Fogorvosi szemle, 2000 (93. évfolyam, 1-12. szám)

2000-02-01 / 2. szám

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Dr. Vág, J., dr. Fazekas, Á.: Effect of crown margin on the condition of gingiva

Laser Doppler flowmetry (LDF) is a useful non-invasive technique to monitor tissue blood flow. The aim of our investigation was to study the effect of prosthetic rehabilitation on gingival condition. The gingival index and gingival blood flow (GBF) measured by LDF were studied on a female patient before, during and after the replacement of four resin-faced, nickel-chromium alloy upper front crowns to all-ceramic ones. Prior to the treatment procedure (control phase) the gingival indexes at five measuring points were calculated to 1. At the end of the rehabilitation they turned to zero. As to the relation of the gingival indexes and LDF readings a significant correlation (r = 0.37, n = 49, pcO.Ol) was found during the treatment procedure. Our results suggest that the gingival blood flow values measured by LDF may reflect fairly well the condition of marginal gingiva.

Key words: gingival blood flow, laser Doppler flowmetry, prosthetic rehabilitation

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