RecruitingNot Applicable

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

Egypt24 participantsStarted 2025-09-17

Plain-language 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.

Who can participate

Age range18 Years – 50 Years

SexALL

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Inclusion criteria

✓. Patient age range from 18 years -50 years old. They should be able to read and write so they can sign the informed consent.
✓. Patient should have a good physical and psychologically state to be able to withstand the steps of the restoration procedure.
✓. Have a molar with root canal filling with no active periodontal or apical involvement.
✓. Patients having root canal treatment teeth indicated for endocrown treatment with 3 or 4 axial walls remaining.
✓. Patient with axial wall length not less than 3 mm and not more than 5 mm.
✓. Patient should have good oral hygiene and motivation.

Exclusion criteria

✕. Patient with periodontal or apical involvement or improper root canal treatment.
✕. Severe loss of the tooth structure in which the amount of the remaining tooth structure is less than 2mm.
✕. Patient with poor oral hygiene or with occlusal instability
✕. Patient with improper physical or psychological state.
✕. Patient not pregnant or lactating.

What they're measuring

Marginal fit

Timeframe: 2 weeks

Trial details

NCT IDNCT06500845

SponsorCairo University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-04-01

Contact for this trial

Fatema K. Mansour, Assist Lect.

01142212367 fatemakhaledmansour@gmail.com

View on ClinicalTrials.gov More Endodontically Treated Molar trials