Table 2. A comparison of salivary AST level in healthy and gingivitis groups.

AST - aspartate aminotransferase

Group	NO	Mean	Std. deviation	Mean. diff	t	Sig. (2-tailed)
Healthy Group	15	18.6	7.7	24.57	6.73	0.00
Gingivitis	15	43.2	11.8