Clinical evaluation of the efficacy of three nitrous oxide scavenging units during dental treatment - [N.sub.2]O

Dental Assistant, The, March-April, 2003 by Fred Certosimo, Martin Walton, David Hartzell, Jennifer Farris

ACKNOWLEDGEMENTS

This study was sponsored and supported by the Virginia Commonwealth University A.D. Williams Grant Committee. The project was approved by the Western International Review Board: VCUIRB00-A-003.

The authors are grateful to Dr. Al Best, our biostatistician, Virginia Commonwealth University (VCU); CAPT Brian Nicoll, Department of Periodontics, Naval Post Graduate Dental School, Bethesda, MD; Ms. Margaret Poland, Research Department, VCU Dental School; and the Department of Environmental Health, VCU for its valuable technical support of this project.

This research was presented as Abstract No. 0173 at the 80th Annual Session of the International Association of Dental Research in San Diego in 2002.

* term used in statistics for analysis of variance

Reprinted from General Dentistry, September/ October 2002, with permission from the Academy of General Dentistry; for additional information or to post a question, visit the Academy's web site at www.agd.org.

References

(1.) ADA Council on Scientific Afffairs; ADA Council on Dental Practice. Nitrous oxide in the dental office. JADA 1997;128: 364-365.

(2.) Rowland AS, Baird DD, Weinberg CR, Shore DL, Shy CM, Wilcox AJ. Reduced fertility among women employed as dental assistants exposed to high levels of nitrous oxide. New Engl J Med 1992;327: 993-997.

(3.) Cohen EN, Gift HC, Brown BW, Greenfield W, Wu ML, Jones TW, Whitcher CE, Driscoll EJ, Brodsky JB. Occupational disease in dentistry and chronic exposure to trace anesthetic gases. JADA 1980;101;21-31.

(4.) National Institute of Occupational Safety and Health. Control of occupational exposure to nitrous oxide in the dental operatory. Publication No. 77-171. Cincinnati: U.S. Department of Health, Service Center for Disease Control, NIOSH, DHED (NIOSH);1977.

(5.) Bruce DL, Bach MJ, Arbit J. Trace anesthetic effects on perceptual, cognitive, and motor skills. Anesthesiology 1974;40:453-458.

(6.) Bruce DL, Bach MJ. Psychological studies of human performances affected by traces of enflurane and nitrous oxide. Anesthesiology 1975;42:194-205.

(7.) National Institute of Occupational Safety and Health. Effects of trace concentrations of anesthetic gases on behavioral performance of operating room personnel. Publication No. 76-169. Cincinnati: U.S. Department of Health, Service Center for Disease Control, NIOSH, DHED (NIOSH); 1976.

(8.) Smith G, Shirley WA. Failure to demonstrate effect of trace concentrations of nitrous oxide and halothane on psychomotor performance. Br J Anaesth 1977;49:65-70.

(9.) Cook TL, Smith M, Starkweather JA, Winter PM, Eger El 2nd. Behavioral effects of trace and subanesthetic halothane and nitrous oxide in man. Anesthesiology 1978;49:419-424.

(10.) American Conference of Governmental Industrial Hygienists. 1993-1994 threshold limit values for chemical substances and physical agents and biological exposure indices. Cincinnati: ACGIH;1993.

(11.) Howard WR. Nitrous oxide in the dental environment: Assessing the risk, reducing the exposure. JADA 1997;128:356-360.