A new desensitizing dentifrice: preliminary report.

Dentin sensitivity is one of the most painful, ubiquitous, and least satisfactorily treated chronic problems of the teeth. The purpose of this clinical trial was to test the sensitivity-reducing effectiveness of five dentifrices over a six-week period. For the study, 176 adults, ages 18 to 63, exhibiting a total of 486 hypersensitive surfaces, were randomly allocated to five experimental groups to use one of the following: a strontium chloride dentifrice, a 0.4% stannous fluoride gel, a pluronic F-127-sodium citrate gel, a pluronic F-127 gel, or a control dentifrice. No specific instructions were provided as to the frequency or method of toothbrushing; thus, the participants brushed their teeth in their usual manner. The analysis of the data was limited to 168 persons who complied with study procedures. Chi-square analysis examined the statistical differences between the four test agents and the control formulation. The desensitizing effect of the pluronic plus sodium citrate gel was highly significant, and the plain pluronic F-127 preparation was effective to a lesser degree. Patients using the strontium chloride or stannous-fluoride-containing dentifrices did not exhibit a significant improvement over the control group. This study demonstrated that a pluronic polyol gel containing sodium citrate is highly effective in controlling tooth hypersensitivity.
AuthorsD D Zinner, L F Duany, H J Lutz
JournalJournal of the American Dental Association (1939) (J Am Dent Assoc) Vol. 95 Issue 5 Pg. 982-5 (Nov 1977) ISSN: 0002-8177 [Print] UNITED STATES
PMID269880 (Publication Type: Case Reports, Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial, Research Support, U.S. Gov't, P.H.S.)
Chemical References
  • Chlorides
  • Citrates
  • Dentifrices
  • Gels
  • Polypropylenes
  • Propylene Glycols
  • Tin Fluorides
  • Sodium
  • Ethylene Oxide
  • Glycerol
  • Strontium
  • Adult
  • Chlorides (therapeutic use)
  • Citrates (therapeutic use)
  • Dentifrices (therapeutic use)
  • Dentin Sensitivity (therapy)
  • Double-Blind Method
  • Ethylene Oxide
  • Gels
  • Glycerol (therapeutic use)
  • Humans
  • Polypropylenes
  • Propylene Glycols
  • Sodium
  • Strontium (therapeutic use)
  • Tin Fluorides (therapeutic use)

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