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Am J Dent. 2012 Jun;25(3):146-52.

Comparative efficacy of two treatment regimens combining in-office and at-home programs for dentin hypersensitivity relief: a 24-week clinical study.

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  • 1Contract Dental Evaluations, Langhorne, Pennsylvania, USA.

Abstract

PURPOSE:

Dentin hypersensitivity is a significant clinical problem that affects numerous individuals. This sharp pain, arising from exposed dentin in response to external stimuli, can be a particularly uncomfortable and unpleasant sensation for patients, because it interferes with their quality of life. The objective of this 24-week, single-center, parallel group, double-blind, stratified and randomized clinical study was to evaluate the clinical efficacy of a single professional treatment with an in-office desensitizing paste followed by twice daily brushing with a desensitizing toothpaste and toothbrush for 24 weeks.

METHODS:

100 adults with confirmed dentin hypersensitivity were randomly assigned into two groups. One group received a single in-office treatment with a desensitizing paste containing 8% arginine and calcium carbonate (marketed as Colgate Sensitive Pro-Relief Desensitizing Paste and Elmex Sensitive Professional desensitizing paste), after dental scaling, followed by 24 weeks of brushing twice daily with a desensitizing toothpaste containing 8% arginine, calcium carbonate with 1450 ppm fluoride as MFP (marketed as Colgate Sensitive Pro-Relief toothpaste and Elmex Sensitive Professional toothpaste) and using the Colgate Sensitive Pro-Relief toothbrush (Test Group). The other group received a single in-office treatment with Nupro-M pumice prophylaxis paste, after dental scaling, followed by 24 weeks of brushing twice daily with a non-desensitizing toothpaste containing 1450 ppm fluoride as MFP and with the Oral-B Indicator toothbrush (Negative Control Group). Hypersensitivity was reexamined immediately after in-office product application and after 8 and 24 weeks of twice daily brushing.

RESULTS:

Immediately after professional product application, and after 8 and 24 weeks, subjects assigned to the Test Group demonstrated statistically significant improvements in dentin hypersensitivity compared to subjects assigned to the Negative Control Group in tactile (49.8%, 57.5% and 32.9%, respectively) and air blast (26.0%, 38.4% and 34.3%, respectively) sensitivity scores. The instant reductions in dentin hypersensitivity provided by the single professional application of a desensitizing paste for in-office use, containing 8% arginine and calcium carbonate were maintained by twice daily brushing with the 8% arginine, calcium carbonate toothpaste with 1450 ppm fluoride as MFP and the Colgate Sensitive Pro-Relief toothbrush for at least 24 weeks.

PMID:
22988684
[PubMed - indexed for MEDLINE]
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