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Root surface caries and associated factors.

S Fure1, I Zickert

  • 1Department of Cariology, Faculty of Odontology, Gothenburg University, Sweden.

Scandinavian Journal of Dental Research
|October 1, 1990
PubMed
Summary

Root surface caries is highly prevalent in older adults, affecting 89% of individuals studied. Key factors include coronal caries, oral bacteria levels, and diet, highlighting shared risk factors with enamel caries.

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Area of Science:

  • Dental Public Health
  • Cariology
  • Gerodontology

Background:

  • Root surface caries is a significant oral health issue, particularly in aging populations.
  • Understanding the multifactorial etiology of root caries is crucial for effective prevention strategies.

Purpose of the Study:

  • To investigate the prevalence of root surface caries in different age groups of Swedish adults.
  • To identify the association between root surface caries and various risk factors, including coronal caries, oral hygiene, salivary parameters, and diet.

Main Methods:

  • Cross-sectional study involving 208 individuals aged 55, 65, and 75 years.
  • Data collection included clinical examination for caries, and assessment of salivary mutans streptococci and lactobacilli, plaque levels, saliva secretion rate, and buffer capacity.
  • Dietary habits, specifically carbohydrate intake, were also recorded.

Main Results:

  • 89% of participants had at least one decayed or filled root surface, with all also having experienced coronal caries.
  • Root surface caries frequency correlated positively with coronal caries frequency and negatively with the number of remaining teeth and exposed root surfaces.
  • Salivary levels of mutans streptococci and lactobacilli, plaque percentage, and carbohydrate intake were the strongest predictors of root surface caries frequency.

Conclusions:

  • The development of root surface caries shares common risk factors with enamel caries.
  • Oral hygiene, salivary bacterial counts, and dietary habits are critical determinants in the progression of root surface caries in older adults.

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