Conservative Overlay Restoration vs Conventional Crown for Endodontically Treated Back Teeth

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized trial compares two restoration methods for posterior teeth that have already undergone root canal treatment. One group receives a conservative overlay with a fiber-reinforced composite core, while the other group receives a traditional fiber post, composite build-up, and a full-coverage lithium disilicate crown. Fifty participants aged 20–50 at Cairo University will be randomly assigned to either method and followed for six months to assess tooth integrity as the primary outcome, with secondary measures including margin quality and discoloration. The study aims to determine if the less invasive overlay can provide similar or better structural performance compared with the conventional crown approach in posterior teeth. The trial takes place at the Faculty of Dentistry, Cairo University, under the lead sponsorship of Moataz Mostafa Anwar.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Patients 20-50 years of age
2. Root canal treated posterior teeth
3. Good C/R ratio
4. Good quality root canal treatment (adequate working length, absence of post operative complications or pain and adequate follow up period)
5. Presence of adequate labial and palatal wall thickness
6. Natural antagonist teeth
7. Natural adjacent teeth

Exclusion Criteria:

1. Improper root canal treatment
2. Post operative complications.
3. Cracked teeth
4. Parafunctional habits (bruxism)
5. Wear pattern
6. Pregnancy for females
7. Opposing prosthetics
8. Presence of periodontal disease
9. Severely destructed posterior teeth

Where it's running

• Faculty of Dentistry, Cairo University
  Cairo, Manial, Egypt Recruiting

Study contacts

• Study coordinator: Moataz M Anwar, MSC
• Email: moataz.mostafa@dentistry.cu.edu.eg
• Phone: +201000395041

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Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.