[Effect of the propellants O2 and CO2 on the efficacy of oral irrigation].

The therapeutical results obtained with oral irrigations when O2 or CO2 was used as a propellant air compared with those achieved with compressed air. The assessment of the therapeutical success was based on the periodontal disease index according to Kötzschke and the exsudate heights according to Egelberg. A significant improvement in the periodontal condition was stated in all three groups of patients.

[The quantitative determination of gingival sulcus fluid by means of filter paper strips--an objective measure in the evaluation of success of periodontal treatment?].

The success of various periodontal treatments can be demonstrated by the quantitative determination of the gingival sulcus fluid if these treatments improve the peripheral blood supply. Compared to the manual method of determining the diffusion height of the exudate prior and after periodontal therapy (the extent of exudate reduction being used as a criterion for the degree of regression of the inflammatory circulatory disorder), the photometric-planimetric techniques yield exacter and even more favourable results. Due to its easiness and rapidity, the measurement of the diffusion height of the exudate is, as an additional control examination, useful in assessing the success of periodontal treatment.