Validation of Quantitative Light-Induced Fluorescence for Quantifying Calculus on Dogs' Teeth

Journal of Veterinary Dentistry
Corrin V WallisLucy J Holcombe

Abstract

Periodontal disease is a common disease of dogs and is initiated by the buildup of plaque on the tooth surface. As plaque matures, it becomes mineralized to form calculus, which although not directly involved in the etiology of periodontal disease, provides an irregular surface to which plaque can adhere. Evaluation of the quantity of plaque and calculus on dogs' teeth is therefore essential to enable the efficacy of products, designed to prevent or retard plaque and calculus accumulation, to be evaluated. The objective of this study was to determine whether quantitative light-induced fluorescence (QLFTM) is a suitable tool to quantify the amount of calculus on the buccal surface of dogs' teeth following the removal of disclosed plaque by tooth brushing. The amount of calculus on the teeth of 26 miniature schnauzers was measured, using QLF and a calculus index method (Warrick-Gorrel), during a 28-day phase crossover study comparing feeding a daily dental chew versus providing no daily chew. Quantification of calculus using the Warrick-Gorrel method showed a 43.8% reduction in calculus buildup, with 95% confidence interval of 27.3 to 60.3 ( P < .001). With QLF, the percentage reduction in calculus accumulation was 65.8% (58.1-73...Continue Reading

References

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Aug 5, 2016·Journal of Veterinary Dentistry·Corrin WallisStephen Harris
Feb 22, 2017·Research in Veterinary Science·Zoe V Marshall-JonesLucy J Holcombe

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Citations

Aug 28, 2020·Journal of Animal Science·Meredith Q CarrollKelly S Swanson

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Methods Mentioned

BETA
Fluorescence

Software Mentioned

R
multcomp
nlme
QLF
Inspektor QA2

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