Evaluating the bond strength and color stability of a new dental composite material

Evaluation of Micro -Tensile Bond Strength to Dentin and Color Stability of a New Self Adhesive Bulk-fill Resin Composite Restorative Material After Aging

Not applicable Interventional Minia University · NCT06463574

This study is testing a new dental filling material to see if it sticks better and stays looking good over time compared to a standard method for patients getting fillings in their back teeth.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment20 (estimated)
Ages25 Years to 45 Years
SexAll
SponsorMinia University Academic / other
Locations1 site (Minya)
Trial IDNCT06463574 on ClinicalTrials.gov

What this trial studies

This study aims to assess the micro-tensile bond strength of a self-adhesive resin composite to dentin, comparing its performance with and without a universal bonding system. It involves a randomized clinical trial where class I cavities in molars of twenty patients are restored with two different composite materials. Color stability and marginal discoloration are evaluated using a spectrophotometer at baseline and after 3 and 6 months. The study seeks to provide insights into the longevity and aesthetic performance of these dental restorations.

Who should consider this trial

Good fit: Ideal candidates are patients with class I lesions in their molars, good oral hygiene, and a specific tooth shade.

Not a fit: Patients with heavy bruxism, poor oral hygiene, or those with endodontically treated teeth may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved dental restoration materials that maintain their color and bond strength over time.

How similar studies have performed: Previous studies have shown varying success with similar restorative materials, but this specific approach is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with class I lesion in their maxillary or mandibular molars with a maximum of approximately 2 mm final cavity depth.
* Patients with teeth shade A2 according to Vitapan classical shade guide.
* Patients with an acceptable oral hygiene level.
* Patients keen to regularly attend the follow up visits.

Exclusion Criteria:

* Patients with heavy bruxism or traumatic occlusion.
* Patients with poor oral hygiene or active periodontal disease.
* Patients with exposed or endodontically treated teeth.
* Patients participated in a clinical trial within 6 months before beginning of this trial.
* Patients who decline to be involved in the study or sign the written consent.
* Patients unable to return for the follow up visits.

Where this trial is running

Minya

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 Tooth DecayColor stabilityAgingSelf-adhesive
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.