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

BMC Oral Health

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)

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%)