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  • Title: Using sequential applications of a novel silver diamine fluoride gel and sodium fluoride varnish to arrest severe early childhood caries lesions: A clinical trial with single group assignment.
    Author: Padilla Cáceres TC, Cervantes-Alagón S, Castillo JL, Vera Reyes CM, Rothen M, Mancl LA, Milgrom P.
    Journal: J Am Dent Assoc; 2024 Jun; 155(6):526-535. PubMed ID: 38678451.
    Abstract:
    BACKGROUND: Silver diamine fluoride (SDF) gel was developed to overcome the clinical limitations of liquids with children. The authors conducted a clinical trial to determine caries lesion arrest in primary teeth at 1-year follow-up when 38% SDF gel and 2.5% sodium fluoride varnish were applied sequentially at the same appointment. Parent satisfaction was assessed. METHODS: The study design was an open-label prospective, clinical trial with single group assignment. Participants were 237 children aged 3 through 4 years at enrollment and from 5 centros educativos iniciales (preschools). Eligible children had 1 or more d3 (cavitation into dentin) active caries lesions. Teeth with active caries lesions (cavitation confined to enamel [d2] or d3) were treated by applying 1 or 2 drops of viscous 38% SDF gel (Advantage Silver Dental Arrest Gel, Elevate Oral Care, LLC) dabbing the excess with cotton. Treated teeth were covered with 2.5% sodium fluoride varnish (Fluorimax, Elevate Oral Care, LLC) to mask the taste. Treatment was repeated at 5 months postexamination. The primary outcome was caries lesion (d2-d3) arrest at 1 year. RESULTS: Two hundred nineteen children were available at the 1-year follow-up. There was a median of 21 (interquartile range [IQR], 13-34) active carious surfaces (d2-d3) at baseline. Median arrested carious surfaces was 92.6% (IQR, 81.1%-100.0%; 95% CI, 86.8% to 95.2%). When parents were asked whether they were bothered by the color change of teeth, the median response on a 10-point scale in which 1 equaled not bothered at all and 10 equaled very bothered was 1.0 (IQR, 1.0-2.0). CONCLUSIONS: Two applications of 38% SDF gel and 2.5% sodium fluoride varnish arrested greater than 90% of carious surfaces at 1 year and with high levels of parental satisfaction. PRACTICAL IMPLICATIONS: Combined treatment was highly efficacious in a population with many caries lesions. This clinical trial was registered at ClinicalTrials.gov. The registration number is NCT05395065.
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