[Experimental gingivitis as a model for the testing of the pharmacological effect in anti-inflammatory treatment of the gingiva].

This is a report concerning the feasibility of using gingivitis caused by neglect of usual oral hygiene for testing the pharmacological effects of anti-inflammatory agents. An unexpected difficulty is presented by the inability to reproduce the height of increase of the SB-index during repetition of the experiment after interruption of oral hygiene for one week.