N2: clarifying the controversy.
D004338:Drug Combinations; D005054:Eugenol; D005557:Formaldehyde; D012387:Root Canal Filling Materials; D014481:United States; D014486:United States Food and Drug Administration; D015032:Zinc; D015034:Zinc Oxide
D004338:Drug Combinations; D012387:Root Canal Filling Materials; D005557:Formaldehyde; D005054:Eugenol; C003799:N2 Dental Cement; D015032:Zinc; D015034:Zinc Oxide