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ORIGINAL ARTICLE
Year : 2021  |  Volume : 11  |  Issue : 3  |  Page : 287-293

“Modified Schirmer test in assessment of salivary flow rate among patients on antidepressants”: A comparative study


1 Department of Oral Medicine and Radiology, Srinivas Institute of Dental Sciences, Mangaluru, Karnataka, India
2 Department of Oral Medicine and Radiology, Bangalore Institute of Dental Sciences, Bengaluru, Karnataka, India
3 Department of Oral Maxillofacial Pathology and Microbiology, Srinivas Institute of Dental Sciences, Mangaluru, Karnataka, India
4 Department of Oral Medicine and Radiology, A. J. Institute of Dental Sciences, Mangaluru, Karnataka, India
5 Department of Pediatric and Preventive Dentistry, MGM Dental College and Hospital, Kamothe, Navi Mumbai, Maharashtra, India
6 Department of Oral Maxillofacial Pathology and Microbiology, Dr. B. R. Ambedkar Institute of Dental Sciences, Patna, Bihar, India

Correspondence Address:
Dr. Manipal Shruthi
Department of Oral Medicine and Radiology, Srinivas Institute of Dental Sciences, Mukka, Surathkal, Mangaluru, Karnataka.
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jispcd.JISPCD_416_20

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Aims: The objective of this study was to assess salivary flow rate (SFR) among healthy subjects or patients on antidepressant drugs such as tricyclic antidepressants (TCAs) and selective serotinin reuptake inhibitors (SSRIs) by using the “Modified Schirmer Test” (MST). To evaluate and correlate salivary flow rate by using MST and comparing it with the spitting method in patients on antidepressants and healthy control subjects. Materials and Methods: Data were collected from the patients visiting the dental college and the psychiatry department. A total of 105 subjects were included in the present study, dividing Group I as control, Group II as SSRIs, and Group III as TCAs. In all subjects, a screening questionnaire was recorded, SFR was determined by the spitting method, and MST was carried out in the morning. The MST was performed by placing a modified Schirmer tear strip (STS) on the floor of the mouth for all subjects, and readings were taken for 3 min. Results: The SFR value obtained among Group I by the spitting method was 0.83 ml at 5 min, and by the MST method was 34.97 mm at 3 min, with a P value of 0.860. The SFR value obtained among Group II by the spitting method was 0.47 ml at 5 min, and by the MST method was 26.25 mm at 3 min, with a P value of 0.001, which was highly significant. The SFR value obtained among Group III by the spitting method was 0.394 ml at 5 min, and by the MST method was 10.71 mm at 3 min, with a P value of 0.041, which was significant. Conclusions: A significant positive correlation was observed between the SFR value obtained by both the spitting method and MST. From our study, we can conclude that the MST can be used as an effective noninvasive tool to estimate SFR.


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