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Am J Vet Res. 2014 Jul;75(7):653-7. doi: 10.2460/ajvr.75.7.653.

Evaluation of a topical gel containing a novel combination of essential oils and antioxidants for reducing oral malodor in dogs.

Author information

1
Department of Periodontics, College of Dentistry, University of Florida, Gainesville, FL 32610.

Abstract

OBJECTIVE:

To evaluate the effectiveness of a topically applied gel containing essential oils (menthol and thymol) and polyphenolic antioxidants (phloretin and ferulic acid) for reducing halitosis in dogs.

ANIMALS:

20 dogs.

PROCEDURES:

A blinded crossover clinical trial was conducted. Dogs received a dental cleaning and examination (periodontal examination including periodontal probing and assessments of plaque, calculus, and gingivitis). Owners then applied a gel (active or placebo) to oral soft tissues twice daily for a 4-week period. Teeth of the dogs were cleaned again, and owners applied the other gel for a 4-week period. Clinicians scored halitosis immediately after the initial cleaning and at 4 and 8 weeks, and owners scored halitosis weekly.

RESULTS:

Halitosis assessment by clinicians revealed that both groups had improvement in halitosis scores. Two dogs were removed because of owner noncompliance. In the active-to-placebo group (n = 9), halitosis was significantly reduced during application of the active gel but increased during application of the placebo. Seven of 9 owners reported increased halitosis when treatment was changed from the active gel to the placebo. In the placebo-to-active group (n = 9), halitosis decreased during application of the placebo and continued to decrease during application of the active gel. Seven of 9 owners reported a decrease in halitosis with the active gel.

CONCLUSIONS AND CLINICAL RELEVANCE:

An oral topically applied gel with essential oils and polyphenolic antioxidants applied daily after an initial professional dental cleaning decreased oral malodor in dogs.

PMID:
24959732
DOI:
10.2460/ajvr.75.7.653
[Indexed for MEDLINE]

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