An interventional study of bioactive composite and posterior composite in Tooth Disease, sponsored by Hacettepe University. Active, not recruiting at 1 site in Turkey (Türkiye). Open to participants aged 18 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-12-09.
Sponsored by Hacettepe University · Not applicable, Interventional, and Treatment
The clinical performance of a bioactive composite and a posterior resin composite in class II restorations will be evaluated and compared. After recruiting participants with at least 2 approximal caries lesions, all restorations will be placed by a single clinician. All caries lesions will be removed before restoring. Cavities will be divided into two groups: a bioactive composite [Cention N, Ivoclar Vivadent, Schaan, Liechtenstein (CN)] and a posterior resin composite [G-ænial Posterior (GC, Tokyo, Japan) (GP)] All restorative procedures will be conducted according to manufacturers' instructions. Restorations will be scored using FDI criteria after a week (baseline) 6, 12, 24, 36 and 48 months. Descriptive statistics will be performed using chi-square tests.
79 studies on the registry are indexed under Tooth Diseases; 11 are open to participants now.
This study's enrollment of 31 is below the median of 49 across 63 interventional studies indexed under Tooth Diseases.
Browse Tooth Diseases studies →Hacettepe University is the lead sponsor of 1,007 studies on the registry; 214 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Cention N, Ivoclar Vivadent, Schaan, Liechtenstein (CN)
Device: bioactive composite
G-ænial Posterior (GC, Tokyo, Japan) (GP)
Device: posterior composite
Cention N
G-ænial Posterior
Clinical performances of different restorative systems according to FDI criteria
Two year results according to FDI criteria
Time frame: two years
Plan to share: No
No publications or documents are linked to this record.
Ran from Jun 2021 to primary completion in Sep 2021, 3 months.
Of 32 non-industry interventional studies with no phase under Tooth Diseases, half reached primary completion within 8 months of starting (the median), counting those still running; a quarter within 3 and three quarters within 18. This study's 3 months is below that.
Counting every sponsor, half of 39 studies reached it within 12 months; a quarter within 4 and three quarters within 42.
How these figures are worked out, and which studies are left out of them.
This study is active, not recruiting, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.