The Chromatic Evaluation of Universal Nano-hybrid Composites


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The goal of this clinical trial is to evaluate the preheating effect of a group shade resin-based composite. The evaluation will be done on Ryge criteria. The main question it aims to answer is if there is a difference in time between preheated and non-heated resin-based composites in the oral cavity. Participants will be given treatment for cavities class 2 on premolars and molar and will come for recall at 24h, 1 week, 6 weeks, 3 months, 6 months, and 1 year.

Targeted Conditions

Study Overview

Start Date
January 23, 2024
Completion Date
March 1, 2025
Date Posted
February 9, 2024
Accepts Healthy Volunteers?


Full Address
Cluj-Napoca, Cluj 400352, Romania


Minimum Age (years)
Maximum Age (years)
Eligibility 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

Study Contact Info

Study Contact Name
Corina Prodan, dr.
Study Contact Email
Study Contact Phone

Contact Listings Owner Form

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Other Details

FDA Regulated Drug?
FDA Regulated Device?
Detailed Description
The participants in the study will be adult patients (over 18 years old). Each patient will receive 2 restorations on premolars or molars, class 2, and medium cavities. The restorations will be performed under isolation with rubber-dam, and restored with preheated or not-heated resin-based composite. The occlusion will be tested and they will be notified to come for recall in order to make the evaluation of the restorations.
NCTid (if applicable)