thymol Article 2 Humans 2 Thymol 2 controlled study 2 cytotoxicity 2 female 2 human 2 nonhuman 2 3 carene 1 Aged 1 Aged, 80 and over 1 Animals 1 Anti-Infective Agents 1 Anti-Infective Agents, Local 1 Antimicrobial 1 Antineoplastic Agents, Phytogenic 1 Apoptosis 1 Aspiration 1 Bacillus subtilis 1 Brief Oral Health Status Examination score 1 CAL-27 cell line 1 Candida albicans 1 Candida glabrata 1 Carcinoma, Squamous Cell 1 Cell Line, Tumor 1 Chlorhexidine 1 Double-Blind Method 1 Escherichia coli 1 Female 1