New proposal of silver diamine fluoride use in arresting approximal caries: Study protocol for a randomized controlled trial

Mattos-Silveira, J., Floriano, I., Ferreira, F.R., Vigan, M. E., Frizzo, M. A., Reyes, A., Novaes, T. F., Moriyama, C. M., Raggio, D. P. ORCID: https://orcid.org/0000-0002-0048-2068, Imparato, J. C. P., Mendes, F. M. and Braga, M. M. 2014. New proposal of silver diamine fluoride use in arresting approximal caries: Study protocol for a randomized controlled trial. Trials 15 (1) , 448. 10.1186/1745-6215-15-448

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Abstract

Background Approximal surfaces are a challenge to caries lesions control. Silver diamine fluoride (SDF) is a simple,low-cost and promisor intervention for arresting caries lesions, but it has never been tested on approximal surfaces. Our aim is to evaluate the efficacy and cost-efficacy of SDF in arresting initial lesions compared to resin infiltration and exclusively flossing (control group). Our second aim is to assess discomfort and satisfaction regarding interventions. Methods/design This is a randomized clinical trial, double-blinded, placebo-controlled study. Children/adolescents presenting at least one approximal initial caries lesion in primary molars/permanent premolars and molars will be included. Surfaces with advanced dentine lesions identified by radiography and participants who refuse to participate or present negative behaviors will be excluded. A minimum sample size of 504 surfaces will be required for each subgroup. Individuals will be randomly allocated in three groups of interventions: SDF, resin infiltration, and control group. Depending on the allocation, the patients will receive the active treatment and respective placebo therapies. All patients will be oriented to daily flossing the included surfaces. Our primary outcome will be caries progression by clinical and radiographic examinations. Appointments will be timed and costs of materials will be considered to calculate cost-efficacy. Patient discomfort will be assessed after interventions. Parent and patient satisfaction with the treatment will be collected after treatment and in the last follow-up visit. Individuals will be assessed at 1 and 3 months after treatment to evaluate dental biofilm and at 6, 12, and 24 months to assess caries progression by visual examination and/or radiography. Multilevel analyses will be used to verify if the type of treatment influenced on the tested outcomes. Costs will be compared and analyses of cost-efficacy will be performed. Poisson analysis will test the association between intervention and reported discomfort and satisfaction. Discussion Our hypothesis is that SDF is the most cost-efficacious option from all tested interventions. If our hypothesis is confirmed, the use of SDF in private and public contexts could represent an easier and effective option in the treatment of enamel approximal caries in children/adolescents.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Dentistry
Additional Information:	This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
Publisher:	BioMed Central
ISSN:	1745-6215
Date of First Compliant Deposit:	21 June 2022
Last Modified:	28 May 2023 02:39
URI:	https://orca.cardiff.ac.uk/id/eprint/148867

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