filter paper and the clinical parameters were recorded at the baseline (0 day), the 7th, 14th, 21st day (without oral hygiene), and 28th day (7 days after reestablishing oral hygiene) during experimental gingivitis. The GCF volume was measured by weighting.


RESULTS
During the experimental gingivitis, all of the clinical parameters plaque index (PLI), bleeding index (BI), gingival index (GI) and probing index (PD) increased gradually following the plaque assembling, there were significant differences comparing the data of baseline with the data of afterwards without oral hygiene. On the 28th day, the data reduced to the level of baseline rapidly. The amount of GCF had the same tendency with the clinical parameters during the experimental gingivitis. There was positive correlation between the amount of GCF and clinical parameters.


CONCLUSIONS
The amount of GCF can reflect the development of gingival inflammation.
Zhao
Yi-Bing
YB
Department of Periodontology, Peking University School of Stomatology, Beijing 100081, China.
Meng
Huan-Xin
HX
Chen
Zhi-Bin
ZB
D000328:Adult; D003773:Dental Plaque / Q000150:complications; D004032:Diet; D005883:Gingival Crevicular Fluid / Q000502:physiology*; D005891:Gingivitis / Q000209:etiology*; D006801:Humans; D008297:Male