Related by context. Frequent words. (Click for all words.) 57 Acanthamoeba 57 dental cavities 55 biofouling 54 Chlamydia pneumoniae 54 microbial contamination 54 carcinogenic substances 53 dental caries 53 harmful contaminants 53 oral mucosa 53 H pylori 53 periodontal diseases 53 bruxism 53 gum disease 53 AAT deficiency 53 thyroid dysfunction 52 indoor allergens 52 endotoxins 52 halitosis 52 animal dander 52 mutagens 52 engineered nanomaterials 52 polycyclic aromatic hydrocarbons PAHs 52 airborne allergens 52 Chronic inflammation 52 infectious organisms 52 anosmia 52 vaginal secretions 52 toxicants 52 Periodontal disease 51 Diesel exhaust 51 periodontitis 51 vaginal infections 51 microbial pathogens 51 periodontal disease 51 abnormal growths 51 pathogenic microorganisms 51 ultraviolet UV light 51 H. pylori infection 51 systemic inflammation 51 noninfectious 51 atopic eczema 51 Herbal remedies 51 gastric reflux 51 fluorides 51 Triclosan 51 acrolein 51 nasal obstruction 50 Agent Orange herbicide 50 reproductive toxicity 50 bioaccumulation 50 photoaging 50 sPLA2 50 toxins 50 glycation 50 trigger allergic reactions 50 harmful microorganisms 50 platelet activation 50 intestinal disorders 50 lung cancer mesothelioma 50 salicylates 50 oxidizing agent 50 obstructive lung 50 Stachybotrys 50 organophosphate pesticides 50 toxicant 50 Asbestos fibers 50 allergy triggers 50 potentially modifiable 50 micronutrient deficiencies 50 Gynecomastia 50 Obstructive Sleep Apnea 50 Obstructive sleep apnea 50 CMV infection 50 Essential oils 50 peptic ulcers 50 Observational studies 50 atopic 50 Bacterial infections 50 neurotoxic effects 50 Helicobacter pylori 49 bone marrow suppression 49 carcinogenic compounds 49 xerostomia 49 Onychomycosis 49 Acrylamide 49 airway inflammation 49 endocrine disrupting chemicals 49 Methylmercury 49 gluten sensitivity 49 Hydrogen sulfide 49 systemic toxicity 49 neuropathies 49 cat dander 49 organochlorines 49 chronic rhinosinusitis 49 dietary interventions 49 harmful pathogens 49 folate deficiency 49 occupational exposures 49 elevated CRP 49 nitrosamines