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Evaluate Efficacy of Desensitizing Toothpaste Containing Zinc-carbonate Hydroxyapatite Nanocrystals: Non-comparative
Dhafer Al Asmari1, Muhammad K Khan1
1Department of Periodontics and Oral Medicine, College of Dentistry, Qassim University, Buraidah, Kingdom Saudi Arabia.
Objective:
The aim of the study was to evaluate the clinical effectiveness of desensitizing toothpaste in reducing the dentine hypersensitivity (DH).
Materials And Methods:
The study was a before and after clinical trial conducted to evaluate the clinical efficacy of a desensitizing toothpaste containing zinc-carbonate hydroxyapatite nanocrystals (Zn-CHA) for controlling DH. The trial involved 72 patients with DH who were evaluated four and eight weeks after using Zn-CHA toothpaste. The sensitivity was assessed by airblast method using Schiff Sensitivity Scale.
Results:
Repeated measures analysis of variance test was used to compare baseline score with fourth and eighth week. Statistically significant differences were observed between sensitivity scores at baseline and those at four- and eight-week intervals (P < 0.001).
Conclusion:
The results suggested that the use of Zn-CHA nanocrystals dentifrice might become an effective therapy to reduce DH.
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