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The Effect of Silver Diamine Fluoride (SDF) on Bacteria Involved in Root or Cervical Carious Lesions

The Effect of Silver Diamine Fluoride (SDF) on Bacteria Involved in Root or Cervical Carious Lesions Using HOMINGS Technology. A Clinical Study

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02953886
Enrollment
21
Registered
2016-11-03
Start date
2016-11-30
Completion date
2017-04-20
Last updated
2018-09-28

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

Conditions

Caries

Keywords

Caries, Cavity, Silver Diamine Fluoride (SDF), HOMINGS

Brief summary

The study will compare bacteria levels in cavities before and after silver diamine fluoride (SDF) treatment.

Detailed description

To assess the effect of silver diamine fluoride (SDF) treatment on microorganisms present in root caries or cervical lesions by collecting microbial deposits before and 1 month after SDF application. Bacterial samples will be collected from 20 adult subjects at the initial visit before application of SDF and one month after. At the 1 month recall, examination for caries arrest will be performed. All 40 bacterial samples will be sent to the Forsyth Institute to verify bacterial composition using HOMINGS technology.

Interventions

No caries removal will take place. Bacterial samples will be collected using Gracey curettes at the initial visit before application of SDF and one month after. The tooth will be dried and SDF will be placed on the carious dentin until saturated. Excess will be blotted dry with a cotton pellet

Sponsors

The Forsyth Institute
CollaboratorOTHER
Heba Mitwalli
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Generally healthy adult participants 18 years of age and older. * At least one tooth with active (soft) cavitated lesions of ICDAS score 5 or 6 near the gingival margin (coronal cervical caries at the CEJ or exposed root surfaces with soft active carious lesions exposing dentin).

Exclusion criteria

* Adult participants who suffer from serious life-threatening medical diseases that interfere with basic daily self care activities. * Patients taking antibiotics within the last two weeks. * Patients using chlorhexidine or fluoride mouth washes within the last two weeks. * Pregnant or breastfeeding women. * Teeth with arrested (hard) cervical or root caries lesions. * Teeth that have been diagnosed with an abscess or an irreversible pulpitis, or are mobile.

Design outcomes

Primary

MeasureTime frameDescription
Change in Bacterial Composition Before and One Month After SDF Application to Root or Cervical Caries Lesionsbaseline, One month after SDFUsing human oral microbiome identification using next-generation sequencing (HOMINGS), change in the total bacterial composition of all subjects was measured by the difference of the number of bacteria count from baseline to one month after SDF application.
Caries Arrest of Teeth Measured by Change in Dentin Texture (Soft, Hard)One monthCaries were examined for hardness or softness before and after SDF application. The change in the texture was examined after one month of SDF application the change from soft to hard is noted below.

Secondary

MeasureTime frameDescription
Patient Assessment of Appearance of Treated Tooth (Concern With the Appearance of Study Tooth, Desire for the Study Tooth to be Filled)One monthEach subject was asked if they were concerned with the appearance of the tooth that SDF was applied too. They were also asked if they wanted the study tooth to be filled with a tooth color filling.

Countries

United States

Participant flow

Participants by arm

ArmCount
Silver Diamine Fluoride (SDF)
Application of Silver Diamine Fluoride (SDF) to root or cervical carious lesions (cavities). Collection of plaque pre- and one month post-SDF application. Silver Diamine Fluoride (SDF): No caries removal will take place. Bacterial samples will be collected using Gracey curettes at the initial visit before application of SDF and one month after. The tooth will be dried and SDF will be placed on the carious dentin until saturated. Excess will be blotted dry with a cotton pellet
20
Total20

Baseline characteristics

CharacteristicSilver Diamine Fluoride (SDF)
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
7 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
3 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
White
16 Participants
Region of Enrollment
United States
20 Participants
Sex: Female, Male
Female
8 Participants
Sex: Female, Male
Male
12 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 21
other
Total, other adverse events
21 / 21
serious
Total, serious adverse events
0 / 21

Outcome results

Primary

Caries Arrest of Teeth Measured by Change in Dentin Texture (Soft, Hard)

Caries were examined for hardness or softness before and after SDF application. The change in the texture was examined after one month of SDF application the change from soft to hard is noted below.

Time frame: One month

ArmMeasureGroupValue (NUMBER)
Silver Diamine Fluoride (SDF)Caries Arrest of Teeth Measured by Change in Dentin Texture (Soft, Hard)Soft8 cervical lesions
Silver Diamine Fluoride (SDF)Caries Arrest of Teeth Measured by Change in Dentin Texture (Soft, Hard)Hard12 cervical lesions
Primary

Change in Bacterial Composition Before and One Month After SDF Application to Root or Cervical Caries Lesions

Using human oral microbiome identification using next-generation sequencing (HOMINGS), change in the total bacterial composition of all subjects was measured by the difference of the number of bacteria count from baseline to one month after SDF application.

Time frame: baseline, One month after SDF

ArmMeasureGroupValue (NUMBER)
Silver Diamine Fluoride (SDF)Change in Bacterial Composition Before and One Month After SDF Application to Root or Cervical Caries LesionsBaseline1890087 bacterial count
Silver Diamine Fluoride (SDF)Change in Bacterial Composition Before and One Month After SDF Application to Root or Cervical Caries LesionsOne month after SDF1959306 bacterial count
Secondary

Patient Assessment of Appearance of Treated Tooth (Concern With the Appearance of Study Tooth, Desire for the Study Tooth to be Filled)

Each subject was asked if they were concerned with the appearance of the tooth that SDF was applied too. They were also asked if they wanted the study tooth to be filled with a tooth color filling.

Time frame: One month

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Silver Diamine Fluoride (SDF)Patient Assessment of Appearance of Treated Tooth (Concern With the Appearance of Study Tooth, Desire for the Study Tooth to be Filled)Concerned with appearance of tooth1 Participants
Silver Diamine Fluoride (SDF)Patient Assessment of Appearance of Treated Tooth (Concern With the Appearance of Study Tooth, Desire for the Study Tooth to be Filled)Desire for tooth to be filled18 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026