10 Questions
Which of the following is an acceptable definition of mild periodontal disease?
2+ mm CAL
What proportion of U.S. adults exhibited rapid progression in the Sri Lanka study for 15 years?
8%
What is the incidence range of severe periodontitis among persons?
5%-15%
Which oral condition commonly precedes periodontitis?
Gingivitis
What is the age-related relationship to periodontitis?
It is usually related to age
What is the prevalence of gingivitis among schoolchildren in the United States according to various national surveys?
40%-60%
What is the interpretation of epidemiologic data from before 1980?
Epidemiologic data from before 1980 are difficult to interpret due to the use of outdated indexes.
What is considered to be the most valid measure of periodontitis according to the text?
Community Attachment Loss (CAL)
In what age group is gingivitis found to be more prevalent and severe according to the text?
Adolescence
What is the proportion of U.S. employed adults ages 18-64 that had at least one site with bleeding on probing according to a national survey in 1985-86?
50%-60%
Study Notes
- Prof. Abed Al-Hadi Hamasha discussed the distribution and prevalence of periodontal diseases, including gingivitis and periodontitis.
- Gingivitis and calculus deposits are more prevalent and severe in low-income nations.
- Severe periodontitis is not strictly dependent on the presence of plaque and calculus, as it may also be related to compromised host factors.
- Gingivitis is found in early childhood and is more prevalent and severe in adolescence, with a prevalence of around 40%-60% among schoolchildren in the US.
- Gingivitis is likely to have declined in recent years in the US due to greater attention to oral hygiene.
- The prevalence of periodontitis depends on the definition of the disease, with generalized, severe periodontitis being in the range of 5%-15% in most populations.
- The Sri Lanka study showed that some 8% of individuals demonstrated rapid progression, 81% moderate progression, and 11% no progression beyond gingivitis over a 15-year period.
- Only a small proportion (5%-15%) of individuals exhibit severe periodontitis, where tooth loss occurs or is threatened.
- Gingivitis precedes periodontitis, but not all sites with gingivitis later develop periodontitis.
- Periodontitis is usually related to age, but not all older adults experience severe periodontitis.
- Mild gingivitis is common, as is mild to moderate periodontitis, with most adults exhibiting some loss of bony support and probing attachment while maintaining a functioning dentition.
- Gingivitis and periodontitis are associated with bacterial flora, but there are some differences between the two conditions.
Test your knowledge on the distribution and prevalence of gingivitis and periodontitis around the world with this quiz. Learn about the geographic variations and global differences in the incidence of severe periodontitis.
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