Efficacy of Different Agents in Treatment of Initial Caries on Smooth Surfaces in Permanent Teeth in Children

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-06-01

Study Completion Date

2025-04-30

Brief Summary

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White spot lesions (WSL) are characterized by an apparently intact outer surface and a demineralized subsurface, and are considered the first clinical sign of dental caries.

Aim of this study is to determine the treatment potential of self-assembling peptide (P11-4), casein phosphopeptide-amorphos calcium fluoride phosphate (CPP-ACFP) and resin infiltration technique to reverse or arrest the WSLs in the same oral environments in pediatric patients using visual assessments and laser fluorescence investigation.

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Detailed Description

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White spot lesions (WSL) are characterized by an apparently intact outer surface and a demineralized subsurface, and are considered the first clinical sign of dental caries. These lesions are characterized by white chalky appearance. As caries is reversible under favorable conditions, many approaches have focused on treating it as soon as possible1.

Aim of this study is to determine the treatment potential of self-assembling peptide (P11-4), casein phosphopeptide-amorphos calcium fluoride phosphate (CPP-ACFP) and resin infiltration technique to reverse or arrest the WSLs in the same oral environments in pediatric patients. This will be achieved using visual assessments and laser fluorescence investigation.

The proposed study is a randomized controlled clinical trial with split-mouth design. Included are forty positive patients aged 9-17 years, with at least four visible WSL on smooth surfaces in permanent teeth, requiring non-operative treatment. WSL will be assessed visually by ICDAS II, Nyvad criteria and laser fluorescence (LF pen). The lesions are randomly assigned into 4 groups (n = 40): Gr NT (no treatment, control group), Gr CR (Curodont Repair), Gr V (MI Varnish), Gr I (Icon) groups. Lesions will be assessed by International Caries Detection and Assessment System, Nyvad caries activity criteria and laser fluorescence at baseline and follow-up period after1, 3, 6 and 12 months.

Data will be analyzed with intention-to-treat concept by Student T-test for paired samples, Wilcoxon signed rank test, P\< .05. Pre-test on 20 subjects resulted in n=41 patients sample size.

Conditions

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White Spot Lesion of Tooth

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

The trial to be conducted is a randomized controlled clinical crossover experimental study with split-mouth design. The within-subject design randomly allocates experimental and control interventions to different areas in the oral cavity (teeth, surfaces, arches, quadrants) and has the advantage of reducing outcome variability estimation since each patient is its own control, leading to potential increase in statistical power.

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Outcome Assessors

This is a double-blinded trial, i.e., where patients and outcomes assessor are not aware which white spot lesion what treatment will receive, unlike the operator which is not blinded for the study due to the nature of the investigated techniques.

Study Groups

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SAP11-4 group (Gr CR)

The Gr CR will receive treatment with Curodont RepairTM (Credentis; Windisch, Switzerland), according to the manufacturer's instructions.

Group Type EXPERIMENTAL

Self-assembling peptide (P11-4)

Intervention Type DRUG

Prior to application, teeth are isolated by cotton rolls and gently air dried. The surface of the lesion is conditioned with a 2% sodium hypochlorite solution for 20 s and then rinse with water. Application of 35% phosphoric acid etching gel for 20 sec followed by rinsing with water-air spray for 30 sec. Drying the surface with compressed oil-free air for 60 sec. Curodont Repair is dissolve in 0.05 ml of distilled water and applied to the surface and allowed to work for about 5 min.

Participants will receive oral hygiene instructions.

CPP-ACFP group (Gr V)

The Gr V will receive treatment with MI varnishTM (GC Corporation, Tokyo, Japan), according to the manufacturer's instructions.

Group Type ACTIVE_COMPARATOR

CPP-ACFP

Intervention Type DRUG

Prior to application, teeth are isolated by cotton rolls and gently air dried. Application of fluoride varnish with a brush applicator on the surface of the teeth for 5 minutes. Patients is advising not to brush their teeth or chew food for at least 4 h after treatment.

Participants will receive oral hygiene instructions

Resin infiltration group (Gr I)

The Gr I receive treatment with Icon Vestibular (DMG, Germany), according to the manufacturer's instructions.

Group Type ACTIVE_COMPARATOR

Resin infiltration

Intervention Type DRUG

The validated ICON Vestibular (DMG) infiltration lesion infiltration protocol is applied. Icon Etch (DMG) etching gel containing 15% hydrochloric acid is applied for 120 seconds using an applicator. It is then removed by rinsing thoroughly with water-air spray for 30 seconds. Then follows application of pure alcohol - Icon Dry (DMG) for 30 seconds for complete drying of the lesion and additional drying compressed oil-free air for 40 sec. Application of Icon Infiltrant (DMG) using a microapplicator allows it to penetrate for 3 minutes, during which, if necessary, it is reapplied several times. Excess material is removed with dry microbrushes and followed by light curing for 40 seconds. Re-applying of the infiltrate for 1 minute, removal of excess material, light curing for 40 seconds. Participants will receive oral hygiene instructions

Control group (Gr NT)

The control group (Gr NT) receive no intervention except brushing twice daily with aminofluoride toothpaste and toothbrush provided by researcher.

Group Type PLACEBO_COMPARATOR

Control Group, No Treatment

Intervention Type OTHER

Everyday oral hygiene instructions Subjects will receive non-prescription fluoride toothpaste (1400 ppm Fluoride, Elmex junior) and oral hygiene instructions. The dosage will be 1/2 inch strip of paste 2x/day for 8 weeks. Subjects will apply paste to a toothbrush and brush teeth thoroughly for at least 1 minute then expectorate and rinse.

Interventions

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Self-assembling peptide (P11-4)

Prior to application, teeth are isolated by cotton rolls and gently air dried. The surface of the lesion is conditioned with a 2% sodium hypochlorite solution for 20 s and then rinse with water. Application of 35% phosphoric acid etching gel for 20 sec followed by rinsing with water-air spray for 30 sec. Drying the surface with compressed oil-free air for 60 sec. Curodont Repair is dissolve in 0.05 ml of distilled water and applied to the surface and allowed to work for about 5 min.

Participants will receive oral hygiene instructions.

Intervention Type DRUG

CPP-ACFP

Prior to application, teeth are isolated by cotton rolls and gently air dried. Application of fluoride varnish with a brush applicator on the surface of the teeth for 5 minutes. Patients is advising not to brush their teeth or chew food for at least 4 h after treatment.

Participants will receive oral hygiene instructions

Intervention Type DRUG

Resin infiltration

The validated ICON Vestibular (DMG) infiltration lesion infiltration protocol is applied. Icon Etch (DMG) etching gel containing 15% hydrochloric acid is applied for 120 seconds using an applicator. It is then removed by rinsing thoroughly with water-air spray for 30 seconds. Then follows application of pure alcohol - Icon Dry (DMG) for 30 seconds for complete drying of the lesion and additional drying compressed oil-free air for 40 sec. Application of Icon Infiltrant (DMG) using a microapplicator allows it to penetrate for 3 minutes, during which, if necessary, it is reapplied several times. Excess material is removed with dry microbrushes and followed by light curing for 40 seconds. Re-applying of the infiltrate for 1 minute, removal of excess material, light curing for 40 seconds. Participants will receive oral hygiene instructions

Intervention Type DRUG

Control Group, No Treatment

Everyday oral hygiene instructions Subjects will receive non-prescription fluoride toothpaste (1400 ppm Fluoride, Elmex junior) and oral hygiene instructions. The dosage will be 1/2 inch strip of paste 2x/day for 8 weeks. Subjects will apply paste to a toothbrush and brush teeth thoroughly for at least 1 minute then expectorate and rinse.

Intervention Type OTHER

Other Intervention Names

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Curodont Repair MI varnishTM (GC Corporation, Tokyo, Japan) RecaldentTM (CPP-ACP) Icon Vestibular (DMG; Hamburg, Germany) Home Oral Care

Eligibility Criteria

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Inclusion Criteria

* Participants in the study are children 9 to 17 years old.
* Obtained written informed consent from parents or gave-givers as well as obtained verbal informed consent from the child to participate in the study, in which procedures are explained in age-appropriate manner.
* Children, identified as positive or definitely positive through Frankl behavioral rating scale.
* Presence of at least four initial carious lesions of smooth surface (white spots) in permanent teeth that reach the inside of the enamel but are not cavitated, estimated with ICDAS system values 01 (first visible enamel change) and 02 (localized visible enamel change), Nyvad caries activity criteria (1 -active, noncavited lesion) and DIAGNOdent pen values up to 24.
* Study participants did not conduct remineralizing or topical fluorine therapy of the lesions involved up to six months prior to inclusion in the study.
* Children without a history of allergy to the administered medications

Exclusion Criteria

* Patients with general diseases or conditions associated with decreased salivation and intake of medications suppressing salivary current. Children with cognitive and behavioral disorders. The presence of a disease is confirmed by an anamnestic interview with the parent.
* Children with a history of allergy to the administered medications
* Patient with non-carious lesion such as enamel hypoplasia, or any developmental defects.
* Patient received restorations or any remineralizing agent other than the regular toothpaste during the last 6 months.
* Participant in another trial.

Minimum Eligible Age

9 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes