Secondhand Smoke and Oral Health

A study published in the Journal of Periodontology found that subjects with periodontitis who were exposed to secondhand smoke were more likely to develop bone loss, the number one cause of tooth loss. Researchers studied rats that were induced with periodontal disease. One group was not exposed to cigarette smoke, while the other 2 groups were exposed to 30 days of smoke inhalation produced by either nonlight cigarettes (containing higher tar, nicotine, and carbon monoxide levels) or light cigarettes (containing lower tar, nicotine and carbon monoxide levels). Results showed that bone loss was greater in the subjects exposed to secondhand smoke, regardless of the light or nonlight cigarettes used, compared to those who were exposed to no smoke at all. 

“Previous clinical research has proven a strong positive correlation between smoking and gum disease. However, this study is unique in that it evaluated the impact of secondhand smoke on periodontitis,” said Getulio da R. Nogueira-Filho, DDS, the study’s author. 

“This study really drives home the fact that even if you don’t smoke, the effects of secondhand smoke can be devastating,” said Preston D. Miller, Jr, DDS, American Academy of Periodontology president. “The Academy applauds the cities that are taking steps to make their hospitality industries smoke-free so all patrons can enjoy not only a good time but also good overall health.”