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Comparing different postoperative instructions for fluoride varnish application on oral fluoride retention and enamel remineralization: An in situ study

Comparing different postoperative instructions for fluoride varnish application on oral fluoride retention and enamel remineralization: An in situ study

Status
Unknown
Phases
Early Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20240817008
Enrollment
31
Registered
2024-08-17
Start date
2024-09-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Preventive intervention of dental caries Calcium fluoride Dental caries Dental plaque Fluoride varnish Remineralization

Interventions

After fluoride application, subjects are allowed to drink 240 ml of water and eat soft food at 5 minutes post-varnish application. Then, they can eat hard food and brush their teeth at 4 hours. This g
Standard,FV-NPO,Avoid brushing

Sponsors

Chulalongkorn University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Healthy, 2. Not less than 5 teeth present in any dental quadrant (At least 20 permanent teeth), 3. Normal oral health status (No evidence of active caries or periodontal disease), 4. Normal salivary flow (unstimulated saliva 0.3 - 0.6 ml/min), 5. Brushing with fluoride toothpaste 2 times a day everyday

Exclusion criteria

Exclusion criteria: 1. Use of medical conditions that reduced salivary flow, 2. History of fluoride allergy or hypersensitivity to colophony (Natural rosin), 3. Ulcerative gingivitis or stomatitis, 4. Bronchial asthma, 5. History of fluoride supplement use apart from fluoride toothpaste within 1 year, 6. Drinking habit of fluoride rich products such as green tea more than 3 times a day, 7. Participants with allergies to gluten, egg, milk, nuts, soy, or shellfish

Design outcomes

Primary

MeasureTime frame
fluoride in saliva Baseline, 15, 30, 40 minutes, 1, 2 hours, 4 hours 10 minutes, 24, 48 hours after intervention Fluoride ion specific electrode,fluoride in biofilm Baseline, 15, 30, 40 minutes, 1, 2 hours, 4 hours 10 minutes, 24, 48 hours after intervention spectrophotometer,fluoride in enamel 5 and 14 days after intervention Fluoride ion specific electrode,Lesion depth 14 days after intervention micro-CT,mineral density 14 days after intervention micro-CT

Countries

Thailand

Contacts

Public ContactChonticha Jitongart

Faculty of Dentistry, Chulalongkorn university

chontochajnt@gmail.com0945473733

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026