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To compare the iodine remaining in saliva between gargle method and swab method
separate the participant in 2 groups group 1 use iodine gargle with gargle method, after 48 hours use iodine gargle with swab method group 2 use iodine gargle with swab method, after 48 hours use iodine gargle with gargle method The researcher will collect saliva before use iodine gargle and after use at time 0, 5, 10, 20, 30, 60, 120 minutes
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Gargle method | Experimental | the participant will use 0.2% iodine gargle with gargle method by hold in mouth 30 second and gargle 30 seconds after that spit out |
|
| Swab method | Experimental | the participant will use 0.2 iodine gargle with swab method by the researcher apply on mouth 1 minute without spit out |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Iodine gargle | Other | Iodine gargle 0.2 % |
|
| Measure | Description | Time Frame |
|---|---|---|
| The rate of retention of iodine in saliva | The retention of iodine in saliva after get the gargle (show in percentage) | 0, 5, 10, 20, 30, 60 and 120 minutes |
| The comparison of the retention of iodine between gargle and swab | The comparison of rate of retention of iodine in saliva between gargle and swab (show in percentage) | 0, 5, 10, 20, 30, 60 and 120 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Wannakorn Sriar | Faculty of Dentistry, Chulalongkorn University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Dentistry, Chulalongkorn University | Bangkok | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33388089 | Background | Tabatabaeizadeh SA. Airborne transmission of COVID-19 and the role of face mask to prevent it: a systematic review and meta-analysis. Eur J Med Res. 2021 Jan 2;26(1):1. doi: 10.1186/s40001-020-00475-6. | |
| 33024307 | Background | Hu B, Guo H, Zhou P, Shi ZL. Characteristics of SARS-CoV-2 and COVID-19. Nat Rev Microbiol. 2021 Mar;19(3):141-154. doi: 10.1038/s41579-020-00459-7. Epub 2020 Oct 6. |
| Label | URL |
|---|---|
| interim guidance for minimizing risk of COVID-19transmission | View source |
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the participant will use iodine gargle in 2 method
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| 41664017 | Derived | Sriudom W, Sriarj W, Vilaivan T, Trairatvorakul C. Comparison of gargling and swabbing methods for delivering pre-procedural povidone-iodine mouthrinse: a randomised crossover trial. BMC Oral Health. 2026 Feb 10;26(1):489. doi: 10.1186/s12903-026-07863-0. |
| Thai dental guideline | View source |