- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04320576
Clinical Comparison of Bulk-fill Restorative and Nano-fill Resin Composite
Long-term Clinical Comparison of Bulk-fill and Nano-fill Composite Restorations
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- a need for at least two but not more than four posterior tooth-colored restorations
- the presence of teeth to be restored in occlusion
- teeth that were symptomless and vital
- a normal periodontal status
- a good likelihood of recall availability.
Exclusion Criteria:
- partly erupted teeth
- absence of adjacent and antagonist teeth
- poor periodontal status
- adverse medical history
- potential behavioral problems
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Bulk-fill resin composite
Bulk-fill resin composite will be places with bulk technique.
|
Bulk-fill resin composite (bulk technique)
|
ACTIVE_COMPARATOR: Nano-fill resin composite
Nano-fill resin composite will be placed with 2 mm thickness layering technique.
|
Nano-fill resin composite (layering technique)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Marginal adaptation
Time Frame: From baseline to 8 year the change of restorations will be evaluated
|
Observers will evaluate the restorations will be performed using the modified United State Public Health Service criteria regarding marginal adaptation. Marginal adaptation will evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches will be performed . A score means the higher score of clinical acceptability while C and D score means that the restoration has failed and needs to be replaced. Alpha 1: Harmonious outline Alpha 2: Marginal gap (max 100μ) with discoloration (removable) Bravo: Marginal gap (> 100μ) with discoloration (unremovable) Charlie: The restoration is fractured or missed. |
From baseline to 8 year the change of restorations will be evaluated
|
Marginal discoloration
Time Frame: From baseline to 8 year the change of restorations will be evaluated
|
Observers will evaluate the restorations will be performed using the modified United State Public Health Service criteria regarding marginal discoloration. Marginal discoloration will be evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches will be performed . A score means the higher score of clinical acceptability while C score means that the restoration has failed and needs to be replaced. Alpha: No discoloration anywhere along the margin between the restoration and the adjacent tooth. Bravo: Slight discoloration along the margin between the restoration and the adjacent tooth. Charlie: The discoloration penetrated along the margin of the restorative material in a pulpal direction. |
From baseline to 8 year the change of restorations will be evaluated
|
Retention
Time Frame: From baseline to 8 year the change of restorations will be evaluated
|
Observers will evaluate the restorations will be performed using the modified United State Public Health Service criteria regarding retention rate. Retention rate will be evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C and D score means that the restoration has failed and needs to be replaced. Alpha 1:Clinically excellent Alpha 2: Clinically good with slight deviations from ideal performance, correction possible without damage of tooth or restoration Bravo: Clinically sufficient with few defects, corrections or repair of the restoration possible Charlie: Restoration is partially missed Delta: Restoration is totally missed |
From baseline to 8 year the change of restorations will be evaluated
|
Anatomic form
Time Frame: From baseline to 8 year the change of restorations will be evaluated
|
Observers will evaluate the restorations will be performed using the modified United State Public Health Service criteria regarding anatomic form. Anatomic form will be evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C score means that the restoration has failed and needs to be replaced. Alpha 1: Continuous with existing anatomical form Alpha 2: Slightly discontinuous due to some chipping on the proximal ridge Bravo: Discontinuous with existing anatomical form due to material loss but proximal contact still present Charlie: Proximal contact is lost with ridge fracture. |
From baseline to 8 year the change of restorations will be evaluated
|
Color change
Time Frame: From baseline to 8 year the change of restorations will be evaluated
|
Observers will evaluate the restorations will be performed using the modified United State Public Health Service criteria regarding color change.
Color changes will be evaluated by 2 independent clinicians.
Visual inspection with a mirror at 18 inches was performed .
A score means the higher score of clinical acceptability while C score means that the restoration has failedand needs to be replaced.
Alpha: The restoration matches the adjacent tooth structure in color and translucency.
Bravo: Light mismatch in color, shade or translucency between the restoration and the adjacent tooth.
Charlie: The mismatch in color and translucency is outside the acceptable range of tooth color and translucency.
|
From baseline to 8 year the change of restorations will be evaluated
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 04(KA-15004)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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