Comparative evaluation of different strengths of electrical current in the management of dentinal hypersensitivity.
BACKGROUND
Dentinal hypersensitivity is a commonly occurring but less understood and poorly managed problem of the teeth. Iontophoresis is a technique wherein desensitizing agents can be transferred under electrical pressure into the tooth structure to manage hypersensitivity.


OBJECTIVE
The purpose of present study is to compare the effect of different strengths of electrical current used for varying lengths of time, keeping the electrical dosage constant with the iontophoretic unit in the management of dentinal hypersensitivity.


METHODS
This study was conducted among the patients attending the Periodontal Department of the Government Dental College and Hospital, Patiala, Punjab, specifically complaining of tooth hypersensitivity. The Verbal Rating Scale (VRS) was used to record scores pre-, during, and post-treatment. Ten percent SrCl2 solution was applied with an iontophoretic unit. Three applications were performed at weekly intervals, up to the second week, using the same electric current dosage. The data compiled was statistically analyzed.


RESULTS
A remarkable reduction in dentinal hypersensitivity to both air blast and cold water stimuli was noted at the end of two months after iontophoresis with each current group/method, namely, I (0.25 mA for 4 minutes), II (0.5 mA for 2 minutes), and III (1 mA for 1 minute). However, the differences in effectiveness/improvement within the three current groups during the entire duration of the study were found to be statistically insignificant.


CONCLUSIONS
Within the limits of this study, it could be implied that for relieving hypersensitivity, iontophoresis for all three current groups was almost equally effective, and it was found that repeated applications (up to three) gave good relief. Iontophoresis was found to be effective and safe.
Sandhu
Sharn Pal
SP
Department of Periodontics, S.G.T Dental College, Hospital and Research Institute, Budhera, Gurgaon, Haryana, India.
Sharma
Roshan Lal
RL
Bharti
Vipin
V
D057133:Dentin Desensitizing Agents / Q000008:administration & dosage*; D003807:Dentin Sensitivity / Q000628:therapy*; D004560:Electricity; D006801:Humans; D007478:Iontophoresis / Q000379:methods*; D010147:Pain Measurement; D013997:Time Factors
D057133:Dentin Desensitizing Agents