National Dental Assisting Examining Board (NDAEB) Practice Exam

What is a serious health hazard associated with smokeless tobacco use?

1. Increased healing time for oral wounds

2. High rates of periodontal disease and tooth loss

3. Improved oral hygiene

4. Reduced risk of oral cancer

The correct answer is: High rates of periodontal disease and tooth loss

Using smokeless tobacco is linked to several serious health hazards, with one of the most significant being high rates of periodontal disease and tooth loss. Smokeless tobacco products contain harmful chemicals that can lead to gum disease, as they contribute to inflammation and tissue damage in the mouth. This persistent inflammation can result in gum recession and ultimately lead to tooth mobility and loss. Furthermore, the chronic exposure to the chemicals found in smokeless tobacco can disrupt the normal balance of bacteria in the oral cavity, promoting the growth of disease-causing bacteria. This results in a higher prevalence of periodontal disease among users. As periodontal disease progresses, it affects the supporting structures of the teeth, contributing to tooth loss if left untreated. The other options do not accurately reflect the consequences of smokeless tobacco use. Increased healing time for oral wounds and improved oral hygiene are not associated with its use, and reduced risk of oral cancer is incorrect, as smokeless tobacco is actually a known risk factor for various forms of oral cancer. Thus, the connection between smokeless tobacco and high rates of periodontal disease and tooth loss is well-documented and substantiated by numerous studies in dental health literature.