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Saliva stimulation and caries prevention

W M Edgar1, S M Higham, R H Manning

  • 1Department of Clinical Dental Sciences, School of Dentistry, Liverpool, England.

Advances in Dental Research
|July 1, 1994
PubMed
Summary

Stimulating saliva flow can enhance its protective effects against tooth decay. Chewing gum after consuming carbohydrates neutralizes plaque acid and aids enamel remineralization, suggesting dietary changes for caries prevention.

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Area of Science:

  • Dentistry
  • Oral Health
  • Biochemistry

Background:

  • Saliva plays a crucial role in protecting teeth from decay, evident in cases of salivary hypofunction.
  • The direct correlation between saliva flow rate and caries experience is often unclear, necessitating a deeper examination of saliva's protective mechanisms.

Purpose of the Study:

  • To investigate the concept that stimulating saliva flow can offer protective benefits against dental caries.
  • To explore how saliva stimulation enhances its protective properties beyond simple flow rate.

Main Methods:

  • Examining the effects of stimulated saliva on plaque pH, clearance, buffering capacity, and tooth mineral saturation.
  • Assessing the impact of chewing gum to stimulate saliva after carbohydrate intake on plaque pH and enamel lesion remineralization.

Main Results:

  • Saliva stimulation enhances protective properties like clearance and buffering, particularly after carbohydrate consumption.
  • Stimulated saliva neutralizes plaque acid production and promotes remineralization of enamel lesions, especially in the presence of fluoride.
  • Chewing gum post-carbohydrate intake effectively reduces plaque pH fall and aids remineralization.

Conclusions:

  • Saliva's protective functions can be actively enhanced through appropriate stimulation.
  • Eating patterns that stimulate saliva could be a valuable addition to existing caries prevention strategies, alongside oral hygiene and fluoride treatments.
  • Further clinical validation is needed to confirm the caries prevention potential of saliva stimulation strategies.

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