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Related Experiment Videos

Does low acid orange juice equal low erosion?

Jeremy Rees1, Theresa Loyn, Alan Gilmour

  • 1Department of Adult Dental Health, Dental School,Wales College of Medicine, Cardiff University, Heath Park, Cardiff.

Dental Update
|June 8, 2006
PubMed
Summary
This summary is machine-generated.

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A new low acid orange juice shows less potential to erode tooth enamel compared to standard orange juice. This finding suggests a potentially safer option for dental health, pending clinical trials.

Area of Science:

  • Dental science
  • Food chemistry

Background:

  • Dental erosion is a significant concern, often influenced by dietary factors.
  • Orange juice is a common beverage with known erosive properties due to its acidity.

Purpose of the Study:

  • To compare the enamel erosive potential of standard Tropicana smooth orange juice and a new low acid orange juice.
  • To evaluate key parameters including pH, neutralizable acidity, and enamel erosion in vitro.

Main Methods:

  • Laboratory analysis of pH and neutralizable acidity (titration with NaOH).
  • Measurement of enamel erosion using a standardized laboratory model.
  • Comparison of erosive effects between standard and low acid orange juice formulations.

Main Results:

Related Experiment Videos

  • The low acid orange juice exhibited a higher pH (4.18) than standard orange juice (3.88).
  • Neutralizable acidity was lower in the low acid juice (16.96 ml NaOH) compared to the standard (28.46 ml NaOH).
  • Enamel erosion was significantly reduced with the low acid juice (2.49 microm) versus standard juice (5.23 microm).

Conclusions:

  • The low acid orange juice demonstrates reduced erosive potential in laboratory settings.
  • Further clinical trials are recommended to validate these findings for patients at risk of dental erosion.
  • The availability of low acid orange juice is a positive development for dietary management of dental erosion.