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Comparison of efficacy of three commercially available dentrifices on dentinal hypersensitivity: a randomized clinical trial

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Background:  Dentinal hypersensitivity has been defined as a short, sharp pain arising from exposed dentine as a result of various stimuli such as heat, cold, chemical, or osmotic, that cannot be ascribed to any other pathology. This study was conducted to assess the efficacy of three commercially available toothpastes in the reduction of dentinal hypersensitivity.

Methods:  A total of 149 subjects (72 males and 77 females; aged 20 to 60 years) were entered into the study and randomly divided into four groups: Group 1 – toothpaste containing 5% potassium nitrate; Group 2 – toothpaste containing 5% calcium sodium phosphosilicate with fused silica; Group 3 – toothpaste containing 3.85% amine fluoride; and Group 4 – a placebo toothpaste. After sensitivity scores for controlled air stimulus and cold water at baseline were recorded, subjects were given toothpastes and sensitivity scores were measured again at 2 weeks and 6 weeks.

Results:  All groups showed a reduction in sensitivity scores at 2 weeks and 6 weeks. The calcium sodium phosphosilicate group was found to be significantly better compared to the other groups at the end of 6 weeks.

Conclusions:  The calcium sodium phosphosilicate group showed a better reduction in the symptoms of dentinal hypersensitivity.
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Document Type: Research Article

Affiliations: 1: Department of Periodontics, Government Dental College and Research Institute, Bangalore, India. 2: Department of Endodontics and Conservative Dentistry, Government Dental College and Research Institute, Bangalore, India.

Publication date: December 1, 2012

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