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Recruiting NCT06500845

NCT06500845 Assessment of Marginal and Internal Fit of High Performance Polymer PEEK Endocrown Using Two Preparation Designs

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Clinical Trial Summary
NCT ID NCT06500845
Status Recruiting
Phase
Sponsor Cairo University
Condition Endodontically Treated Molar
Study Type INTERVENTIONAL
Enrollment 24 participants
Start Date 2025-09-17
Primary Completion 2026-04-01

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age 50 Years
Study Type INTERVENTIONAL
Interventions
Bevel marginal design endocrown for endodontically treated teethButt marginal design endocrown for endodontically treated teeth

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 24 participants in total. It began in 2025-09-17 with a primary completion date of 2026-04-01.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

First, Participants in this study will be recruited according to inclusion criteria. Proper examination for the participants (clinically and radiographically). Preparation for endodontically treated molar for receiving high performance polymer endocrown. Checking and verification for the restoration (trying) and assessment of marginal and internal fit by replica technique. Then final cementation of endocrown.

Eligibility Criteria

Inclusion Criteria: 1. Patient age range from 18 years -50 years old. They should be able to read and write so they can sign the informed consent. 2. Patient should have a good physical and psychologically state to be able to withstand the steps of the restoration procedure. 3. Have a molar with root canal filling with no active periodontal or apical involvement. 4. Patients having root canal treatment teeth indicated for endocrown treatment with 3 or 4 axial walls remaining. 5. Patient with axial wall length not less than 3 mm and not more than 5 mm. 6. Patient should have good oral hygiene and motivation. Exclusion Criteria: 1. Patient with periodontal or apical involvement or improper root canal treatment. 2. Severe loss of the tooth structure in which the amount of the remaining tooth structure is less than 2mm. 3. Patient with poor oral hygiene or with occlusal instability 4. Patient with improper physical or psychological state. 5. Patient not pregnant or lactating.

Contact & Investigator

Central Contact

Fatema K. Mansour, Assist Lect.

✉ fatemakhaledmansour@gmail.com

📞 01142212367

Principal Investigator

Fatema K. Mansour

PRINCIPAL INVESTIGATOR

Cairo University

Frequently Asked Questions

Who can join the NCT06500845 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, up to 50 Years, studying Endodontically Treated Molar. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT06500845 currently recruiting?

Yes, NCT06500845 is actively recruiting participants. Contact the research team at fatemakhaledmansour@gmail.com for enrollment information.

Where is the NCT06500845 trial being conducted?

This trial is being conducted at Cairo, Egypt.

Who is sponsoring the NCT06500845 clinical trial?

NCT06500845 is sponsored by Cairo University. The principal investigator is Fatema K. Mansour at Cairo University. The trial plans to enroll 24 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology