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Class II Dental CariesNCT06257108

Clinical Performance of Bulk-Fill Composite Using With Adhesives With or Without Chlorhexidine

A study testing Class II Cavity Restorations in people with Class II Dental Caries, run by Uşak University.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study aims to evaluate the clinical success of chlorhexidine-containing dentin bonding agent in primary molars with a 12-month follow-up. The research question is: Is there a difference between the clinical evaluation results of deciduous teeth restored with dentin bonding agents containing and not containing… Read more about this study

Who is it for?
Ages 5 to 9 yearsHealthy volunteers can take part
Conditions the study is for
Class II Dental Caries
What is being tested?
Class II Cavity Restorations
Could I receive a placebo?
No, everyone receives an active treatment
How many people
40 participants
Where
No sites listed yet
Study dates
15 Jan 2016to 15 Apr 2024
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 5 to 9 years
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • age between 5-9 years; (2) no systemic health problems (3) presence of at least one interproximal carious lesion not exceeding half of the dentin structure (D1 level) in the right and left sides of the mouth; (4) cooperation without issues (scoring 3 or 4 on the Frankl scale); and (5) patient and parent's willingness to attend follow-up appointments throughout the study.

Who cannot join

  • (1) the presence of pulp vitality with no clinical and/or radiological signs requiring endodontic treatment, (2) no previous treatment on the selected teeth, (3) Radiographically, the caries should not extend to one-third of the pulp, indicating only the need for a Class II restoration, (4) the presence of adjacent teeth mesial and distal to the selected tooth and an opposing tooth in the oral cavity, (5) the absence of physiological or pathological root resorption.

About this study

This study aims to evaluate the clinical success of chlorhexidine-containing dentin bonding agent in primary molars with a 12-month follow-up. The research question is:

Is there a difference between the clinical evaluation results of deciduous teeth restored with dentin bonding agents containing and not containing chlorhexidine?

A total of 40 patients aged 5-9 years with at least two dentin caries in primary molars were included in the study. The study involved a split-mouth design in which the standard bond and chlorhexidine-containing bond as the adhesive agents. Bulk Fill composite was used as the restorative material for the restoration of primary molars with class II cavity. The evaluation of clinical success was performed by a calibrated observer according to the FDI criteria at months 3, 6, 9, and 12 after restoration.

Read the detailed description

This study aims to evaluate the clinical success of chlorhexidine-containing dentin bonding agent in primary molars with a 12-month follow-up. A total of 40 patients aged 5-9 years with at least two dentin caries (D1 Level) in primary molars were included in the study. The study involved a split-mouth design in which Ultradent PQ1 Bond and Ultradent Peak Universal Bond were used as the bonding agents and Tetric N Ceram Bulk Fill composite was used as the restorative material for the restoration of primary molars with class II cavity. The evaluation of clinical success was performed by a calibrated observer according to the FDI criteria at months 3, 6, 9, and 12 after restoration.

Being tested
Class II Cavity Restorations
Keywords
Dentin bonding agents, chlorhexidine, antibacterial bonding, bulk-fill composite

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Class II Cavity RestorationsOther

    The study involved a split-mouth design in which Ultradent PQ1 Bond (standard bond) and Ultradent Peak Universal Bond (chlorhexidine-containing bond) were used as the bonding agents, and Tetric N Ceram Bulk Fill composite was used as the restorative material for the restoration of primary molars with class II cavity.

Study groups in NCT06257108
Study groupRoleWhat they receive
Restorative groupExperimentalClass II restorations using chlorhexidine-containing bonding agent in Primary molars in children aged between 5-9 years.
Receives: Other: Class II Cavity Restorations
Control GroupActive comparatorClass II restorations using standard bonding agent in Primary molars in children aged between 5-9 years.
Receives: Other: Class II Cavity Restorations

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Clinical evaluation

    Following the completion of the restorations, a proficient observer, unaware of the utilized material, will assess the respective tooth based on the World Dental Federation (FDI) criteria (reference). This evaluation will be conducted using a mirror and probe under illumination, with teeth being dried using air/water spray. The assigned scores will categorize the restorations as successful (Score 1), exhibiting minor defects (Score 2), showing acceptable defects (Score 3), needing repair (Score 4), or necessitating replacement (Score 5).

    Measured: The treatments will be assessed using the same method over a 12-month period with 3-month intervals.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Feb 2024
  2. Study start15 Jan 2016
  3. Primary completion15 Dec 2019
  4. Study completion15 Apr 2024

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Single group
Model description
Split-mouth design
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06257108
Sponsor's protocol ID
01.04.2015/76
Status last verified
Feb 2024
First submitted
5 Feb 2024
Last updated
23 Apr 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: there are no plans to make individual participant data (IPD) available to other researchers.

Questions about this trial

What is this clinical trial studying?

A study testing Class II Cavity Restorations in people with Class II Dental Caries, run by Uşak University.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 Apr 2025. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Clinical evaluation (time frame: The treatments will be assessed using the same method over a 12-month period with 3-month intervals.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Apr 2025.

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