Updated on April 25, 2024
3 min read

Oral Health Consequences Statistics (2024)

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Smoking is a well-known factor in numerous health problems, and its impact on oral health is particularly significant. Its effect on the mouth, teeth, and gums is well-documented.

Smoking can increase the risk of gum disease, tooth loss, and even oral cancer. This article explores statistics on smoking’s impact on oral health. We’ll examine prevalent oral health issues among smokers and the potential for recovery after quitting. Examining these key statistics can provide a broader idea and insight into smoking’s effects.

Oral Health Consequences of Smoking

As mentioned before, smoking can increase the risk of various oral health problems. Here are some statistics that showcase the extent of these consequences: 

  • Smokers are twice as likely as non-smokers to develop gum disease, which can lead to tooth loss and affect the bone structure that holds teeth in place
  • About 43% of adults aged 65 or older who currently smoke cigarettes have lost all of their teeth, compared to those who never smoked
  • Smoking is an independent risk factor that increases the extent and severity of periodontal disease
  • Smoking can lower the chances of successfully treating periodontal disease.
  • Approximately 90% of oral cancers are linked to smoking
  • Smokers have a higher risk of root decay and complications after tooth removal or oral surgery
  • The risk of developing oral cancer is dose-dependent, increasing with the number of cigarettes smoked and the duration of the smoking habit

Increased Risk of Periodontal Disease

Cigarette smoking is the strongest modifiable risk factor for periodontal disease for several reasons. These reasons include: 

  • Smoking causes gum disease by weakening the body’s ability to fight infection, making it hard for gums to heal
  • Smokers experience slower healing after dental procedures due to impaired blood flow to the oral tissues
  • Smokers have a higher tendency to experience problems such as teeth and bone loss, gingival recession, and the formation of periodontal pockets

Additional Consequences of Smoking

Smoking has a wide range of negative impacts on oral health beyond periodontal disease and oral cancer. Here are some additional statistics:

  • Smoking is associated with an increased risk of dental caries
  • Smokers have a higher prevalence of untreated decayed teeth compared to non-smokers
  • Smokers are more likely to experience tooth discoloration and staining, as well as halitosis (bad breath), due to the chemicals and toxins in cigarette smoke
  • Smoking can cause a condition called smoker’s palate, characterized by a white, wrinkled appearance on the roof of the mouth, which can lead to discomfort and an increased risk of oral infections
  • Due to the immunosuppressive effects of smoking, smokers have a higher risk of developing oral candidiasis, a fungal infection of the mouth

How Quitting Affects Oral Health

Quitting smoking can lead to significant improvements in oral health, with recovery statistics highlighting the benefits over time.

Time Since QuittingOral Health Benefits
1-3 daysBlood pressure will begin to drop, and your circulation may improve, which can benefit gum health. After two days, you’ll experience a better sense of taste, which indicates that the nerves are healing.
3-5 daysCarbon monoxide level in the blood drops to normal, enhancing oxygen delivery to gums and oral tissues, which is crucial for healing and fighting infections.
2 weeks to 3 monthsCirculation improves, and lung function increases. This period also sees the beginning of the gums healing, reducing the risk of periodontitis
3-12 MonthsBetter lung function improves coughing, wheezing, or breathing problems. Better overall health also indirectly reduces the risk of infections and improves gum healing.
5-10 YearsThe risk of cancers of the mouth, throat, and voice box (larynx) is cut in half.

The wide-ranging consequences of smoking on dental health highlight the importance of quitting tobacco use and oral care. The consequences of smoking may include periodontal disease, tooth loss, dental caries, oral cancer, etc.

Quitting smoking can greatly improve oral health. Over time, quitting smoking can improve gum health and healing.

Quitting can also reduce the risk of periodontal disease and other diseases. Understanding these statistics and facts can help people work towards reducing the risks of smoking-related oral health problems.

Last updated on April 25, 2024
9 Sources Cited
Last updated on April 25, 2024
All NewMouth content is medically reviewed and fact-checked by a licensed dentist or orthodontist to ensure the information is factual, current, and relevant.

We have strict sourcing guidelines and only cite from current scientific research, such as scholarly articles, dentistry textbooks, government agencies, and medical journals. This also includes information provided by the American Dental Association (ADA), the American Association of Orthodontics (AAO), and the American Academy of Pediatrics (AAP).
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  2. Tobacco Use.” Centers for Disease Control and Prevention, 2022.
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  8. Benedetti et al. “Tobacco and Dental Caries: A Systematic Review.” Acta Odontologica Scandinavica, 2013.
  9. Health Benefits of Quitting Smoking Over Time.” American Cancer Society, 2021.
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