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Year : 2019  |  Volume : 9  |  Issue : 1  |  Page : 5-8

Estimation of salivary flow in oral submucous fibrosis patients using vibrotactile stimulation

1 Department of Oral Medicine & Radiology, Kaher's KLE VK Institute of Dental Sciences, Belagavi, Karnataka, India
2 Department of Public Health Dentistry, Kaher's KLE VK Institute of Dental Sciences, Belagavi, Karnataka, India

Correspondence Address:
Dr. Apurva Prashant Deshpande
Department Of Oral Medicine & Radiology, Kaher's KLE VK Institute of Dental Sciences, Belagavi, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijohs.ijohs_35_18

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Introduction: Xerostomia is encountered commonly in dentistry and also features in oral submucous fibrosis (OSMF), due to fibrosis and hyalinization in and around salivary glands. Vibrotactile stimulation of salivary glands is a new reliable noninvasive method for stimulation of saliva. Purpose: The aim of this research is to determine the efficacy of vibrotactile stimulation in increasing salivary secretions. Materials and Methods: Study was conducted on 20 individuals with OSMF and equal control group. Resting saliva was measured by asking the participants to accumulate saliva in the mouth for 3 min and then collect it in a container by spitting method. Later, masseter muscles were stimulated by extraoral vibrations of 90 Hz frequency through the apparatus for 3 min and stimulated saliva was collected immediately in a container. The volume of the stimulated and resting saliva was then compared. Results: The study comprised of majority male subjects with average age of 35 years. On vibrotactile stimuli, there was a rise in stimulated saliva in both the groups with a statistically significant P value. Conclusion: Although there is saliva blockage due to the fibrosis in minor salivary glands (MSGs) and ducts of major salivary glands in OSMF, this study showed increased salivary flow upon vibratory stimuli. Increase in salivation is assumed to be from tonic vibration reflex (TVR) of muscles and conduction of vibrations by the bone till the major salivary glands and MSG. The reported apparatus can be used to stimulate salivary flow by patients itself without any need of assistance.

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