Dose Response of a Tubule Occlusion Agent

Status Completed

Clinical Trial Summary

To evaluate the efficacy of two different concentrations of a tubule occlusion agent - calcium sodium phosphosilicate in treatment of dentine hypersensitivity

Clinical Trial Description

Dentine hypersensitivity is characterized by short, sharp pain arising from exposed dentine typically in response to chemical, thermal, tactile or osmotic stimuli. Dentine hypersensitivity may be treated by either making the nerve in the tooth less sensitive or by occluding the tubules to limit exposure of the nerve to external stimuli. Bioactive and biocompatible glasses react with oral fluid to deposit a mineral that is chemically analogous to that found in both enamel and dentine thus preventing exposure of the nerve to external stimuli.

A number of controlled clinical trials have been reported indicating that a calcium sodium phosphosilicate bioactive glass, when incorporated into a toothpaste formulation, significantly reduce pain from dentine hypersensitivity. The aim of this study is to evaluate the effectiveness of two currently marketed toothpastes, containing 5% calcium sodium phosphosilicate and the other containing 7.5% calcium sodium phosphosilicate in the treatment of dentine hypersensitivity compared to a matched placebo control. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01075256
Study type	Interventional
Source	GlaxoSmithKline
Contact
Status	Completed
Phase	Phase 4
Start date	December 2008
Completion date	March 2009

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