Many studies have established that smoking can cause gingival (gum) pigmentation, and now there is evidence that those exposed to ETS (environmental tobacco smoke--secondary smoke) show the same correlation.
See the latest study in the Journal ofPeriodontology, July 2011, Vol. 87:7, pp. 956-962
Robert G. Tupac, DDS, FACP, Inc., Diplomate, American Board of Prosthodontics
(661) 325-1275 | www.drtupac.com
5060 California Ave., #170, Bakersfield, CA 93309