Moreover, gum disease and cancer from smokeless and spit tobacco have increased, especially in young people and ethnic minority groups. The 5-year survival rate for oral malignancy has not changed. The morbidity and mortality from oral cancers have not declined, and cancers of the tongue may be increasing. ![]() Other trends in dental health are troubling however. There have been similar improvements in periodontal health (relating to gums and supporting structures of the teeth). The portion of the adult population without any teeth has declined markedly over the past four decades. National surveys have found that increasing proportions of employed American adults and school children have fewer decayed and missing teeth ( 44A, 95). For the post-fluoride generation of today, many changes have been positive. ![]() The title of this work implies a before-and-after change.
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