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Thursday, May 08, 2008

Essential Oils Show Positive Effects In Oral Hygiene

Another study has confirmed the efficacy of using essential oils in preparations such as toothpaste and mouthwash for reducing the amount of bacteria in the mouth. This is important, as it is bacteria that cause all of our dental troubles, from tooth decay, to plaque, to gum disease. You can experiment yourself by adding a drop of spearmint essential oil to your toothpaste before using; any other oil like Peppermint or Cinnamon would need SIGNIFICANT dilution (1 part to 100 for example) in your oral cleansing preparation before use.

The first study evaluates the efficacy of a toothpaste with Peppermint essential oil against a specific bacteria. The second evaluates plaque reduction compared to preparations using other active ingredients. Note that the first study mentions the potency of the lower concentrations of essential oils - as is usually the case in aromatherapy, smaller amounts of oil ususally have the greatest efficacy!

Study: Phytotherapeutic inhibition of supragingival dental plaque.

Shayegh S, Rasooli I, Taghizadeh M, Astaneh SD.Department of prosthetics, College of Dentistry, Shahed University, Tehran, Iran.

Antimicrobial activities and biofilm-formation preventive properties of Mentha piperita (peppermint essential oil) and Cuminum cyminum essential oils and chlorhexidine were assessed against Streptococcus mutans and Streptococcus pyogenes. Gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) analysis led to the identification of 26 and 32 compounds in the essential oils of M. piperita and C. cyminum, respectively. Minimal bactericidal concentrations (MBC) of the oils and chlorhexidine and microbial decimal reduction time (D value) were determined. Antibacterial and in vivo biofilm preventive efficacies of all the concentrations of M. piperita oil were significantly (p<0.001)> chlorhexidine > C. cyminum order. In vivo experiments conducted on male and female volunteers who brushed with essential oil blended toothpastes indicated that lower concentrations of the oils, in particular the M. piperita oil, were significantly higher (p<0.001)>

Study: Comparative antiplaque effectiveness of an essential oil and an amine fluoride/stannous fluoride mouthrinse.

Riep BG, Bernimoulin JP, Barnett ML.
Department of Periodontology, Humboldt University/Charité, Berlin, Germany.

The adjunctive use of antimicrobial mouthrinses to help control supragingival plaque and gingivitis has been shown to contribute significantly to patients' daily oral hygiene regimens. This controlled clinical study used an observer-blind, randomized, cross-over design in a 4-day plaque regrowth model to determine the relative efficacies of an essential oil-containing mouthrinse (Listerine Antiseptic) and an amine fluoride/stannous fluoride-containing mouthrinse (Meridol) in inhibiting the development of supragingival plaque. A 0.1% chlorhexidine mouthrinse (Chlorhexamed-Fluid) was used as a positive control, and a 5% hydroalcohol solution was used as a negative control. Dosing for each of the test mouthrinses was based on the manufacturers' label directions. Because the volume and rinse time for each of the test mouthrinses were different, each test mouthrinse had its own negative control group. On day 1 of each test period, subjects received an oral soft and hard tissue examination and a dental prophylaxis to remove all plaque, calculus, and extrinsic stain. Starting the same day, subjects refrained from all mechanical oral hygiene procedures for the next 4 days and rinsed 2x daily under supervision with their randomly-assigned mouthrinse. On day 5, each subject received a plaque assessment as well as an oral examination to assess side effects. Each test period was separated by a 2-week washout period. 23 volunteers with a median age of 26 years completed the study. Compared to the respective placebos, the median percent plaque reductions at 5 days were 23.0%, 12.2%, and 38.2% for the essential oil, amine/stannous fluoride, and chlorhexidine rinses, respectively. The plaque reductions seen in the essential oil and chlorhexidine rinse groups were statistically significant (p <> 0.05). Additionally, the essential oil rinse was significantly more effective (p <>

*The FDA has not evaluated the statements on this website. The information presented here is for educational purposes of traditional uses and is not intended to diagnose, treat, cure, or prevent any diseases.

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