Abstract
Introduction: Dentine hypersensitivity (DH) occurs on exposed dentine and is dependent on the patency of dentinal tubules. This study compared the effectiveness of toothpaste containing Strontium Chloride, Novamine, Pro-Arginine in occluding dentine tubules along with comparision of those.
 Materials and Method: 45 freshly extracted teeth were randomly divided (15 each) into 3 groups:
 Group 1 15 Teeth treated with toothpaste containing Strontium Chloride.
 Group 2 15 Teeth treated with toothpaste containing Novamine
 Group 3 15 Teeth treated with toothpaste containing Pro-Arginine.
 Each specimen was brushed with the dentifrice slurries and examined under SCM.
 Result: The mean of occluded dentinal tubules on the dentin surface after brushing with three dentifrices were significant among them Pro-arginine group showed maximum occlusion.
 Conclusion: The present in vitro SEM study results revealed that: All the experimental agents– Strontium chloride, novamin, Pro- Argenine were effective in occluding dentinal tubules & the percentage (%) of occluded tubules was found to be highest for Pro- Argenine as compared to the other groups.
 Keywords: SCM, DH
Highlights
Dentine hypersensitivity is a relatively common, painful dental condition
Dentine hypersensitivity is a condition often termed as “enigma being frequently encountered but poorly understood with a prevalence of 4-57% and mostly occurs in the age group of 30-40 years.[2]. It is clinically described as a painful response to thermal, chemical, mechanical, evaporative, or osmotic stimuli applied to opened dentinal tubules, which cannot be ascribed to any other form of dental defect or pathology.[1]
The hydrodynamic theory best explains the mechanism of dentin hypersensitivity, and this is widely accepted as how dentin hypersensitivity occurs
Summary
Dentine hypersensitivity is a relatively common, painful dental condition. Typically, the pain is short and sharp and occurs in response to certain stimuli applied to exposed dentine. Dentin hypersensitivity (DH) is neither a recent problem nor a rare one; this clinical condition remains poorly understood with no effective or permanent treatment available.[1] Dentine hypersensitivity is a condition often termed as “enigma being frequently encountered but poorly understood with a prevalence of 4-57% and mostly occurs in the age group of 30-40 years.[2] It is clinically described as a painful response to thermal, chemical, mechanical, evaporative, or osmotic stimuli applied to opened dentinal tubules, which cannot be ascribed to any other form of dental defect or pathology.[1] The hydrodynamic theory best explains the mechanism of dentin hypersensitivity, and this is widely accepted as how dentin hypersensitivity occurs. The two main approaches to treating dentin hypersensitivity are interference of nerve transmission and to occlude the open dentin tubules.[4]
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