The problem of pollution in the dental surgery.
D000397:Air Pollution; D000766:Anesthesia, Dental / Q000009:adverse effects; D003770:Dental Offices; D005260:Female; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000009:adverse effects; D009784:Occupational Diseases / Q000209:etiology; D011247:Pregnancy
D009609:Nitrous Oxide