Treatment of Interproximal Cavities on Primary Molar Teeth With Silver Diamine Fluoride

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

51 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-01-22

Study Completion Date

2023-05-31

Brief Summary

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This study investigates whether 1) Silver diamine fluoride (SDF) application using Super Floss can arrest and/or reverse initial interproximal caries on primary molars and 2) whether SDF applied with Super Floss is more effective in arresting or remineralizing initial interproximal lesion in comparison to SDF applied without Super Floss or fluoride varnish applied alone.

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Detailed Description

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Interproximal carious lesions are challenging to control and arrest due to difficulty reaching the contact area (in between teeth), limited salivary access, and poor flossing compliance in children and adolescents when flossing themselves. The vast majority of caries observed in children ages 5 to 10 are on interproximal surfaces.

Silver diamine fluoride (SDF) is a topical medicament touted as a very safe and noninvasive alternative and/or adjunct to topical fluoride treatment or restorative treatment to halt the progress ("arrest") of caries. SDF has been shown to remineralize ("reverse") demineralized enamel or dentin, inhibit collagenases to protect dentin collagen from destruction, and have bactericidal properties to cariogenic bacteria including streptococcus mutans. Normally, SDF is applied with a microbrush directly on an exposed carious lesion, but due to difficulty reaching interproximal carious lesions, an absorbent type of floss such as Super Floss has been proposed as a delivery method for SDF application.

The purpose of this study is to investigate whether 1) SDF application using Super Floss can arrest and/or reverse initial interproximal caries on primary molars and 2) whether SDF applied with Super Floss is more effective in arresting or remineralizing initial interproximal lesion in comparison to SDF applied without Super Floss or Fluoride varnish applied alone.

The study population includes healthy children, aged 3-12, with initial interproximal decay on deciduous molars identified by radiographs. In this study, initial decay is defined as radiographic decay within enamel or extending to the dentin-enamel junction based on International Caries Classification and Management System (ICCMS). Any eligible participant will be randomly allocated to one of three treatments: Fluoride varnish (Control) application alone versus SDF application without Super Floss (Control) versus SDF application with Super Floss (Intervention), which will be applied at the initial visit. At 3, 6, and 12 months, the participants will return for reapplication of their respective treatments. At the 6 month and 12 month mark, bitewing radiographs will be taken to determine status of the interested lesion(s). If a lesion progresses beyond the outer 1/3 of dentin, then the patient will be withdrawn and recommended routine restorative dental treatment. If a lesion arrests or reverses, then the current treatment will continue until end of study duration (12 months) and re-evaluated.

A statistician will be assisting us with descriptive statistics, cluster-adjusted chi-squared test, and other statistics to determine if any correlation exists.

Conditions

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Dental Caries in Children Dental Caries Class II Dental Caries

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Silver diamine fluoride is a medicament that can be used to remineralize and treat demineralized tooth structure. This studies Silver Diamine Fluoride application as a treatment for interproximal caries. It also compares Super Floss and Microbrush as ways in which to apply the medicament.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Evaluator of the x-rays will be blinded.

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5% Fluoride Varnish

Topical varnish

Intervention Type DEVICE

38% Silver diamine fluoride

Topical varnish

Intervention Type DEVICE

Super Floss

Floss will be used as a delivery agent of SDF to target interproximal carious lesion.

Intervention Type DEVICE

Other Intervention Names

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Voco ProFluorid Varnish Advantage Arrest 38% Silver Diamine Fluoride SDF Oral-B Super Floss woven floss spongy floss

Eligibility Criteria

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Inclusion Criteria

* ASA I and ASA II children, aged 3-12
* Behavior of 3 or 4 on Frankl scale
* Radiographic decay within enamel or extending to the dentin-enamel junction based on International Caries Classification and Management System (ICCMS) Categories 1, 2 and 3 "Initial stages".
* Target interproximal lesion does not have existing restoration, recurrent decay, or adjacent teeth with existing restorations.

Exclusion Criteria

* Children who are not ASA I or ASA II
* Children who are allergic to or intolerant of SDF
* Children who have known sensitivity to silver or heavy metal-ions, or have abnormal skin sensitization.
* Children who have ulcerative gingivitis or stomatitis.
* Carious interproximal lesions on primary molars in ICCMS Category 4, 5, or 6 18 , which signify the extent of the carious lesion radiographically reaching the middle 1/3 of dentin, inner 1/3 of dentin, and into the pulp respectively.
* Behavior of a child within the Frankl 1 or 2 category, indicating a "Definitely Negative" and "Negative" behavior, which may compromise safe application of SDF.

Minimum Eligible Age

3 Years

Maximum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes