Nationwide Institute for Occupational Protection and Well being (NIOSH) investigation indicates that controls including method maintenance, good ventilation and good do the job procedures can properly lessen nitrous oxide concentrations in dental operatories to about 25 ppm (i. Information on the Oral Health Subjects section of ADA.org is for informational https://nitrous-oxide81345.blog2learn.com/84272639/the-best-side-of-nitrous-oxide