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Table 2 Reactions from the clinical oral isolates in the RUT method read after 1 h. Cells were obtained from agar plates by scraping (1 μl)

From: Rapid urease test (RUT) for evaluation of urease activity in oral bacteria in vitro and in supragingival dental plaque ex vivo

Bacteria No reaction No of strains (%) Weak No of strains (%) Moderate No of strains (%) Strong No of strains (%)
Streptococcus salivarius (N = 8) 4 (50%) 2 (25%) 2 (25%) 0 (0%)
Actinomyces naeslundii (N = 8) 7 (87.5%) 1 (12.5%) 0 (0%) 0 (0%)
Haemophilus. parainfluenzae (N = 5) 1 (20%) 0 (0%) 0 (0%) 4 (80%)