Objective To investigate the effects of Para aminobenzoic acid (PABA) on the adhesion of Streptococcus mutans to saliva coated hydroxyapatite (S HA).

• 目的 探讨对氨基苯甲酸 (Para- aminobenzoic acid,PABA)对变形链球菌 (简称变链菌 )粘附至唾液包被羟磷灰石 (S- HA)的影响。