Evaluating the effect of preheated resin-based composites for dental restorations

The Chromatic Evaluation of Universal Nano-hybrid Composites

Not applicable Interventional Iuliu Hatieganu University of Medicine and Pharmacy · NCT06251921

This study is testing if using preheated materials for dental fillings helps them last longer and work better for adults getting restorations on their teeth.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years to 90 Years
SexAll
SponsorIuliu Hatieganu University of Medicine and Pharmacy Academic / other
Locations1 site (Cluj-Napoca, Cluj)
Trial IDNCT06251921 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to assess the impact of preheating on resin-based composites used for dental restorations in adult patients. Participants will receive two class 2 restorations on premolars or molars, with one restoration using preheated composite and the other using non-heated composite. The evaluation will be conducted based on Ryge criteria, with follow-up assessments scheduled at various intervals to monitor the restorations' performance over time. The study focuses on understanding whether preheating affects the longevity and effectiveness of dental restorations.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 with healthy permanent dentition and medium-depth cavities on premolars or molars.

Not a fit: Patients with temporary dentition, poor oral hygiene, or those who smoke or have an unhealthy diet may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved dental restoration techniques, enhancing patient outcomes and satisfaction.

How similar studies have performed: While the specific approach of preheating resin-based composites is less common, similar studies have shown promising results in improving dental restoration outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Permanent dentition
* The OHI index = 0
* Non-smoking patient
* The patient has a healthy diet
* The patient has parafunction
* The antagonist tooth is healthy / with direct restorations
* The caries are situated on proximal surfaces on premolars, molars
* The cavities have a medium depth

Exclusion Criteria:

* Temporary dentition
* The OHI index \>= 1
* The patient is smoker
* The patient has an unhealthy diet
* The patient suffers from bruxism, clenching
* The antagonist tooth has an indirect restoration
* The caries are situated on canines or incisors
* The cavities have a deep or shallow depth

Where this trial is running

Cluj-Napoca, Cluj

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Healthy Lifestyleresin-based compositecolorpre-heated
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.